Technical Product Specification
Table Of Contents
- Intel® Desktop Board DZ75ML-45K Technical Product Specification
- Revision History
- Preface
- Contents
- 1 Product Description
- 2 Technical Reference
- 3 Overview of BIOS Features
- 4 Error Messages and Beep Codes
- 5 Regulatory Compliance and Battery Disposal Information

Technical Reference
45
2.2.2.1 Signal Tables for the Connectors and Headers
Table 14. Front Panel Audio Header for Intel 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 15. 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 16. Front Panel USB 2.0 Headers
Pin
Signal Name
Pin
Signal Name
1
+5 V DC
2
+5 V DC
3 D- 4 D-
5 D+ 6 D+
7 Ground 8 Ground
9
KEY (no pin)
10
No Connect