PCB Information
| ROM Chip ID | Region | Known Man. Dates | PCB Type | CIC | SRAM | Decoder/ Logic Circuit | Special Chips |
|---|---|---|---|---|---|---|---|
| SHVC-S2-0 (front) | Japan | 9219 | SHVC-2A0N-01 | D411 | - | SN74LS00N | - |
| SPAL-S2-0 (front) (back) | PAL | 9231 | SHVC-1A0N-10 | D413A | - | - | - |
| SPAL-S2-0 (front) (back) | PAL | 9240 | SHVC-2A0N-01 | D413A | - | SN74LS00N | - |
| SPAL-S2-0 (front) | PAL | 9318 | SHVC-1A0N-20 | D413A | - | - | - |
| Prototype (front) (back) | USA | 92-04-13 | SHVC-4P5B-01 | D411 | - | SNLS138N | - |
| SNS-S2-0 (front) | USA | 9223 | SHVC-2A0N-01 | D411 | - | SN74LS00N | - |
| SNS-S2-0 (front) | USA | 9232 | SHVC-1A0N-10 | D411 | - | - | - |
| SNS-S2-0 (front) | USA | 9249 | SHVC-1A0N-20 | D411A | - | - | - |
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