NCR RealPOS 7458 - Page 62

3-38 Chapter 3: Hardware Service
Motherboard Interface Connector
View Looking Into Board
25
26
21
22
20 18
17
24
23
PIN ASSIGNMENTS
1 SYNC 2 SDOUT
3 ACRST~ 4 SDIN
5 BITCLK 6 CD_OPEN_A
7 CD_OPEN_B 8 CD_ST_AB
9 REFRESH~ 10 CPWOK
11 SD(0) 12 SD(1)
13 SD(2) 14 SD(3)
15 GROUND 16 USBDT0 +
17 USBDT0 - 18 GROUND
19 USBDT1 + 20 USBDT1 -
21 GROUND 22 USBDT2 +
23 USBDT2 - 24 GROUND
25 USBDT3 + 26 USBDT3 -
16
15 13
14
11
12
9
10
7 5 3 1
8
6 4 2
19
Connector: Molex C-GRID #70247-2601