Leaner, meaner

Update to a smaller board, without buffers and supporting 10MB of static RAM.

Expand RAM Later

Third release before doing another production run:

• Add jumpers for memory size configuration. (memdec.pld handles the feature)
• Add jumper for future 1MB base compatibility.

No Sharp Left Out

Second release before doing another production run:

• Route A20 to GAL to support 1MB RAM machines. This will mask half of one memory chip.
• Reduce power capacitor footprint.

GAL equations not updated to reflect the 1MB machine support. Please request if needed.

Hello RAM

First release! This release has a few tweaks compared to the first production run:

• Fixed edge connector padding
• Grounded CLK pin on GAL
• Silkscreen shows proper SRAM chip size