Game Gear:Connector Pinouts
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Game Cartridge
Pinout sourced from GameSX.
| Pin | Name | Description | Pin | Name | Description | |
|---|---|---|---|---|---|---|
| 01 | +34(V) | Liquid drive | 24 | MREQ | Memory Request | |
| 02 | +5(V) | +5(V) | 25 | A10/TPR2 | Address | |
| 03 | /WR | Write signal | 26 | /RD | Read signal | |
| 04 | A12 | Address | 27 | /EXM 2 | 0~7FFFH | |
| 05 | A7/CL1B3 | Address | 28 | A15 | Address | |
| 06 | A6/CL1A2 | Address | 29 | A11 | Address | |
| 07 | A5/CL1B2 | Address | 30 | A9/TPR1 | Address | |
| 08 | A4/CL1A1 | Address | 31 | A8/CLIA3 | Address | |
| 09 | A3/CL1B1 | Address | 32 | A13 | Address | |
| 10 | A2/DW | Address | 33 | A14 | Address | |
| 11 | A1/DO3 | Address | 34 | /EXM1 | 8000~BFFFH | |
| 12 | A0/D01 | Address | 35 | +5v | +5 volts | |
| 13 | D0/DB | Data | 36 | /M1 | M1 cycle | |
| 14 | D1/P3 | Data | 37 | IORQ | I/O request | |
| 15 | D2/P2 | Data | 38 | /RFSH | Refresh | |
| 16 | GND D | Ground | 39 | /RESET | Reset | |
| 17 | GND A | Ground | 40 | CCLK | Clock | |
| 18 | GND D | Ground | 41 | GND | Ground | |
| 19 | D3/P4 | Data | 42 | /GG | MS/GG | |
| 20 | D4/P1 | Data | 43 | /TV | TV cart | |
| 21 | D5/CL2 | Data | 44 | TVSNDR | TV right audio | |
| 22 | D6/DO2 | Data | 45 | TVSNDL | TV left audio | |
| 23 | D7/DO4 | Data |