Dell 745N manual PS/2-Compatible Keyboard and Mouse Connectors

Table B-2. Serial Connector Pin Assignments (continued)

Pin	Signal	I/O	Definition
8	CTS	I	Clear to send
9	RI	I	Ring indicator
Shell	N/A	N/A	Chassis ground

PS/2-Compatible Keyboard and Mouse Connectors

The PS/2-compatible keyboard and mouse cables attach to 6-pin, miniature DIN connectors. Figure B-3 illustrates the pin numbers for these connectors and Table B-3 defines the pin assignments for these connectors.

Figure B-3. PS/2-Compatible Keyboard and Mouse Connector Pin Numbers

Table B-3. Keyboard and Mouse Connector Pin Assignments

Pin	Signal	I/O	Definition
1	KBDATA or	I/O	Keyboard data or mouse data
	MFDATA
2	NC	N/A	No connection
3	GND	N/A	Signal ground
4	FVcc	N/A	Fused supply voltage
5	KBCLK or	I/O	Keyboard clock or mouse clock
	MFCLK
6	NC	N/A	No connection
Shell	N/A	N/A	Chassis ground

I/O Connectors

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