On Sun, 18 Jan 1998, Michael Engel wrote:
> We should try to find out what the biggest problems in the current
> state of the port are. Areas that IMHO need work are:
> - Interrupt handling
> - MMU setup and handling
> - of course, device drivers:
> o Ethernet (Lance 7990) - should be able to derived from the Sparc port,
> major difference is that the Lance has a separate memory area in at
> least the DS100 and 5000/200 and isn't able to do DMA.
> o SCSI in DS100 - the DEC SII chipset. Documented in the DS3100
> functional specs
> o SCSI in almost (?) all other DECstations - NCR53C94. Is this chip
> documented ?
> o Console drivers (I got some of these working with the DZ11) - a DZ11
> compatible UART in DS100 and 5000/200, a Zilog 8530 in at least the
> Personal DECstations and the DS5000/1xx.
> Support for the DS100 frame buffer also exists.
> We should also examine the differences between the various REX- and
> non-REX firmware versions in the various DECstations.
> o TurboChannel support - probing for cards etc. and support for the most
> important TC options - PMAG-[AB]* graphics adapters, ethernet and SCSI
> controllers (which are simply TC versions of the Lance and NCR53C94).
> Well, we also have a nice 24-bit i860-accelerated graphics board here ;-)
> [So you say that's almost everything - hmmm, maybe you're right ;-)]
And ISDN support on the 5000's that have the slot (the 5000/25's have it
like the 3100's do, but with a sticker on top. The test routines are all
there, they just deny that they put the hardware in... Its all documented
> Probably it is also a good idea to make a list of the hardware that is
> available for testing kernels.
> I have a DS2100, a 5000/25, a 5000/120 and a 5000/200 and can get
> access to 5000/33's, 3100's and 5000/240's at University.
> I would personally also like to support the first-generation TurboChannel
> AXP machines (3000/00) as the Alpha developers don't seem to be
> interested in these ... but I still don't have such a machine :-(.
> Michael Engel (firstname.lastname@example.org)
"It was pleasure to burn."