Re: New alpha..
According to my AlphaPC164 Motherboard book all of the SIMMs must be the
same size (nMb X 36-bit) which implies PARITY SIMMs and must be 70-ns access
time or better (lower). If you are populating just the J5 thru J8 (4) SIMM
sockets (128 bit datapath mode) the J1 jumper must be in place on the
motherboard (this informs the memory controller that you are running 128-bit
data path mode) - If you are going to populate all of the SIMM sockets
(256-bit data path mode) you use the SAME SIZE simms for all the memory and
remove the J1 jumper... ( this is the configuration my board is setup in
with 64-Mb 36-bit parity 60-ns simms [ total of 512Mb RAM ])...
Hope this helps...
gm...
-----Original Message-----
From: Christopher C Chimelis <chris@beezer.med.miami.edu>
To: Bart Warmerdam <bartw@xs4all.nl>
Cc: Matthew R. Pavlovich <mpav@purdue.edu>; debian-alpha@lists.debian.org
<debian-alpha@lists.debian.org>
Date: Tuesday, August 10, 1999 8:55 AM
Subject: Re: New alpha..
>
>On Tue, 10 Aug 1999, Bart Warmerdam wrote:
>
>> Good to see more ppl running Alpha :-)
>
>Same here :-)
>
>> I have a 21164 AlphaPC164 (SX) which takes plain SDRAM. Make sure you can
>> return them if they don't work on you machine though...
>
>The SX's will take ordinary PC100 SDRAM, but I believe the regular PC164's
>only take parity RAM. Best to check Compaq's documentation on the
>motherboard (or API's...not sure who made that board) and verify this.
>Read the section carefully as even the SX's motherboard manual is vague on
>the subject.
>
>If I find anything out, I'll post about it...
>
>C
>
>
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