Back to Contents Page

Pin Assignments for I/O Connectors

Dell™ Inspiron™ 8500 Service Manual

  USB Connector

  Video Connector

  Parallel Connector

  S-Video TV-Out Connector

  Serial Connector

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

Parallel Connector

Pin	Signal	Pin	Signal
1	STROBE–	10	ACK–
2	PD0	11	BUSY
3	PD1	12	PE
4	PD2	13	SLCT
5	PD3	14	AFD/3M–
6	PD4	15	ERROR–
7	PD5	16	INIT–
8	PD6	17	SLIN–
9	PD7	18-25	GND

S-Video TV-Out Connector

S-Video
Pin	Signal
1	GND
2	GND
3	DLUMA-L
4	DCRMA-L

Composite Video
Pin	Signal
5	NC
6	DCMPS-L
7	GND

Serial Connector

Pin	Signal	Pin	Signal
1	DCD	6	DSR
2	RXDA	7	RTS
3	TXDA	8	CTS
4	DTR	9	RI
5	GND

Back to Contents Page