At 23:57:33 -0700 on 8/30/05, Gregg Eshelman <[EMAIL PROTECTED]> wrote:

--- Jeff Walther <[EMAIL PROTECTED]> wrote:

 Does anyone have a pinout/datasheet for the
 IIfx/LWNT 64 pin SIMMs?
 I'm thinking about running off a few homebrew
 > circuit boards....

If you're thinking of SIMM stackers to put 4 72pin
SIMMs into one IIfx slot, that's been done already.

As I recall, MicroMac's SIMM Doubler just socketed two 64-pin SIMMs in "parallel". You bought four boards (for each bank) and "doubled-up" your old one, two, four, or eight MG 64-pin SIMMs. Thus you could build 2, 3, 4, 5, 6, 8, 9, 10, 12, or 16 MG "SIMMs" in each bank for any combination of 4*(A+B) up to 128 MG where "A" and "B" are the Doubler capacity or zero.
--
Bob Gray      Huntingtown MD      [EMAIL PROTECTED]

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