B.2.2. Keyboard and mouse connectors

The pinout of the KMI connectors is shown in Figure B.4.

Figure B.4. KMI connector pinouts

Table B.4 shows signals on the KMI connectors.

Table B.4. Mouse and keyboard port signal descriptions

PinKeyboard (Lower)Mouse (Top)
Signal FunctionSignalFunction
1KDATAKeyboard dataMDATAMouse Data
2NCNot connectedNCNot connected
3GNDGroundGNDGround
45V5V5V5V
5KCLKKeyboard clockMCLKMouse clock
6NCNot connectedNCNot connected
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