PCB Information
| ROM Chip ID | Region | Known Man. Dates | PCB Type | CIC | SRAM | Decoder/ Logic Circuit | Special Chips |
|---|---|---|---|---|---|---|---|
| Prototype (front) | Japan | - | SHVC-2P3B-01 | D411A | 64k | MC74LS139N | - |
| SHVC-UN-1 (front) | Japan | 94xx | SHVC-1A0N-20 | D411A | - | - | - |
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