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PB 301 RAM Memory Upgrade - Motherboard A

Motherboard A

Total Memory

DRAMs (80ns) BANK 0

DRAMs (80ns) BANK 1

Simms (80ns) BANK 3

Simms (80ns) BANK 4

Extended Memory
 
1MB (8)44256 (4)41256 384
2MB (8)44256 (4)41256 (2)256K X 9 (2)256K X 9 1408
3MB (8)44256 (4)41256 (2) 1MB X 9 2432
5MB (8)44256 (4)41256 (2) 1MB X 9 (2) 1MB X 9 4480