From paul@suede.sw.oz.au  Tue Mar  4 01:01:33 1997
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From: paul@suede.sw.oz.au (Paul Antoine)
Message-Id: <199703040001.LAA15665@suede.sw.oz.au>
Subject: Re: VAXlinux and Linux/MIPS
To: linux-mips (Linux MIPS mailing list)
Date: Tue, 4 Mar 1997 11:01:10 +1100 (EST)
Organization: Softway Pty Ltd
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Hi Karl,

> Myself and Chris Nott are the port maintainers of the Linux/VAX
> port. I thought I may send you a quick mail to discuss whether you
> are aware of any similarities between the DECstations and the
> VAXstations... Saves us re-inventing the wheel...

Indeed.  It would seem logical that much of the VAXstation stuff be
similar to the DECstations... though I'm not sure of the geneology of
the two product lines.  Certainly the 2100 and 3100 DECstations look
like a VAX derivative, as their serial chips are DZ11 (I'm not sure if
that's the right number) based.

> We too have run into the wall called lack of documentation, and a
> lot of work has come from the NetBSD and 4.4BSD implemtations.
 
So you've done a lot of reading of code... pity no one created
documentation as they went.  I beleive that some of the folks working
on that had access to doco from DEC at the time too.

> Specifically, I have heard the consoles are very similar, do you
> know of where I can get some documentation? i.e. NetBSD only support
> serial consoles... (easy.. uses protected registers). and the ROM
> routines only work in physical mode. The only vague implemtation I
> have is from 4.4BSD , with the Q-BUS console that looks roughly
> similar..

Hmmm... I assume you mean the graphics consoles of the two product
lines.  On the personal DECstations these are built in to the
motherboard, however there are plug-in Turbo-channel graphics cards
too.  I assume your graphics consoles are on cards that plug into the
Q-BUS?
 
Have you heard of a DECServer 5400 machine? A number of Linux/MIPS
folks have these which purport to having a MIPS CPU and a Q-BUS.

> Hopefully we'll be able to assist each other in the ports!

Let's try to!

Regards,
Paul
_______________________________________________________________________________
Paul M. Antoine, 				        Net: paul@sw.oz.au
Softway Pty Ltd						WWW: www.softway.com.au
PO Box 305, Strawberry Hills, NSW 2012, Australia       Tel: +61 2 9698 2322
Level 2, 79 Myrtle St, Chippendale, NSW 2008, Australia Fax: +61 2 9699 9174

"It is the lack of acceptance of diversity which threatens to 
 destroy society, NOT the free expression of it." - Me.

From imp@village.org  Thu Mar  6 17:07:15 1997
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To: linux-mips
Subject: Re: VAXlinux and Linux/MIPS 
In-Reply-To: Your message of "Tue, 04 Mar 1997 11:01:10 +1100."
		<199703040001.LAA15665@suede.sw.oz.au> 
References: <199703040001.LAA15665@suede.sw.oz.au>  
Date: Tue, 04 Mar 1997 21:21:56 -0700
From: Warner Losh <imp@village.org>
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In message <199703040001.LAA15665@suede.sw.oz.au> Paul Antoine writes:
: Indeed.  It would seem logical that much of the VAXstation stuff be
: similar to the DECstations... though I'm not sure of the geneology of
: the two product lines.  Certainly the 2100 and 3100 DECstations look
: like a VAX derivative, as their serial chips are DZ11 (I'm not sure if
: that's the right number) based.

You should take a look at the port-vax and port-pmax archives at
ftp.netbsd.org.  They have a complete family tree of the two product
lines.  It turns out that some of them are actually very close to each
other in terms of hardware, once you factor out VAX vs MIPS issues.
Sadly, some of this hardware is the same hardware that is under
documented and over requested in this group.

: > We too have run into the wall called lack of documentation, and a
: > lot of work has come from the NetBSD and 4.4BSD implemtations.
:  
: So you've done a lot of reading of code... pity no one created
: documentation as they went.  I beleive that some of the folks working
: on that had access to doco from DEC at the time too.

That's my impression as well.  The NetBSD archives talk a lot about
this hardware manual, or that hardware manual.  Really does help to
have them.  I recently got a whole boatload of manuals and data sheets
from some folks I was doing some MIPS work for (potentially).  If I'd
had it when I started working on the rPC44 stuff, I think I wouldn't
have spun my wheels so much.

Warner

From renato@mips.it  Fri Mar  7 13:46:30 1997
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From: "Renato" <renato@mips.it>
To: <linux@waldorf-gmbh.de>
Subject: LINUX on MIPS
Date: Fri, 7 Mar 1997 10:24:02 +0100
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Hi, I won't take up much of your time , I'm looking for a port of linux on
a MIPS  R5000 
is there a project for this processor to be able to run linux?
All suggestion you could send me are appreciated , I'm interested in
setting up a machine with 
a MIPS R5000 and linux and if you want a mirror in Italy I'm available.
Thank you for your time .

O.Renato

From nagy_l@vaxst2.tii.matav.hu  Fri Mar  7 17:18:12 1997
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Date: Fri, 7 Mar 1997 17:16:38 +0100
From: Lajos Nagy <nagy_l@vaxst2.tii.matav.hu>
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Hello!

I have a SGI Indygo computer with R3000 Mips processor.

(Irix 4.0.1 :(  )

How to install the Linux my Sgi computer ???

Thanks in advance!

Bye!Lajos

From ryan@ravage.labs.gmu.edu  Sat Mar  8 21:42:14 1997
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Date: Sat, 8 Mar 1997 15:42:01 -0500 (EST)
From: Ryan Rafferty <ryan@ravage.labs.gmu.edu>
To: linux-mips
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subscribe

Is mise le meas,
Ryan Rafferty

From heilmann@clri6a.gsi.de  Mon Mar 10 09:44:56 1997
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-- 
Hello,

GSI is a medium sized high energy physics lab in Germany running a heavy
ion accelerators. We have around 300 scientists staff, and around twice
the number of scientists working on site.

There are several 10s of DEC-Stations around, many running VMS and
several ULTRIX, the latter being outphased this summer. As I am working
as UNIX-Sysadmin with solid Intel-Linux experience here, people asked me
about the possibility to use their DEC-Stations as somewhat intelligent
X-Terminals under Linux. However, as far as I understand, the kernel is
running more or less stable, but there is nothing more in software than
network code and a C development suite. Is this correct? Is there a way
we can help the project to make steps ahead (although we really DON'T
HAVE MUCH MANPOWER).

With best regards,

happy linuxing

Johannes Heilmann



+-----------------------+--------------------------------+
| Dr. Johannes Heilmann |  email: J.Heilmann@gsi.de      |         __o
| DV & EE, GSI          |  fax:   Germany-6159-712986    |       _
\<,_    
| Planckstrasse 1       |  GSI:   //www.gsi.de/          |      (*)/ (*)
| D-64291 Darmstadt     |  own:   //www.gsi.de/~heilmann
|~~~~~~~~~~~~~~~~~~~
+-----------------------+--------------------------------+

From engel@unix-ag.uni-siegen.de  Mon Mar 10 10:06:43 1997
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From: Michael Engel <engel@unix-ag.uni-siegen.de>
Message-Id: <199703100905.KAA16349@vespa.unix-ag.uni-siegen.de>
Subject: Re: linux on DEC-Stations
To: linux-mips
Date: Mon, 10 Mar 1997 10:05:13 +0100 (MET)
In-Reply-To: <3323CA01.41C6@clri6a.gsi.de> from "Johannes Heilmann" at Mar 10, 97 09:45:08 am
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Hi,
 
> There are several 10s of DEC-Stations around, many running VMS and
> several ULTRIX, the latter being outphased this summer. 

Be careful not to confuse DECstations (MIPS based) with VAXstations 
(eehm ... VAX based, right ? ;-)). If you have machines running VMS,
these are either VAXstations or Alphas. The only operating system
that was available for the DECstations is Ultrix (well, and a pre-release
of OSF/1).

A port of Linux to VAXstations (2000/3100) has also been started, but is
in a _very_ early stage. I can dig out the relevant URL if you like.

> As I am working
> as UNIX-Sysadmin with solid Intel-Linux experience here, people asked me
> about the possibility to use their DEC-Stations as somewhat intelligent
> X-Terminals under Linux. 
> However, as far as I understand, the kernel is
> running more or less stable, but there is nothing more in software than
> network code and a C development suite. Is this correct? 

Not quite. The kernel is still far from completion, so don't hold your
breath. Your only option now would be running OpenBSD or NetBSD - we 
converted a pool of DECstations here at Siegen Univ. to OpenBSD a month
or so ago. Netbooting etc. works fine, so you can also run diskless 
workstations.

> Is there a way
> we can help the project to make steps ahead (although we really DON'T
> HAVE MUCH MANPOWER).

Well, if you could donate a DS2100/3100 or 5000/200 (that's the machines we 
currently have hardware documentation for), _that_ would be nice...

Currently it seems that only two people (Paul Antoine and me) are more or 
less actively working on the DECstation port, so every helping hand would 
be a plus !

regards,
	Michael Engel	(engel@unix-ag.uni-siegen.de)

From hkoerfg1@ford.com  Mon Mar 10 11:56:07 1997
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From: "Harald Koerfgen" <hkoerfg1@ford.com>
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Date: Mon, 10 Mar 1997 11:55:43 +0100
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[snip]
> 
> Currently it seems that only two people (Paul Antoine and me) are
> more or less actively working on the DECstation port, so every
> helping hand would be a plus !
> 

Well, add me to the list if you like. It might take a while until a am 
able to do useful work, but i am working on it...

> regards,
>  Michael Engel	(engel@unix-ag.uni-siegen.de)

-- 
regards,
Harald Koerfgen
harald.koerfgen@netcologne.de 

From castillo@dynamic.upr.clu.edu  Mon Mar 10 14:57:25 1997
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Subject: One question...
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Can I install Linux on a Indy R4400 or 4000?
I see nothing about SGI system? are there supported or not...?
Thanks in advance...

From ralf@Julia.DE  Mon Mar 10 16:03:47 1997
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	Mon, 10 Mar 1997 16:00:02 +0100
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Subject: Re: One question...
To: linux-mips
Date: Mon, 10 Mar 1997 15:59:13 +0100 (MET)
Cc: castillo@dynamic.upr.clu.edu
In-Reply-To: <33241318.63FEF0FF@dynamic.upr.clu.edu> from "Heriberto Castillo" at Mar 10, 97 09:56:40 am
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Hi,

> Can I install Linux on a Indy R4400 or 4000?
> I see nothing about SGI system? are there supported or not...?

The SGI port was stalled since end of last August but it's now
continuing.  First target will be R4600 Indys; it might work for
R4000/R4400 machines, too ... or not.  Stay tuned on this channel
for more news.

  Ralf

From ralf@alles.intern.julia.de  Tue Mar 11 16:42:38 1997
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From: ralf@julia.de (Ralf Baechle)
To: linux-mips
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This is a series of test postings to find the cause of the mail loss that
some people on this list are experiencing.  If you should some know that
mail to you was definately lost, for example because you received test
posting #1 and #3 but not #2 or because you receive the list on multiple
accounts please let us (Luc.Beurton@fnet.fr, ralf@julia.de) know -- thanks.

Test posting #1 sent at Tue Mar 11 16:40:29 MET 1997.

  Ralf

From ralf@alles.intern.julia.de  Tue Mar 11 16:49:11 1997
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From: ralf@julia.de (Ralf Baechle)
To: linux-mips
Date: Tue Mar 11 16:47:07 MET 1997
Subject: Testing the list #2
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This is a series of test postings to find the cause of the mail loss that
some people on this list are experiencing.  If you should some know that
mail to you was definately lost, for example because you received test
posting #1 and #3 but not #2 or because you receive the list on multiple
accounts please let us (Luc.Beurton@fnet.fr, ralf@julia.de) know -- thanks.

Test posting #2 sent at Tue Mar 11 16:47:07 MET 1997.

  Ralf

From jctihon@ucdavis.edu  Wed Mar 12 07:27:34 1997
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Date: Tue, 11 Mar 1997 22:27:28 -0800 (PST)
From: Jack Tihon <jctihon@ucdavis.edu>
X-Sender: ez040407@rocky.ucdavis.edu
To: linux-mips
Subject: Re: MIPS Magnum 4000
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Hello,
	I have Magnum 4000 and have a few hardware configuration questions
(since it didn't come with any documentation).
	Which slots do I place my 2 parity SIMMs in?
	What video cards can I use? (will a Trident isa + 256k dram work?)
	What hard drive controllers can I use (isa,mfm,rll)?
	What should I see if I've successfully booted?
	What does the LED on the m/b do? (I get a F,4,5 on boot

	Thanks for all/any help,

-jt <jctihon@.ucdavis.edu>
	<a href="http://wwwcsif.cs.ucdavis.edu/~tihon/"> . </a>

From ralf@Julia.DE  Wed Mar 12 15:11:29 1997
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Subject: Re: Testing the list #2
To: khp@dolphinics.no (Kai Harrekilde-Petersen)
Date: Wed, 12 Mar 1997 15:08:21 +0100 (MET)
Cc: linux-mips
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Hi,

> Ralf Baechle writes:
> > This is a series of test postings [...]
> > test
> > posting #1 and #3 but not #2
> 
> Hmmm ... I've just seen #1 & #2.  It that to be expected?

Yes, that's ok, because I only sent two mails before I received a mail
from Luc Beurton that he found a problem.  Hopefully the list now works
again as it should,

Sendmail be with you,

  Ralf

From tkuo@eos.ncsu.edu  Wed Mar 12 18:31:48 1997
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Subject: Linux/MIPS how to install
To: linux-mips
Date: Wed, 12 Mar 1997 12:31:40 -0500 (EST)
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We have a DECstation 5000/25 and would like to install
linux on it. We obtained the latest linux mips (2.1.1),
but what next?  Please advise how to make boot disk out
of the distribution from ftp.softway.com. Thanks,

Ted

From rraffer1@osf1.gmu.edu  Wed Mar 12 18:58:09 1997
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Date: Wed, 12 Mar 1997 12:58:05 -0500 (EST)
From: Ryan Rafferty <rraffer1@osf1.gmu.edu>
To: linux-mips
Subject: Re: MIPS Magnum 4000
In-Reply-To: <Pine.GSO.3.95.970311221700.15456A-100000@rocky.ucdavis.edu>
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On Tue, 11 Mar 1997, Jack Tihon wrote:

> Hello,
> 	I have Magnum 4000 and have a few hardware configuration questions
> (since it didn't come with any documentation).
> 	Which slots do I place my 2 parity SIMMs in?

You need 4 parity SIMMs, unfortunately--the MIPS R4000PC chip has a
128-bit data path (compared to the Pentium's 64-bit data path) and since a
single 72-pin SIMM uses 32 bits of data (and with parity, an extra four
bits for ECC) 128 div 32 is four.

> 	What video cards can I use? (will a Trident isa + 256k dram work?)

You need a special video card for the Magnum.  Regular ISA or EISA cards
WILL NOT WORK.  The video card is a 2meg VRAM frame-buffer video card
based on the INMOS g364 chipset and has a fixed frequency output of
1280x1024x256 at 60 herz.  Most newer multisync monitors can handle that.

Unfortunately, however, the video card is extremely expensive (quoted
price is $315) and is availible from only one place--Carrera Computers.

> 	What hard drive controllers can I use (isa,mfm,rll)?

The Magnum has an onboard SCSI controller (NCR 53C90 chipset) and the ARC
console only knows how to use the onboard SCSI, so you will not be able to
use IDE hard disks to boot Windows NT.  Linux/MIPS may or may not have
support some time in the future.

> 	What should I see if I've successfully booted?
> 	What does the LED on the m/b do? (I get a F,4,5 on boot

When the LED stops at "5", it means that there's a memory problem.  You
need to install four true-parity SIMMs in the slanted slots under the
drive bays.

> 	Thanks for all/any help,

Good luck--Lord knows it's been a battle these last few months for me to
get my MIPS to a usable state.  But now it runs NT like a dream, and I'm
working on getting Linux/MIPS to run on it (I've hit a stumbling block for
the time being).

> -jt <jctihon@.ucdavis.edu>
> 	<a href="http://wwwcsif.cs.ucdavis.edu/~tihon/"> . </a>
> 
> 

Ryan

Read my MIPS:  No new VAXES!

From ralf@Julia.DE  Wed Mar 12 19:09:39 1997
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	  id TAA26998; Wed, 12 Mar 1997 19:06:24 +0100
Message-Id: <199703121806.TAA26998@kernel.panic.julia.de>
Subject: Re: MIPS Magnum 4000
To: linux-mips
Date: Wed, 12 Mar 1997 19:06:24 +0100 (MET)
Cc: rraffer1@osf1.gmu.edu
In-Reply-To: <Pine.OSF.3.95q.970312124956.15355A-100000@osf1.gmu.edu> from "Ryan Rafferty" at Mar 12, 97 12:58:05 pm
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Hi,

> > 	I have Magnum 4000 and have a few hardware configuration questions
> > (since it didn't come with any documentation).
> > 	Which slots do I place my 2 parity SIMMs in?
> 
> You need 4 parity SIMMs, unfortunately--the MIPS R4000PC chip has a
> 128-bit data path (compared to the Pentium's 64-bit data path) and since a
> single 72-pin SIMM uses 32 bits of data (and with parity, an extra four
> bits for ECC) 128 div 32 is four.

Small correction: the R4000/R4400PC have a 64bit data path "SysAD bus".
The 128 bit memory interface of the board is interleaved just similar like
some PCs do for better performance.

The SC and MC versions of the CPU have the SysAD bus and an _additional_
128 bit wide cache bus that makes these machines so much faster.

The memory requirements is however the same for all these Magnum types.

> > 	What video cards can I use? (will a Trident isa + 256k dram work?)
> 
> You need a special video card for the Magnum.  Regular ISA or EISA cards
> WILL NOT WORK.  The video card is a 2meg VRAM frame-buffer video card
> based on the INMOS g364 chipset and has a fixed frequency output of
> 1280x1024x256 at 60 herz.  Most newer multisync monitors can handle that.
> 
> Unfortunately, however, the video card is extremely expensive (quoted
> price is $315) and is availible from only one place--Carrera Computers.
> 
> > 	What hard drive controllers can I use (isa,mfm,rll)?
> 
> The Magnum has an onboard SCSI controller (NCR 53C90 chipset) and the ARC
> console only knows how to use the onboard SCSI, so you will not be able to
> use IDE hard disks to boot Windows NT.  Linux/MIPS may or may not have
> support some time in the future.

You can boot Linux/MIPS from a floppy (or SCSI if available) and then
run it from IDE disks.

> > 	What should I see if I've successfully booted?
> > 	What does the LED on the m/b do? (I get a F,4,5 on boot
> 
> When the LED stops at "5", it means that there's a memory problem.  You
> need to install four true-parity SIMMs in the slanted slots under the
> drive bays.
> 
> > 	Thanks for all/any help,
> 
> Good luck--Lord knows it's been a battle these last few months for me to
> get my MIPS to a usable state.  But now it runs NT like a dream, and I'm
                                                            ^^^^^
A typo, should spell nightmare ;-)

  Ralf

-- 
74 a3 53 cc 0b 19

From imp@village.org  Wed Mar 12 22:27:17 1997
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To: linux-mips
Subject: Re: MIPS Magnum 4000 
Cc: rraffer1@osf1.gmu.edu
In-Reply-To: Your message of "Wed, 12 Mar 1997 19:06:24 +0100."
		<199703121806.TAA26998@kernel.panic.julia.de> 
References: <199703121806.TAA26998@kernel.panic.julia.de>  
Date: Wed, 12 Mar 1997 14:27:02 -0700
From: Warner Losh <imp@village.org>
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: > > 	What video cards can I use? (will a Trident isa + 256k dram work?)
: > 
: > You need a special video card for the Magnum.  Regular ISA or EISA cards
: > WILL NOT WORK.  The video card is a 2meg VRAM frame-buffer video card
: > based on the INMOS g364 chipset and has a fixed frequency output of
: > 1280x1024x256 at 60 herz.  Most newer multisync monitors can handle that.
: > 
: > Unfortunately, however, the video card is extremely expensive (quoted
: > price is $315) and is availible from only one place--Carrera Computers.

I have a line on one of these machine, sans video card.  Can I take a
standard PC video card and slap it in there and have it work?

By work, I mean the following:  will the BIOS ignore the thing until
it is booted (via a serial console, say), when the OS can then take
over and dittle the video card in a standard way.  A $35 ISA card is a
whole lot cheaper than the $315 Carrara one, no?

Or am I dreaming?

Warner

From rraffer1@osf1.gmu.edu  Wed Mar 12 22:58:15 1997
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Date: Wed, 12 Mar 1997 16:58:12 -0500 (EST)
From: Ryan Rafferty <rraffer1@osf1.gmu.edu>
To: linux-mips
Subject: Re: MIPS Magnum 4000 
In-Reply-To: <E0w4vY6-00050O-00@rover.village.org>
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On Wed, 12 Mar 1997, Warner Losh wrote:

> I have a line on one of these machine, sans video card.  Can I take a
> standard PC video card and slap it in there and have it work?

Nope.

> By work, I mean the following:  will the BIOS ignore the thing until
> it is booted (via a serial console, say), when the OS can then take
> over and dittle the video card in a standard way.  A $35 ISA card is a
> whole lot cheaper than the $315 Carrara one, no?

Sure it is.  But it won't work.  The MIPS Magnum console doesn't know how
to use normal ISA video cards, and can't/won't send its display to them.
In fact, it can't even initialize them.  That's the sad fact of the
matter.  The ARC console only knows how to deal with g364 graphics.  If
you want, you can get the Risc/OS console loaded on the Magnum somehow,
and it will use the serial port as a console.  But AFAIK only Risc/OS can
be loaded from there so of course that rules out Windows NT or Linux.

Ryan Rafferty
Read my MIPS:  No new VAXES!

From ralf@Julia.DE  Wed Mar 12 23:18:40 1997
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	  id XAA27270 for linux-mips@fnet.fr; Wed, 12 Mar 1997 23:15:43 +0100
Message-Id: <199703122215.XAA27270@kernel.panic.julia.de>
Subject: Re: MIPS Magnum 4000
To: linux-mips
Date: Wed, 12 Mar 1997 23:15:42 +0100 (MET)
In-Reply-To: <Pine.OSF.3.95q.970312165454.32229A-100000@osf1.gmu.edu> from "Ryan Rafferty" at Mar 12, 97 04:58:12 pm
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Hi,

> > By work, I mean the following:  will the BIOS ignore the thing until
> > it is booted (via a serial console, say), when the OS can then take
> > over and dittle the video card in a standard way.  A $35 ISA card is a
> > whole lot cheaper than the $315 Carrara one, no?
> 
> Sure it is.  But it won't work.  The MIPS Magnum console doesn't know how
> to use normal ISA video cards, and can't/won't send its display to them.
> In fact, it can't even initialize them.  That's the sad fact of the
> matter.  The ARC console only knows how to deal with g364 graphics.  If
> you want, you can get the Risc/OS console loaded on the Magnum somehow,
> and it will use the serial port as a console.  But AFAIK only Risc/OS can
> be loaded from there so of course that rules out Windows NT or Linux.

I bet the RISC/os console is *very* similar to the ARC firmware.  Probably
the only thing that is different is the byteorder.  In that case it will
be a snap to port Linux - recompile everything, deactivate the kernel
support for the G364 card (needs a bit of hacking) and you should be
there.

I'll check the firmware issue out.

  Ralf

-- 
74 a3 53 cc 0b 19

From ralf@Julia.DE  Wed Mar 12 23:20:56 1997
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Subject: Re: MIPS Magnum 4000
To: linux-mips
Date: Wed, 12 Mar 1997 23:18:02 +0100 (MET)
In-Reply-To: <199703122215.XAA27270@kernel.panic.julia.de> from "Ralf Baechle" at Mar 12, 97 11:15:42 pm
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> 
> I'll check the firmware issue out.

(Completly offtopic, but still ...  I love this list because I got the
last mail I sent back after less than 5 seconds ...)

  Ralf

From rraffer1@osf1.gmu.edu  Thu Mar 13 00:25:52 1997
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	id AA01581; Wed, 12 Mar 1997 18:25:46 -0500
Date: Wed, 12 Mar 1997 18:25:46 -0500 (EST)
From: Ryan Rafferty <rraffer1@osf1.gmu.edu>
To: linux-mips
Subject: Re: MIPS Magnum 4000
In-Reply-To: <199703122215.XAA27270@kernel.panic.julia.de>
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On Wed, 12 Mar 1997, Ralf Baechle wrote:

> I bet the RISC/os console is *very* similar to the ARC firmware.  Probably
> the only thing that is different is the byteorder.  In that case it will
> be a snap to port Linux - recompile everything, deactivate the kernel
> support for the G364 card (needs a bit of hacking) and you should be
> there.

That would be cool.  But I have something in mind that's a little
different... Would it be possible to emulate the standard IBM PC BIOS
routines that ISA video cards need?  I know that DEC Alpha's do this in
their firmware.

Another thing I was thinking -- have you taken a look at the MILO that
Linux/ALPHA uses?  It is a very nice console that allows standard Linux
device drivers to be used before actually loading the Linux kernel.  This
in turn makes it possible to boot Linux from any device that a Linux
device driver exists for.  Could we implement something like this for
Linux/MIPS?

> I'll check the firmware issue out.
> 
>   Ralf
> 
> -- 
> 74 a3 53 cc 0b 19
> 
> 

Read my MIPS:  No new VAXES!

From ralf@Julia.DE  Thu Mar 13 00:57:36 1997
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	  id AAA27438 for linux-mips@fnet.fr; Thu, 13 Mar 1997 00:54:43 +0100
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Subject: Re: MIPS Magnum 4000
To: linux-mips
Date: Thu, 13 Mar 1997 00:54:43 +0100 (MET)
In-Reply-To: <Pine.OSF.3.95q.970312181949.10963A-100000@osf1.gmu.edu> from "Ryan Rafferty" at Mar 12, 97 06:25:46 pm
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Hi,

> > I bet the RISC/os console is *very* similar to the ARC firmware.  Probably
> > the only thing that is different is the byteorder.  In that case it will
> > be a snap to port Linux - recompile everything, deactivate the kernel
> > support for the G364 card (needs a bit of hacking) and you should be
> > there.
> 
> That would be cool.  But I have something in mind that's a little
> different... Would it be possible to emulate the standard IBM PC BIOS
> routines that ISA video cards need?

Yes; I've discussed that recently with someone and he even has already
written the emulation.  Aparrently the emulation is not fast bad good
enough to run a UNIX on ...

>                                      I know that DEC Alpha's do this in
> their firmware.
> 
> Another thing I was thinking -- have you taken a look at the MILO that
> Linux/ALPHA uses?

Looong ago ...  Milo contains a BIOS emulation, btw.

>                    It is a very nice console that allows standard Linux
> device drivers to be used before actually loading the Linux kernel.  This
> in turn makes it possible to boot Linux from any device that a Linux
> device driver exists for.  Could we implement something like this for
> Linux/MIPS?

We could, but that would still leave the question open from where we load
the Milo - on the Magnum that will still be either SCSI or floppy ...
and we're back to the original problem.

There is of course some fancy hardware like a P4032 evaluation board which
can use flash memory to boot from ... but that's no Magnum.

  Ralf

From imp@village.org  Thu Mar 13 02:29:01 1997
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	id E0w4zKA-0005Ja-00; Wed, 12 Mar 1997 18:28:54 -0700
To: linux-mips
Subject: Re: MIPS Magnum 4000 
In-Reply-To: Your message of "Wed, 12 Mar 1997 16:58:12 EST."
		<Pine.OSF.3.95q.970312165454.32229A-100000@osf1.gmu.edu> 
References: <Pine.OSF.3.95q.970312165454.32229A-100000@osf1.gmu.edu>  
Date: Wed, 12 Mar 1997 18:28:54 -0700
From: Warner Losh <imp@village.org>
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In message <Pine.OSF.3.95q.970312165454.32229A-100000@osf1.gmu.edu> Ryan Rafferty writes:
: > By work, I mean the following:  will the BIOS ignore the thing until
: > it is booted (via a serial console, say), when the OS can then take
: > over and dittle the video card in a standard way.  A $35 ISA card is a
: > whole lot cheaper than the $315 Carrara one, no?
: 
: Sure it is.  But it won't work.  The MIPS Magnum console doesn't know how
: to use normal ISA video cards, and can't/won't send its display to them.

So the normal ISA cards are ignored, which is OK.  Once the kernel
gets running, it (eg Linux or OpenBSD) can initialize the standard ISA
card (maybe the drivers for these need help, but it could do that).

So there is no way to have a console that is directed to one of the
serial ports rather than the special video card?  And therefore the
boot process will completely fail?

Warner

From ralf@Julia.DE  Thu Mar 13 05:26:10 1997
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Subject: Re: MIPS Magnum 4000
To: linux-mips
Date: Thu, 13 Mar 1997 05:23:15 +0100 (MET)
In-Reply-To: <E0w4zKA-0005Ja-00@rover.village.org> from "Warner Losh" at Mar 12, 97 06:28:54 pm
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Hi,

> In message <Pine.OSF.3.95q.970312165454.32229A-100000@osf1.gmu.edu> Ryan Rafferty writes:
> : > By work, I mean the following:  will the BIOS ignore the thing until
> : > it is booted (via a serial console, say), when the OS can then take
> : > over and dittle the video card in a standard way.  A $35 ISA card is a
> : > whole lot cheaper than the $315 Carrara one, no?
> : 
> : Sure it is.  But it won't work.  The MIPS Magnum console doesn't know how
> : to use normal ISA video cards, and can't/won't send its display to them.
> 
> So the normal ISA cards are ignored, which is OK.  Once the kernel
> gets running, it (eg Linux or OpenBSD) can initialize the standard ISA
> card (maybe the drivers for these need help, but it could do that).
> 
> So there is no way to have a console that is directed to one of the
> serial ports rather than the special video card?  And therefore the
> boot process will completely fail?

That's easy; just disabeling all special Magnum stuff should bring you to
the point where the machine uses the ISA card as display.  And hey Warner,
you already gone through the procedure for the rPC44 (not very cleanly :-),
so you know what you have to do - just one exception: you need to initialize
the entire chipset on the card manually as long as we don't have a Intel
BIOS emulation.

  Ralf  (Now doing uadmin 2 0 for maintance :-)

From dom@algor.co.uk  Thu Mar 13 10:19:26 1997
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From: Dom Sweetman <dom@algor.co.uk>
Date: Thu, 13 Mar 1997 09:19:13 GMT
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To: linux-mips
Subject: Re: LINUX on MIPS
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renato@mips.it (renato@mips.it) writes:

> Hi, I won't take up much of your time , I'm looking for a port of linux on
> a MIPS  R5000 
>
> is there a project for this processor to be able to run linux?

Algorithmics are building an R5000 board, and we certainly intend to
try to get the same software running on it as is currently being
ported to our P-4032 board - and that includes Linux.  So we share
your interest and intend to do something about it, by around
the middle of the year.

> All suggestion you could send me are appreciated , I'm interested in
> setting up a machine with a MIPS R5000 and linux and if you want a
> mirror in Italy I'm available.  

What kind of machine is that?

Dominic Sweetman
Algorithmics Ltd
dom@algor.co.uk
www.algor.co.uk

From rji@bristol.st.com  Thu Mar 13 13:07:08 1997
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Date: Thu, 13 Mar 1997 11:08:19 +0000
In-Reply-To: Ralf Baechle <ralf@Julia.DE>
        "Re: MIPS Magnum 4000" (Mar 12, 11:15pm)
References: <199703122215.XAA27270@kernel.panic.julia.de>
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On Mar 12, 11:15pm, Ralf Baechle wrote:

> I bet the RISC/os console is *very* similar to the ARC firmware.  Probably
> the only thing that is different is the byteorder.  In that case it will
> be a snap to port Linux - recompile everything, deactivate the kernel
> support for the G364 card (needs a bit of hacking) and you should be
> there.
>
> I'll check the firmware issue out.
>
>   Ralf
>
> --
> 74 a3 53 cc 0b 19
>
>-- End of excerpt from Ralf Baechle

I wonder if any other PC cards had the same chipset as the magnum card ? I
wonder how easy it would be diverting video O/P to an ISA card in one of the
slots ?

Does anyone have any technical manuals for these boxes ? I have an old Mips
R3330 server box that came with a full technical ref manual giving a full
memory map so something along these lines may be useful.

Rich.

(The Inmos chip was designed just down the corridor from were I sit !).

From linux@informatik.uni-koblenz.de  Thu Mar 13 16:04:48 1997
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Subject: Re: LINUX on MIPS
To: linux-mips
Date: Thu, 13 Mar 1997 15:58:20 +0100 (MET)
In-Reply-To: <191.199703130919@gladsmuir.algor.co.uk> from "Dom Sweetman" at Mar 13, 97 09:19:13 am
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Hi,

> > Hi, I won't take up much of your time , I'm looking for a port of linux on
> > a MIPS  R5000 
> >
> > is there a project for this processor to be able to run linux?
> 
> Algorithmics are building an R5000 board, and we certainly intend to
> try to get the same software running on it as is currently being
> ported to our P-4032 board - and that includes Linux.  So we share
> your interest and intend to do something about it, by around
> the middle of the year.
> 
> > All suggestion you could send me are appreciated , I'm interested in
> > setting up a machine with a MIPS R5000 and linux and if you want a
> > mirror in Italy I'm available.  
> 
> What kind of machine is that?

He's got a SGI.

Time to spread the news - Miguel De Icaza will complete the R5000 bits we
already have.  Target will be an Indy.

  Ralf

From linux@informatik.uni-koblenz.de  Thu Mar 13 16:14:31 1997
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Subject: Re: MIPS Magnum 4000
To: linux-mips
Date: Thu, 13 Mar 1997 16:11:26 +0100 (MET)
In-Reply-To: <9703131108.ZM15316@bristol.st.com> from "Richard Ingram" at Mar 13, 97 11:08:19 am
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Hi,

> I wonder if any other PC cards had the same chipset as the magnum card ? I
> wonder how easy it would be diverting video O/P to an ISA card in one of the
> slots ?

Maybe there was a PC card - but the chip is not VGA compatible, so iff
there was a card, then it was only for a second monitor or so.  The chip
doesn't fit into the PC's crappy design because it has no character mode ...

Making the Magnum use a VGA card in it's slots will be easier than it
was to make it use the G364.

> Does anyone have any technical manuals for these boxes ? I have an old Mips
> R3330 server box that came with a full technical ref manual giving a full
> memory map so something along these lines may be useful.

I've got an offer from some guy to send me the manuals.  Apparently
he has what we need.

Does anybody on this list have the necessary facilities to OCR the manuals
and bring them into a redistributable state?

Alternatively the source bits and headers included with RISC/os also
contain information; the machine's hardware is much simpler than the
Magnum's.

> (The Inmos chip was designed just down the corridor from were I sit !).

Nice; in that case you shouldn't have probs getting the docs which isn't
easy nowadays.

  Ralf

From hub-fue!alpha.franken.de!tsbogend@rachael.franken.de  Fri Mar 14 23:37:45 1997
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From: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Message-Id: <199703142052.VAA03149@alpha.franken.de>
Subject: Re: MIPS Magnum 4000
In-Reply-To: <199703122354.AAA27438@kernel.panic.julia.de> from Ralf Baechle at "Mar 13, 97 00:54:43 am"
To: linux-mips
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> > That would be cool.  But I have something in mind that's a little
> > different... Would it be possible to emulate the standard IBM PC BIOS
> > routines that ISA video cards need?
> 
> Yes; I've discussed that recently with someone and he even has already
> written the emulation.  Aparrently the emulation is not fast bad good
> enough to run a UNIX on ...

Not fast enough is typical a problem with PC video bioses. In the early
days the Linux/Alpha bootloader had a freeware x86 emulator to run
the vga bios code. This emulator wasn't fast enough to emulate a timing
loop inside of my ATI mach64 bios, so the clock chip didn't get the
right timing. The DEC people put in a lot of work in their x86 emulator 
to bring up a mach64 card (and did it again to bring up matrox millenium
cards). I guess, that they are using a similair trick, as they do with 
freeport (a sparc "emulator" for Alpha). Freeport translates the native 
Sparc code to native Alpha code.

Thomas.

-- 
See, you not only have to be a good coder to create a system like Linux,
you have to be a sneaky bastard too ;-)
                   [Linus Torvalds in <4rikft$7g5@linux.cs.Helsinki.FI>]

From hkoerfg1@ford.com  Wed Mar 19 16:19:59 1997
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From: "Harald Koerfgen" <hkoerfg1@ford.com>
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Subject: 32.96 BogoMIPS on DECstation 5000/133
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Hello DECstation hackers,

yes, you are reading right. After two weeks of hard work (have i 
mentioned that i am a kernel hacker newbie?) the timer tick code for 
kmin is running. This is what i got so far:

  >>boot 3/tftp
  514816+573328+89232

  Linux/MIPS DECStation Boot
  Copyright (C) Paul M. Antoine 1995, 1996 and others, 1994, 1995, 1996

  Linux version 2.1.1 (harry@irgendwo) (gcc version 2.7.2) 
  #1 Mon Mar 17 22:21:03 MET 1997

  Page size is: 1000
  Bitmap size is: 1536 bytes
  Main memory size is: 49152 KB
  System id is: 82030230 
  System has an R3000 CPU
  I-Cache size: 64K, D-Cache size: 128K
  System has firmware type: TCF0
  This DECStation is a: DS5000/1x0
  Added tags
  Setup complete, launching kernel...
  Calibrating delay loop.. ok - 32.96 BogoMIPS
  Memory: 47600k/49148k available (696k kernel code, 852k data) 
  Bad pmd in pte_alloc_kernel: 8003f5bf
  free_area_pte: bad pmd (000365bf)

I commented out console_init(...) in init/main.c and used a 
register_console(pmax_prinf) instead in arch/mips/dec/decstation.c 
(thanks for the hint, Ralf).

If anybody is interested in my patches, please drop me a mail. I've 
tried to put them on the web, but my ISP is having problems with 
uploading, maybe this week... or should i just send them to Paul?

A further investigation revealed:

   - the kernel is dying (silently!) in buffer_init() in fs/buffer.c 
     because the vmalloc(...) for the hash_table fails. 

   - if buffer_init() in init/main.c is commented out, the kernel 
     even prints the (real(tm)) linux banner and dies somewhere in 
     kernel_thread(init, NULL, 0) (CONFIG_PROC_FS not set!).

I'd appreciate, if someone with more insight than me could point me into the right 
direction in fixing this vmalloc stuff.

Oh... i nearly forgot to mention: the cache_size() stuff in 
arch/mips/mips1/cache.S also seems to work.

keep hacking,
Harald
(harald.koerfgen@netcologne.de)

From miguel@nuclecu.unam.mx  Wed Mar 19 18:42:09 1997
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From: Miguel de Icaza <miguel@nuclecu.unam.mx>
To: linux-mips
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	(hkoerfg1@ford.com)
Subject: Re: 32.96 BogoMIPS on DECstation 5000/133
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>   Calibrating delay loop.. ok - 32.96 BogoMIPS
>   Memory: 47600k/49148k available (696k kernel code, 852k data) 
>   Bad pmd in pte_alloc_kernel: 8003f5bf
>   free_area_pte: bad pmd (000365bf)

Impressive.  Now, guys, please hurry up, my mail server (this very
decstation) wants to run Linux/MIPS badly :-).

> If anybody is interested in my patches, please drop me a mail. I've 
> tried to put them on the web, but my ISP is having problems with 
> uploading, maybe this week... or should i just send them to Paul?

I would suggest sending those patches to Paul as soon as possible, so
that Ralf can merge his code quickly.  We may be doing lots of changes
to the MIPS tree in the close future.

Miguel.

From pab@RMnet.IT  Sat Mar 22 00:52:38 1997
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Hi guys,

It's with sadness that i'm leaving this list because i can't
really keep up with your progresses. I would like to donate
my Magnum (0K RAM) and low-res graphic board to someone that
would make a better use of it. Also i have a copy of the 
Olivetti reference. I just ask the recipient to pay for shipment.

Has been nice. Thanks & bye everyone!

	/pab

From webtech@txdirect.net  Mon Mar 24 23:13:11 1997
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From: Cosmin Tomescu <webtech@txdirect.net>
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Hello. I was wondering first if I can subscribe to email information
about Linux on MIPS platform so that I can get up to date news and
second, if NEC RISCServers running R4400s at 250Mhz is supported by
Linux. If not, is there going to be support for the NEC machines ? Can
you run both NT Server software and Linux on the same machine and have
it ask you which OS you wish to load ? Any details and plans for support
on the NEC would be appreciated. The current version of Linux will not
run on my machine ? Is there going to be multiprocessing support for
MIPS platform ? Please email me. Thank you.

From linux@informatik.uni-koblenz.de  Mon Mar 24 23:58:18 1997
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From: Systemkennung Linux <linux@informatik.uni-koblenz.de>
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Cc: webtech@txdirect.net
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Hi,

> Hello. I was wondering first if I can subscribe to email information
> about Linux on MIPS platform so that I can get up to date news and
> second, if NEC RISCServers running R4400s at 250Mhz is supported by
> Linux. If not, is there going to be support for the NEC machines ? Can
> you run both NT Server software and Linux on the same machine and have
> it ask you which OS you wish to load ? Any details and plans for support
> on the NEC would be appreciated. The current version of Linux will not
> run on my machine ? Is there going to be multiprocessing support for
> MIPS platform ? Please email me. Thank you.

The NEC machines are currently not supported.  The will be SMP
support sooner or later.

  Ralf

From don@cs.byu.edu  Tue Mar 25 08:54:26 1997
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Date: Tue, 25 Mar 1997 00:50:12 -0700 (MST)
From: Don <don@cs.byu.edu>
Sender: don@chele.cs.byu.edu
Reply-To: Don <don@cs.byu.edu>
Subject: http://www.fnet.fr/linux-mips/
To: linux-mips
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Your link to Mips R4x00 processors
http://www.sgi.com/MIPS/HTMLs/R4400_B.html

is outdated.


The page itself is somewhat dated as well. Is the project stalled? I'm
obviously not on your mailing list [yet] so please direct your replies to me.


don@cs.byu.edu

From linux@informatik.uni-koblenz.de  Tue Mar 25 16:31:22 1997
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From: Systemkennung Linux <linux@informatik.uni-koblenz.de>
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Subject: Re: http://www.fnet.fr/linux-mips/
To: linux-mips
Date: Tue, 25 Mar 1997 16:28:26 +0100 (MET)
Cc: don@cs.byu.edu
In-Reply-To: <ML-3.0.859276212.7457.don@chele.cs.byu.edu> from "Don" at Mar 25, 97 00:50:12 am
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Hi,

> Your link to Mips R4x00 processors
> http://www.sgi.com/MIPS/HTMLs/R4400_B.html
>
> is outdated.

Thanks, fixed.  The correct pages are in the http://www.sgi.com/MIPS/products/index.html
directory.

> The page itself is somewhat dated as well. Is the project stalled? I'm
> obviously not on your mailing list [yet] so please direct your replies to me.

Nope, the problem is that noone is maintaining the FAQ.  Volunteers?  The
project is well alive.  See also the announcement I'll later on post to
comp.os.linux.announce.

  Ralf

From don@cs.byu.edu  Wed Mar 26 09:45:44 1997
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From: Don <don@cs.byu.edu>
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Subject: Re: http://www.fnet.fr/linux-mips/
To: linux-mips
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> > The page itself is somewhat dated as well. Is the project stalled? I'm
> > obviously not on your mailing list [yet] so please direct your replies to
> > me. 
> 
> Nope, the problem is that noone is maintaining the FAQ.  Volunteers?  The
> project is well alive.  See also the announcement I'll later on post to
> comp.os.linux.announce.

Since your web page is outdated by a year, maybe someone can tell me the
current status of the MIPS linux project. I have a couple of Indy R4000's, so
I'm interested in linux for them. If there's a working copy, I'll join your
mailing list. I've already put linux on sparc and will be working on alpha
soon. 

Don

From linux@informatik.uni-koblenz.de  Wed Mar 26 13:30:54 1997
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From: Systemkennung Linux <linux@informatik.uni-koblenz.de>
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Subject: Re: http://www.fnet.fr/linux-mips/
To: linux-mips
Date: Wed, 26 Mar 1997 13:28:39 +0100 (MET)
Cc: don@cs.byu.edu
In-Reply-To: <ML-3.0.859365686.9124.don@chele.cs.byu.edu> from "Don" at Mar 26, 97 01:41:26 am
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> > Nope, the problem is that noone is maintaining the FAQ.  Volunteers?  The
> > project is well alive.  See also the announcement I'll later on post to
> > comp.os.linux.announce.

> Since your web page is outdated by a year, maybe someone can tell me the
> current status of the MIPS linux project. I have a couple of Indy R4000's, so
> I'm interested in linux for them. If there's a working copy, I'll join your
> mailing list. I've already put linux on sparc and will be working on alpha
> soon. 

The SGI port has been stalled since last August but is now being restarted
in the background.  What we have is a almost ready kernel for certain
Indy configurations.  More soon on this list and linux-announce.  Btw, a lot
of work on the Indy port has been done and will be done by people also
working on the Sparc port.

  Ralf

From streubel@psh-online.com  Thu Mar 27 15:12:35 1997
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Date: Thu, 27 Mar 1997 15:14:03 +0000
From: Kay Streubel <streubel@psh-online.com>
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Hi there,
a German Unix magazine just published an "april fool" about Linux running 
on Nintendo's new 64 bit game console...

How about it?! The magazine's editor said that he asked somebody on Cebit 
97 and they said that everything one would need for a running kernel is 
already included in the machine (R4300, 4 MB RAM, etc.)

So if there is anybody who could give me some info about the general 
feasibility, I would like to hear from you!

Greeting,
Kay Streubel

From linux@informatik.uni-koblenz.de  Thu Mar 27 16:39:01 1997
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From: Systemkennung Linux <linux@informatik.uni-koblenz.de>
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To: linux-mips
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Hi,

> a German Unix magazine just published an "april fool" about Linux running 
> on Nintendo's new 64 bit game console...

Yes, it's a incredibly good april fool's joke.  They perfectly combined
lots of true facts into something that isn't true at all.

I talked to one of the editor on the CeBIT and he said they'd put the
article on the web on April, 1 in both English and German language.
Their web server is www.heise.de.

> How about it?! The magazine's editor said that he asked somebody on Cebit 
> 97 and they said that everything one would need for a running kernel is 
> already included in the machine (R4300, 4 MB RAM, etc.)
> 
> So if there is anybody who could give me some info about the general 
> feasibility, I would like to hear from you!

The thing is entirely suitable for Linux, though it's of course lacking
some of the usual peripherals like disks.  More RAM wouldn't be bad, also ...

  Ralf

From Gilles.Gravier@France.Sun.COM  Fri Mar 28 09:54:16 1997
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From: Gilles Gravier - ITC <Gilles.Gravier@France.Sun.COM>
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To: linux-mips
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Hard disk drive...

> Hi there,
> a German Unix magazine just published an "april fool" about Linux running 
> on Nintendo's new 64 bit game console...
> 
> How about it?! The magazine's editor said that he asked somebody on Cebit 
> 97 and they said that everything one would need for a running kernel is 
> already included in the machine (R4300, 4 MB RAM, etc.)
> 
> So if there is anybody who could give me some info about the general 
> feasibility, I would like to hear from you!
> 
> Greeting,
> Kay Streubel
> 


--
/----------------+-------------------------------------------\
|       /\       |   Gilles Gravier                          |
|      \\ \      |   Pre-Sales Technical Support             |
|     \ \\ /     |   Sun Microsystems France                 |
|    / \/ / /    |   13 avenue Morane Saulnier               |
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From stefan@tiger.ami.ru.acad.bg  Fri Mar 28 14:49:08 1997
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Date: Fri, 28 Mar 1997 15:40:08 +0200
From: Stefan Stefanov <stefan@ami.ru.acad.bg>
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To: linux-mips
Subject: Problems with Linux-Mips
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  Hello,
  
  I would like to ask you a few questions concerning Linux/MIPS kernel.
  Unfortunatly I crashed into some problems that I am not able to go arround.
  
  I have Decstation 5000/25 with R3000 CPU. I've downloaded kernel version
  2.1.1 ftp://ftp.softway.com.au/pub/linux-mips/dec_vmlinux.2.1.1.test.gz.
  I tried tftp boot using another linux on i386 as a bootp server and 
  from kernel placed on Ultrix FS. The result was the same. In both cases
  kernel prints initial messages for cputype, machine model, memory size,
  etc and stops onto:
  
    Please write the IRQ setup code for the DECstation!
    
  I would like to ask the following questions:
  
  1. Could this image boot on my machine? And what I have to do to make
     it run?
     
  2. I have the source code for the same release of the kernel. What
     configuration options should I use to compile it?
  
  3. Is there any docs or FAQs the could guide me how to compile the 
     kernel?
     
  Thank you.
   
  Sincerely,
  Stefan Stefanov
  

    

From Michael.Engel@unix-ag.org  Fri Mar 28 15:18:32 1997
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From: Michael Engel <Michael.Engel@unix-ag.org>
Message-Id: <199703281416.PAA17934@vespa.unix-ag.uni-siegen.de>
Subject: Re: Problems with Linux-Mips
To: linux-mips
Date: Fri, 28 Mar 1997 15:16:26 +0100 (MET)
In-Reply-To: <199703281340.PAA24491@tiger.ami.ru.acad.bg> from "Stefan Stefanov" at Mar 28, 97 03:40:08 pm
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Hi,
>   
>   I would like to ask you a few questions concerning Linux/MIPS kernel.
>   Unfortunatly I crashed into some problems that I am not able to go arround.
>   
Well, this is not surprising ...

>   I have Decstation 5000/25 with R3000 CPU. I've downloaded kernel version
>   2.1.1 ftp://ftp.softway.com.au/pub/linux-mips/dec_vmlinux.2.1.1.test.gz.
>   I tried tftp boot using another linux on i386 as a bootp server and 
>   from kernel placed on Ultrix FS. The result was the same. In both cases
>   kernel prints initial messages for cputype, machine model, memory size,
>   etc and stops onto:
>   
>     Please write the IRQ setup code for the DECstation!
>     
>   I would like to ask the following questions:
>   
>   1. Could this image boot on my machine? And what I have to do to make
>      it run?
>      
Hmmm, it tells you exactly what to do - write the IRQ setup code. The
DECstation Linux kernel isn't yet comlete (maybe this should be in the FAQ ?).

If you want to do some kernel hacking, you're welcome to do so ! In fact,
some more code has been written but not yet integrated in a released kernel.
And we should probably integrate the DECstation code into the 2.1.14 
kernel (or has this already been done, Ralf ?) ...

regards,
	Michael Engel	(engel@unix-ag.uni-siegen.de)

From ralf@Julia.DE  Fri Mar 28 15:26:41 1997
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Subject: Re: Problems with Linux-Mips
To: linux-mips
Date: Fri, 28 Mar 1997 15:21:57 +0100 (MET)
Cc: stefan@ami.ru.acad.bg
In-Reply-To: <199703281416.PAA17934@vespa.unix-ag.uni-siegen.de> from "Michael Engel" at Mar 28, 97 03:16:26 pm
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Hi,

> If you want to do some kernel hacking, you're welcome to do so ! In fact,
> some more code has been written but not yet integrated in a released kernel.
> And we should probably integrate the DECstation code into the 2.1.14 
> kernel (or has this already been done, Ralf ?) ...

Not yet.

  Ralf

From Elias@Kesh.com  Sun Mar 30 07:58:50 1997
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Date: Sat, 29 Mar 1997 22:06:12 +0000
From: Elias Kesh <Elias@Kesh.com>
Organization: EJK Consulting
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We are creating a port to a MIPS based platform and would like to
subscribe to the mailing list.

Elias@kesh.com

Thank you.

