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Re: installation problem.

To: "William J. Earl" <wje@fir.engr.sgi.com>
Subject: Re: installation problem.
From: Alistair Lambie <alambie@wellington.sgi.com>
Date: Fri, 27 Feb 1998 10:53:34 +1300
Cc: Ulf Carlsson <grimsy@varberg.se>, linux@cthulhu.engr.sgi.com
References: <Pine.LNX.3.96.980226120308.3903B-100000@calypso.saturn> <199802261734.JAA25332@fir.engr.sgi.com>
Sender: owner-linux@cthulhu.engr.sgi.com
William J. Earl wrote:
> 
> Ulf Carlsson writes:
>  > Hello again.
>  >
>  > I'm getting pretty tired. No progress at all. Is my configuration special
>  > in any way?
>  >
>  > System: IP22
>  > Processor: 100 Mhz R4000, with FPU
>  > Primary I-cache size: 8 kbytes
>  > Primary d-cache size: 8 kbytes
>  > Secondary cache size: 1024 Kbytes
>  > Memory size: 32 Mbytes
>  > Graphics: Indy 8-bit
>  > SCSI Disk: scsi(0)disk(4)
>  > SCSI Disk: scsi(0)disk(6)
>  >
>  > Are not all indys almost identical? It's very strange IMO that .72 hangs
>  > before it prints anything on the screen. I think I've tested almost
>  > everything by now.
> ...
> 

Wouldn't be a pre newport graphics machine would it?  Has this been tried?  Just
a thought.

Cheers, Alistair

>      No, there are many different CPU types for the Indy, in order
> of appearance:
> 
>         R4000PC, 100 MHZ
>         R4000SC, 100 MHZ
>         R4600PC, 100 and 133 MHZ
>         R4400SC, 150 and 200 MHZ
>         R4600SC, 133 MHZ
>         R5000PC, 150 and 180 MHZ
>         R5000SC, 180 MHZ
> 
> In the above, "PC" means that there is no secondary cache and "SC"
> means that there is.  The R4000 and R4400 are functionally very similar, 
> except
> for cache size.  The R4600 and R5000 are also similar, but with
> a very different cache organization from the R4000 and R4400.  Various
> revision of the processors (and more than one revision was shipped
> for each processor) have different errata, so the kernel must work around
> various processor errata according to the processor type and revision.
> As I understand it, the currently checked-in source must be recompiled
> to provide R4600/R5000 PC and SC versions for Indy, and those versions
> may not be fully tested on all R4000 and R4400 revisions.  In the not
> distant future, a single kernel will likely support all the processors,
> as does the IRIX kernel, but that is more work than just selecting
> the processor type at compile time.

-- 
Alistair Lambie                         alambie@wellington.sgi.com
Silicon Graphics New Zealand                SGI Voicemail: 2431455
Level 5, Cigna House,                           Ph: +64-4-494 6325
40 Mercer St, Wellington, NZ                   Fax: +64-4-494 6321

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