Intel ECB-865 User Manual
ECB-865
ECB-865 User’s Manual 43
3.11.32 Internal Keyboard Connector (J24)
Signal
PIN
KCLK
1
KDAT
2
NC
3
GND
4
VCC
5
3.11.33 PS/2 Keyboard Connector (J26)
Signal
PIN
Signal
NC
6
5
KCLK
VCC
4
3
GND
NC
2
1
KDAT
3.11.34 Signal Description – Int. & PS/2 Keyboard Connector (J24, J26)
KCLK
Bi-directional clock signal used to strobe data/commands from/to the PC-AT keyboard.
KDAT
Bi-directional serial data line used to transfer data from or commands to the PC-AT
keyboard.
keyboard.
3.11.35 PS/2 Mouse Connector (J26)
Signal
PIN
Signal
MCLK
6
5
NC
VCC
4
3
GND
MDAT
2
1
NC
3.11.36 Signal Description – PS/2 Mouse Connector (J26)
MCLK
Bi-directional clock signal used to strobe data/commands from/to the PS/2 mouse.
MDAT
Bi-directional serial data line used to transfer data from or commands to the PS/2 mouse.