Usb Connectors - Dell Inspiron 2500 Factory Service Manual

Ports and Connector Pin-Outs : Dell Inspiron 2500 Systems
Pin Signal
1 EXK_MSDATA
2 KBD_DATA
3 GND
4 EXK_MSPWR
5 EXK_MSCLK
6 KBD_CLK
Shell N/A

USB Connectors

Use the USB connectors 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.
Pin Signal
1 VCC
2 –Data
3 +Data
4 Ground
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I/O Definition
I/O 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
Definition
Cable power
N/A
N/A
Cable ground