Chapter 2 Installations
J14: VGA CRT Connector
J14 is a 15-pin VGA CRT connector. The pin assignments are as follows:
Signal Name
J15: External Keyboard Connector
1
5
J16: Keyboard Connector
J16 Pin #
1
2
3
4
5
6
28
Pin
Pin
Signal Name
Red
1
2
Blue
3
4
GND
5
6
GND
7
8
N.C.
9
10
N.C.
11
12
HSYNC
13
14
NC
15
J15 Pin #
Signal Name
1
Keyboard clock
2
Keyboard data
3
PG
4
GND
5
Vcc
Signal Name
Keyboard data
N.C.
GND
5V
Keyboard clock
N.C.
CI5TTV User's Manual
Green
N.C.
GND
GND
GND
N.C.
VSYNC