Dell Inspiron 4000 Service Manual page 16

Pin Signal
1 EXK_MSDATA
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.
Pin Signal
1 VCC
2 – Data
3 +Data
4 Ground
Video Connector
Use the 15-pin video connector to attach an external monitor to the computer. If the image does not appear on the monitor immediately, press <Fn><F8>.
Pin Signal
1 RED
2 GREEN
3 BLUE
4 DDC2_MONID2
5 GND
6 GND
7 GND
8 GND
9 CRTVCC
10 GND
11 M-SEN#
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
I/O Definition
O Red video
O Green video
O Blue video
I Monitor detect ID2
N/A Signal ground
N/A Signal ground
N/A Signal ground
N/A Signal ground
O 5-V power source for CRT
N/A Signal ground
I Digital monitor sense/monitor detect ID1