Intel Desktop Board DG31PR Technical Product Specification

2.2.2.1 Signal Tables for the Connectors and Headers

Table 10. Front Panel Audio Header

Pin Signal Name Pin Signal Name

1 [Port 2] Left channel 2 Ground

3 [Port 2] Right channel 4 PRESENCE# (Dongle present)

5 [Port 1] Right channel 6 [Port 1] SENSE_RETURN

7 SENSE_SEND (Jack detection) 8 Key (no pin)

9 [Port 2] Left channel 10 [Port 2] SENSE_RETURN

Table 11. Serial ATA Connectors

Pin Signal Name

1 Ground

2 TXP

3 TXN

4 Ground

5 RXN

6 RXP

7 Ground

Table 12. Serial Port Header

Pin Signal Name Pin Signal Name

1 DCD 2 RXD#

3 TXD# 4 DTR

5 Ground 6 DSR

7 RTS 8 CTS

9 RI 10 Key (no pin)

Table 13. S/PDIF Connector

Pin Signal Name

1 VCC

2 S/PDIF out

3 Ground