[Info-vax] Request for AlphaServer 1000A SIMM/SIMMS

[Hans Vlems]

On 6 jul, 10:39, Kari Uusimäki <uusim... at exdecWITHOUTTHISfinland.org>
wrote:
> On 6.7.2011 9:09, Bart.Z... at gmail.com wrote:
>
>
>
>
>
> > On Jul 5, 8:43 pm, urbancamo<m... at wickensonline.co.uk>  wrote:
> >> Hi,
>
> >> I recently had a SIMM go bad in my AlphaServer 1000A and needed to
> >> pull the group of four to keep it running. Does anyone out there have
> >> any spares? I'm based in the UK.
>
> >> The part number I'm looking for is: 50-21276-01-02, it's a 8MB x 36
> >> SIMM 60ns EDO FPM, also listed as being for an AlphaServer 200 4/233.
>
> >> Alternatively, a set of four SIMMs in either of the following formats
> >> would be great:
>
> >> 54-21246-BA 1 x 8MB SIMM
> >> 54-23170-BA 1 x 16MB SIMM
> >> 54-21277-BA 1 x 32MB SIMM
> >> 54-24123-AA 1 x 64MB SIMM
>
> >> All the documentation for the AS1000A says that the SIMMs should be
> >> added in groups of five, one for parity correction, but this server
> >> doesn't have any of the fifth SIMMs installed, so I'm assuming they
> >> are optional.
>
> >> Many thanks, Mark.
>
> > AFAIK, the AS 1000A 4/xxx uses groups of five SIMMs, and the 1000A 5/
> > xxx uses groups of four.
>
> > Bart
>
> Quite correct. The fifth SIMM on the EV4  AS1000(A)'s is the ECC SIMM.
>
> Kari- Tekst uit oorspronkelijk bericht niet weergeven -
>
> - Tekst uit oorspronkelijk bericht weergeven -

Interesting!  The OP wrote that he has an Alpha Server 1000A 5/300
with 5 memory banks,
each bank has 4 slots.
I just saw the output of >>> SHOW CONFIG and the machine
identification is correct.
I don't have an AlphaServer 1000(A) with 5 memory banks on the main
board, never tried to
boot one with the 5th bank empty (the one that holds the ECC simm(s)).
Apparently that is possible.
Mark could you post a photo of the main board?
Hans