Dell 500 - Pin Assignments for I;O Connectors; USB Connector; Video Connector

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Pin Assignments for I/O Connectors
Dell™ 500 Service Manual
USB Connector
Pin Signal
1 USB5V+
2 USBP–
3 USBP+
4 GND
Video Connector
Pin Signal Pin Signal
1 CRT_R 9 5V+
2 CRT_G 10 GND
3 CRT_B 11 MONITOR_DETECT–
4 NC 12 DDC_DATA
5 GND 13 CRT_HS
6 GND 14 CRT_VS
7 GND 15 DDC_CLK
8 GND