NCR 7458 - Manual (Page 77)

Chapter 3: Hardware Service 3-53
Connector Pin-Out Identification
Primary Power (PS1)
Pin Name Function
1 +3.3 V +3.3 volts VCC_3.3
2 +3.3 V +3.3 volts VCC_3.3
3 GND Ground
4 +5 V + 5 volts Vcc
5 GND Ground
6 +5 V + 5 volts Vcc
7 GND Ground
8 PWG Power Good
9 +5 VSB Standby +5 volts
10 +12 V + 12 volts
11 +3.3V +3.3 volts VCC_3.3
12 -12 V - 12 volts
13 GND Ground
14 ~REM_EN Power on(Low Active)
15 GND Ground
16 GND Ground
17 GND Ground
18 -5V -5 volts –5V
19 +5v + 5 volts Vcc
20 +5v + 5 volts Vcc