Ports and Connector Pin-Outs : Dell Inspiron 2100PS/2 ConnectorUse 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 numberand signal information for the PS/2 connector.Pin Signal I/O Definition1 EXK_MSDATA I/O External keyboard/keypad/mouse data2 KBD_DATA I Keyboard data3 GND N/A Signal ground4 EXK_MSPWR N/A External keyboard/keypad/mouse supply voltage5 EXK_MSCLK I/O External keyboard/keypad/mouse clock6 KBD_CLK I Keyboard clockShell N/A N/A Chassis groundUSB ConnectorUse the USB connector to attach one or more USB devices, such as a mouse, to the computer. USB isa peripheral standard that enables automatic detection of USB-compliant peripheral devices.file:///F|/Service%20Manuals/Dell/Inspiron/2100/pinouts.htm (5 of 8) [2/28/2004 6:49:29 AM]