BitsUndBolts BitsUndBolts
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Description
30-PIN SIMM with EDO-2-FPM Mod
This memory PCB allows you to create high capacity 4MB SIMM modules for older PCs, Macs, and other vintage computers.
With a few alterations to the original schematics, this PCB allows you to configure EDO memory chips to behave like FPM chips.
Therefore, you can use EDO chips on older hardware that only supports FPM memory.
The original schematics were taken from UpLateGeek GitHub.
Configuration:
"DEFAULT" follows the original schematics from UpLateGeek (supports FPM memory)
"EDO 2 FPM" changes the schematics to configure EDO memory chips to act like FPM modules (supports EDO and FPM memory)
Cheers,
BitsUndBolts
May 18,2023
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30-PIN SIMM with EDO-2-FPM Mod
2 Layers PCB 20.6 x 88.9 mm FR-4, 1.2 mm, 1, HASL with lead, Green Solder Mask, White silkscreen
Mix EDO with FPM memory chips or make EDO chips compatible with older systems that only support the FPM access mode.
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Published: May 18,2023
Download Gerber file 95
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File Last Updated: 2023/05/18 (GMT+8)
File update record
2023-05-1811:32:32
Parts List (BOM) is updated.
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- Gabor Hevizi Apr 06,2024
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