NCR 7458 - Manual (Page 78)

3-54 Chapter 3: Hardware Service
USB Daughter Card Power (CN12)
Pin Name Function
1 GND Ground
2 GND Ground
3 +5V + 5 volts
4 GND Ground
5 +5V + 5 volts
6 +5V + 5 volts
7 +3.3V +3.3 volts
8 GND Ground
9 +12V + 12 volts
10 +12 V + 12 volts
11 +24V +24 volts
12 +24V +24 volts
13 GND Ground
14 GND Ground
USB Daughter Card (CN12)
Pin Name Function
1 SYNC
2 CD_OPEN_A
3 SDOUT
4 CD_OPEN_B
5 ACRST~