Re: EB164 SRM Problems - Followup
now that this problem is solved (and quitte fast indeed, thanks!) I did
notice another strange difference between SRM and ARC booting (using
2.4.20). When I'm running linux with SRM, I keep getting a number of
correctable ecc errors when for instance compiling large programs or copying
large files to the alpha. Now when running ARC, I don't get any alike
errors.. Does ARC init my RAM differently too then? (I have 8 32Mb banks,
only 2 of them are different one's running 60ns iso 70ns... It is placed in
70/70 70/70 70/60 70/60 in banks 1/2 3/4 5/6 7/8) I placed it like this,
since I'ld expect it to have the 60ns modules running on 70ns like this
too... But does the ARC linux just don't get these messages through, or
doesn't it register them, or are they indeed not triggered under ARC?
Thanx again!
Sebastiaan.
----- Original Message -----
From: "Jay Estabrook" <Jay.Estabrook@compaq.com>
To: "S.D. Pais" <spais@ai.rug.nl>
Cc: <debian-alpha@lists.debian.org>
Sent: Wednesday, January 29, 2003 12:44 AM
Subject: Re: EB164 SRM Problems
> On Tue, Jan 28, 2003 at 11:37:20PM +0100, S.D. Pais wrote:
> >
> > I've just got hold of a 4 port Adaptec NIC, which I'ld like to place in
my
> > EB164 alpha, since I'm aa little short on expansion slots. Only after
> > inserting this card, the system doens't boot up. Just in a hunch I
switched
> > to the ARC firmware (I just love those large roms), and what the heck,
it
> > booted up just fine... And so now I'm able to run my alpha just fine
_with_
> > the 4port NIC, and even some old ISA video card works (didn't boot on
SRM
> > either, having another PCI slot freed suits me just _fine_). But still I
> > think/assume SRM is the better choice to boot linux when left the
option. So
> > I was wondering if there's a way to fix this behaviour. I guess SRM
fails on
> > the init of the PCI Bridge chip used on the NIC (DECchip 21154 rev02),
> > whilst it doesn't have any problems with the one (DECchip 21050 rev02)
on my
> > SCSI adapter.
>
> Your guess is correct; SRM on the EB164 doesn't know about newer bridges.
>
> And yes, SRM is the preferred console for booting Linux.
>
> > The only real difference I could see was upon booting, SRM says it uses
BOIS
> > Emulation V1.5, whereas ARC states Emulation V2.02... But I haven't got
a
> > clue if these to are interchangable between both Firmware, let alone on
how
> > to accomplish such a task.
>
> This might have an impact on what VGA cards would be correctly
BIOS-inited,
> but on little else (and not the newer-bridge problem :-).
>
> > Anyone has any ideas on how to get this baby to work with SRM, or any
> > arguments on why not to bother and just keep using ARC (which parts of
> > ARC/milo make it less favorable as opposed to SRM?)
>
> If use of the 4-port NIC is important, by all means keep using MILO.
>
> SRM console has more complete/tested PALcode for support of Linux, but
> the MILO-provided PALcode should work OK.
>
> Good luck.
>
> --Jay++
>
> --------------------------------------------------------------------------
---
> Jay A Estabrook HPTC - LINUX support
> Hewlett-Packard Company - MRO1-2/K15 (508) 467-2080
> 200 Forest Street, Marlboro MA 01752 Jay.Estabrook@hp.com
> --------------------------------------------------------------------------
---
>
>
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