Dell Inspiron 2100 Manual page 59

Ports and Connector Pin-Outs : Dell Inspiron 2100
PS/2 Connector
Use the 6-hole, miniature DIN PS/2 connector to attach PS/2-compatible devices such as a mouse,
keyboard, or external numeric keypad. If you reconfigure your hardware, you may need pin number
and signal information for the PS/2 connector.
Pin Signal
1 EXK_MSDATA I/O
2 KBD_DATA
3 GND
4 EXK_MSPWR
5 EXK_MSCLK
6 KBD_CLK
Shell N/A
USB Connector
Use the USB connector to attach one or more USB devices, such as a mouse, to the computer. USB is
a peripheral standard that enables automatic detection of USB-compliant peripheral devices.
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I/O Definition
External keyboard/keypad/mouse data
I Keyboard data
N/A Signal ground
N/A External keyboard/keypad/mouse supply voltage
I/O External keyboard/keypad/mouse clock
I Keyboard clock
N/A Chassis ground