NCR 7458 - Manual (Page 86)

3-62 Chapter 3: Hardware Service
LCD Interface (CN4)
Pin Signal Name
1 DATA2-
2 DATA2+
3 SHIELD2_4
4 DATA4-
5 DATA4+
6 DDCSCK
7 DDCSDA
8 ANALOG V-SYNC
9 DATA1-
10 DATA1+
11 SHIELD1_3
12 DATA3-
13 DATA3+
14 +5v
15 Return for +5V, V-SYNC H-SYNC(GND)
16 HOTDET
17 DATA0-
18 DATA0+
19 SHIELD0_5
20 DATA5-
21 DATA5+
22 SHIELDCLK
23 CLK+