HP AMD Geode ECM-5510 - Manual (Page 50)

ECM-5510
50 ECM-5510 User’s Manual
2.4.21 Keyboard & Mouse Connector (CN11)
Signal PIN PIN Signal
KDAT 1 2 KCLK
GND 3 4 +5V
MDAT 5 6 MCLK
NC 7 8 NC
2.4.21.1 Signal Description – Keyboard & Mouse Connector (CN11)
Signal Signal Description
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.
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.