Power connectors

3.5" power connector AT Power connector
5.25" power connector Commodore 64 power connector
ATX Power connector AT Backup Battery

 

3.5" Power connector
Pin Name Color Description
1 +5V   Red +5 VDC
2 GND   Black +5 V Ground
3 GND   Black +12 V Ground (Same as +5 V Ground)
4 +12V   Yellow +12 VDC

5.25" Power connector
Pin Name   Color Description
1 +12V   Yellow +12 VDC
2 GND   Black +12 V Ground (Same as +5 V Ground)
3 GND   Black +5 V Ground
4 +5V   Red +5 VDC

ATX Power Supply connector
At the motherboard At the cable
Pin Name   Color Description
1 3.3V   Orange +3.3 VDC
2 3.3V   Orange +3.3 VDC
3 COM   Black Ground
4 5V   Red +5 VDC
5 COM   Black Ground
6 5V   Red +5 VDC
7 COM   Black Ground
8 PWR_OK   Gray Power Ok (+5V & +3.3V is ok)
9 5VSB   Purple +5 VDC Standby Voltage (max 10mA)
10 12V   Yellow +12 VDC
11 3.3V   Orange +3.3 VDC
12 -12V   Blue -12 VDC
13 COM   Black Ground
14 /PS_ON   Green Power Supply On (active low)
15 COM   Black Ground
16 COM   Black Ground
17 COM   Black Ground
18 -5V   White -5 VDC
19 5V   Red +5 VDC
20 5V   Red +5 VDC

AT Power connector

P8

Pin Name Color Description
1 PG   Orange Power Good, +5 VDC when all voltages has stabilized.
2 +5V   Red +5 VDC (or n/c)
3 +12V   Yellow +12 VDC
4 -12V   Blue -12 VDC
5 GND   Black Ground
6 GND   Black Ground

P9

Pin Name Color Description
1 GND   Black Ground
2 GND   Black Ground
3 -5V   White or Yellow -5 VDC
4 +5V   Red +5 VDC
5 +5V   Red +5 VDC
6 +5V   Red +5 VDC

C64 Power Supply connector
Pin Name
1 Shield Ground
2 Shield Ground
3 Shield Ground
4 nc
5 +5v In
6 9Vac in
7 9Vac in

AT Backup Battery connector
Pin Name Description
1 BATT+ Battery+
2 key Key
3 GND Ground
4 GND Ground