Pin assignment of internal ports
Power supply BTX
(ATX compatible)
1
13
Pin | Signal | Pin | Signal |
1 | +3.3 V (P3V3P) | 13 | +3.3 V (P3V3P) |
2 | +3.3 V (P3V3P) | 14 | |
3 | GND | 15 | GND |
4 | +5V (VCC) | 16 | PS on (low asserted) |
5 | GND | 17 | GND |
6 | +5V (VCC) | 18 | GND |
7 | GND | 19 | GND |
8 | Powergood (high asserted) | 20 | |
9 | +5 V Auxiliary (VCC Aux) | 21 | +5 V (VCC) |
10 | +12 V (P12VP) | 22 | +5 V (VCC) |
11 | +12 V (P12VP) | 23 | +5 V (VCC) |
12 |
| 24 | GND |
Additional power supply ATX12 V
3 
1
Pin | Signal | Pin | Signal |
1 | GND | 2 | GND |
3 | +12 V | 4 | +12 V |
14 - English |