Construct Your Personal 16 MB 30-Pin SIMMs For Classic PCs

Construct Your Personal 16 MB 30-Pin SIMMs For Classic PCs
Construct Your Personal 16 MB 30-Pin SIMMs For Classic PCs


At this time’s reminiscence sticks have a whole lot of pins and lots of gigabytes of RAM on board. Many years in the past, although, the common-or-garden 30-pin SIMM was the state-of-the-art the place reminiscence was involved. When you’ve received classic gear, you’ll be able to attempt to seek out previous RAM, or you’ll be able to copy [Bits und Bolts] and make your own.

Beforehand, [Bits und Bolts] constructed a 4 MB SIMM, however he’s now ramped as much as constructing 16 MB RAM sticks — the most important dimension supported by the 30-pin normal. That’s a ton in comparison with most 30-pin sticks from the Nineteen Eighties, which topped out at a feeble 1 MB.

We get to see 4 of his 16 MB sticks put in in a 386 motherboard, set as much as function within the acceptable Quick Web page Mode. He was capable of get the system working with 64 MB of RAM, an quantity nonetheless thought of acceptable within the early Pentium 3 period. Hilariously, memtest took a full ten hours to finish a single move with this configuration. [Bits and Bolts] additionally tried to push the motherboard additional, however wasn’t capable of get it to POST with over 64 MB of RAM.

As [Bits und Bolts] demonstrates, in the event you can learn a schematic and design a PCB, it’s not that arduous to design RAM sticks for a lot of classic computer systems. We’ve seen some other RAM hacks in this vein before, too.

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