Available on the Nintendo GameBoy. UNKNOWN CONNECTOR at the GameBoy. Pin | Name | Description | 1 | VCC | +5 VDC | 2 | ? | ? Connected on Gameboy, but not used on GamePaks. | 3 | /RESET | Reset | 4 | /WR | Write | 5 | ? | ? Used by paging PAL on high capacity GamePaks. | 6 | A0 | Address 0 | 7 | A1 | Address 1 | 8 | A2 | Address 2 | 9 | A3 | Address 3 | 10 | A4 | Address 4 | 11 | A5 | Address 5 | 12 | A6 | Address 6 | 13 | A7 | Address 7 | 14 | A8 | Address 8 | 15 | A9 | Address 9 | 16 | A10 | Address 10 | 17 | A11 | Address 11 | 18 | A12 | Address 12 | 19 | A13 | Address 13 | 20 | A14 | Address 14 | 21 | /CS | Chip Select | 22 | D0 | Data 0 | 23 | D1 | Data 1 | 24 | D2 | Data 2 | 25 | D3 | Data 3 | 26 | D4 | Data 4 | 27 | D5 | Data 5 | 28 | D6 | Data 6 | 29 | D7 | Data 7 | 30 | /RD | Read | 31 | ? | ? Connected on Gameboy, but not used on Game-Paks. | 32 | GND | Ground |
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