Intel Desktop Board DQ45CB Technical Product Specification

2.2.2.1 Signal Tables for the Connectors and Headers

Table 12. HD Audio Link Header

Pin Signal Name Pin Signal Name

1 BCLK 2 Ground

3 RST# 4 DVDD IO

5 SYNC 6 Ground

7 SDO 8 3.3 V DVDD CORE

9 SDI0 10 +12 V

11 SDI1 12 Key (no pin)

13 Not connected 14 3.3 V DUAL

15 Not connected 16 Ground

Table 13. Front Panel Audio Header for HD Audio

Pin Signal Name Pin Signal Name

1 [Port 1] Left channel 2 Ground

3 [Port 1] Right channel 4 PRESENCE# (Dongle present)

5 [Port 2] 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 14. Front Panel Audio Header for AC ’97 Audio

Pin Signal Name Pin Signal Name

1 MIC 2 AUD_GND

3 MIC_BIAS 4 AUD_GND

5 FP_OUT_R 6 FP_RETURN_R

7 AUD_5V 8 KEY (no pin)

9 FP_OUT_L 10 FP_RETURN_L

Table 15. Serial ATA Connectors

Pin Signal Name

1 Ground

2 TXP

3 TXN

4 Ground

5 RXN

6 RXP

7 Ground