Intel ECB-865 user manual Internal Keyboard Connector J24, 11.33 PS/2 Keyboard Connector J26

ECB-865

3.11.32Internal Keyboard Connector (J24)

Signal	PIN
KCLK	1
KDAT	2
NC	3
GND	4
VCC	5

3.11.33PS/2 Keyboard Connector (J26)

Signal	PIN		Signal
NC	6	5	KCLK

VCC	4			3	GND
NC		2	1		KDAT

3.11.34Signal 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.

3.11.35PS/2 Mouse Connector (J26)

Signal	PIN		Signal
MCLK	6	5	NC

VCC	4			3	GND
MDAT		2	1		NC

3.11.36Signal 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.

ECB-865 User’s Manual 43