Appendix D Connector Pins
This appendix contains the pin assignments for many workstation connectors. Some of these connectors
might not be used on the product being serviced. This appendix contains the following sections:
“Enhanced Keyboard” on page 164
“Mouse” on page 164
“Ethernet RJ-45” on page 164
“Parallel Interface” on page 165
“Serial Interface” on page 165
“USB” on page 165
“Microphone” on page 166
Appendix D
“Headphone” on page 166
“Line-In Audio” on page 166
“Line-Out Audio” on page 166
“Ultra SCSI” on page 167
“SATA” on page 167
“Monitor” on page 168
“ATA/ATAPI (IDE) Standard Drive Cable” on page 168
“24-Pin Power” on page 169
“4-Pin Power (for CPU)” on page 169
“6-Pin PCI Express” on page 169
“DVI-I Signals” on page 170
163
Enhanced Keyboard
Connector and Icon Pin Signal
Mouse
Connector and Icon Pin Signal
Ethernet RJ-45
1
2
3
4
5
6
1
2
3
4
5
6
Data
Unused
Ground
+5 VDC
Clock
Unused
Data
Unused
Ground
+5 VDC
Clock
Unused
Connector and Icon Pin Signal
1
2
3
4
5
6
7
8
(+) Transmit Data
(-) Transmit Data
(+) Receive Data
Unused
Unused
(-) Receive Data
Unused
Unused
164 CONNECTOR PINS
Parallel Interface
Connector and Icon
Pin Signal Pin Signal Pin Signal
Appendix D
1
2
3
4
5
6
Strobe
Data Bit 0
Data Bit 1
Data Bit 2
Data Bit 3
Data Bit 4
Serial Interface
Connector and Icon Pin Signal
7
8
9
10
11
12
Data Bit 5
Data Bit 6
Data Bit 7
Acknowledge
Busy
Paper End
1
2
3
4
5
6
7
8
9
13
14
15
16
17
18–25
Carrier Detect
Receive Data
Transmit Data
Data Terminal Ready
Signal Ground
Data Set Ready
Request to Send
Clear to Send
Ring Indicator
Select
Auto Linefeed
Error
Initialize Printer
Select IN
Signal Ground
USB
Cable connector and Icon Pin Signal
1
2
3
4
+5 VDC
- Data
+ Data
Ground
PARALLEL INTERFACE 165