SIMMS and other memory dongles

compoobah at compoobah at
Tue Jan 31 19:32:51 CST 2006

What this sounds like is that he wants something to build up a (say) 128 MB SIMM from 4 32 MB SIMMS, and have it be the same width. This sounds suspiciously like you're trying to build a device to create a composite SIMM, which does require some external logic (often implemented as a PAL). When composite SIMMS were made, they were the cause of some "profanity sculpture", as they tended to not have consistant timing, if I recall. The 8-bit to 32-bit adaptors were/are fairly common, but with 4-16 MB 32/(36)bit SIMMS free to very cheap, not really worth pursuing.

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