H89 MMU (512KB RAM/256KB EEPROM)

H89 MMU BOARD *NOT TESTED

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H89 MMU 512KB/256KB EEPROM  SUPPORT FILES

Schematics

H89_BANK_DECODER

H89_ROM_RAM_DECODER

BOARD_SIDE_1_VIEW

GERBER_FILES

iBOM

Contact Todd Goodman for board order: 

https://retrobrewcomputers.org/doku.php?id=boardinventory#norberto_collado_s_heathkit_h8_h89_boards