PCB Information
| ROM Chip ID | Region | Known Man. Dates | PCB Type | CIC | SRAM | Decoder/ Logic Circuit | Special Chips |
|---|---|---|---|---|---|---|---|
| SHVC-X2-0 (front) | Japan | 9414,9409 | SHVC-1B3B-01 | D411A | 64k | 74LS139AN / SN74HCU04N | DSP-3 |
| SHVC-X2-0 (front) | Japan | 9424,9413 | SHVC-1B3B-01 | D411A | 64k | 74LS139AN / SN74HCU04N | DSP-3 |
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