HP Xw4600 - Workstation - 2 GB RAM Technical Reference Manual page 170

Workstation IEEE 1394 connector
Microphone cable connector (1/8 inch)
Headphone cable connector (1/8 inch)
Line-in audio cable connector (1/8 inch)
Line-out audio cable connector (1/8 inch)
160 Appendix A Appendix A—Connector pins
Pin Signal
1 Power
2 GND
3 TPB-
4 TPB+
5 TPA-
6 TPA+
Pin Signal
1 (Tip) Audio
2 (Ring) Power
3 (Shield) Ground
Pin Signal
1 (Tip) Audio_Left
2 (Ring) Audio_Right
3 (Shield) Ground
Pin Signal
1 (Tip) Audio_In_Left
2 (Ring) Audio_In_Right
3 (Shield) Ground
Pin Signal
1 (Tip) Audio_Out_Left
2 (Ring) Audio_Out_Right
3 (Shield) Ground
ENWW