PCB Information
| ROM Chip ID | Region | Known Man. Dates | PCB Type | CIC | SRAM | Decoder/ Logic Circuit | Special Chips |
|---|---|---|---|---|---|---|---|
| SHVC-XW-0 (front) | Japan | 94xx | SHVC-BJ0N-01 | D411A | - | SN74LS00N | - |
| SPAL-XW-0 (front) | PAL | 9441,9440 | SHVC-BJ0N-01 | D413A | - | HD74LS00P | - |
| SPAL-XW-0 (front) (back) | PAL | 9736 | SHVC-1J0N-20 | D413B | - | - | - |
| SHVC-XW-0 (front) | USA | 9418 | SHVC-BJ0N-01 | D411A | - | GD74LS00 | - |
| SHVC-XW-0 (front) | USA | 9425 | SHVC-BJ0N-01 | D411A | - | SN74LS00N | - |
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