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echo: tech
to: PAUL WILLIAMS
from: JIM HOLSONBACK
date: 2003-02-22 16:13:00
subject: RAM sticks.

Hello, Paul.
-=> PAUL WILLIAMS wrote to ROY J. TELLASON <=-
 RJT>Hm. This board I stuck in to my test fixture last night takes 4 72-pin
 RJT>parts or *one* DIMM, not sure what. Since it's a VX chipset I doubt that
 RJT>I can go bigger than 64M in there anyhow, and that's if I can *find* one

 PW>  Fwiw if it's like the FIC PT-2006 I had to go back to after the FIC
 PW> PT-2200 I was using died, you can use 4 simms and no dimm or you can
 PW> use *2* simms plus 1 dimm of up to 32meg as 64 was untested at the
 PW> time.

Hmm.  Did the manual say anything about whether the DIMMS supported were
to be 3.3v SDRAM vs. 5v FPM or EDO?  I dunno, but if FIC was aware that
the 64MB DIMMS were on the way, they may have set up for them in
advance, or perhaps there was a later BIOS revision after the 64's were
on-hand which would allow it to accommodate them.

I know some of the late Socket 7 boards had a pair of jumpers near the
memory slots, and they could be set for either 3.3v or 5.0v DIMMS.

If your board could work with the SDRAM sticks, I'd be interested to
hear the results of a test with CacheChk.exe to see if the DIMM ran
faster than the SIMMS, and which bank ended up in the highest memory
addresses.

 PW>  The pair of simms right next to the dimm are both the same bank.

BANK0, or BANK1?

 PW>  Too bad that as otherwise I'd have 96meg in this box 'stead of 64meg.

If it could finally work with a 64MB DIMM, that might still be
possible, but if it has an Intel VX Chipset like Roy's, why bother?

- - -  JimH.



... Inquiring minds want to know. - Bubba
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