74AHC273

CPU

GeraKuznetsov

9

FRONT PWB

Schematics of the PC-Engine CD-ROM2 - Includes comments about differences between CDR-30A and the older CDR-30

rgalland

7

1802 Mini SPI DMA

SPI Expansion Board for the 1802/Mini Computer

arhefner

2

p2000t ram expansion board 1056kb

RAM expansion board for the P2000T

ifilot

1

p2000t ram expansion board 2080kb

RAM expansion board for the P2000T

ifilot

1

pc 04 alu backplane

custom 8bit microprocessor project

ksmonkey123

1

extrom

Dragon Pal with External Character Rom for Rev 3.1

jimbro1000

0

propeller vga board

Homebrew 6502-based computer

ifilot

0