UNKNOW 14 pin connector at the motherboard
| Pin | Name |
|---|---|
| 1 | +12 volts |
| 2 | + 5 volts |
| 3 | + 5 volts |
| 4 | /VSYNC |
| 5 | /HSYNC |
| 6 | VIDOUT |
| 7 | Sound |
| 8 | -12 volts |
| 9 | PWM (Brightness control signal) |
| 10 | Ground |
| 11 | Ground |
| 12 | Ground |
| 13 | Ground |
| 14 | Ground |
Apple Macintosh Classic Internal Power
