Vga Video Port; Keyboard And Mouse; Parallel Port - NEC LC1400 Service & Reference Manual

VGA Video Port

Pin Signal
1 Red
2 Green
3 Blue
4 NC
5 GND
6 GND
7 GND
8 GND

Keyboard and Mouse

The keyboard and mouse connectors are functionally equivalent.
Pin Keyboard signal
1 KEYDAT
2 NC
3 GND
4 FUSED_VCC (+5 V)
5 KEYCLK
6 NC

Parallel Port

Pin Signal
1 STROBE_L
2 Data bit 0
3 Data bit 1
4 Data bit 2
5 Data bit 3
6 Data bit 4
7 Data bit 5
8 Data bit 6
9 Data bit 7
E-8 Connectors
Video Port Connector Pinout
Pin
9
10
11
12
13
14
15
Keyboard and Mouse Connector Pinouts
Parallel Port Connector Pinout
Pin
10
11
12
13
14
15
16
17
18 25
Signal
NC
GND
NC
DDCDAT
HSYNC
VSYNC
DDCCLK
Pin Mouse signal
1 MSEDAT
2 NC
3 GND
4 FUSED_VCC (+5 V)
5 MSECLK
6 NC
Signal
ACK_L
Busy
PE
SLCT
AUFDXT_L
ERROR_L
INIT_L
SLCTIN_L
GND