Intel DH57DD Intel Desktop Board DH57DD Product Guide English - Page 46

Front Panel Audio Header, IEEE 1394a Headers

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Intel Desktop Board DH57DD Product Guide Front Panel Audio Header The front panel audio header shown in Figure 22, A supports both Intel High Definition (HD) Audio and AC '97 Audio. Table 7 shows the pin assignments and signal names for HD Audio and Table 8 shows the pin assignments and signal names for AC '97 Audio. Table 7. Front Panel Audio Signal Names for Intel HD Audio Pin Signal Name 1 PORT 1L (Microphone) 3 PORT 1R (Microphone) Pin Signal Name 2 GND 4 PRESENCE# 5 PORT 2R (Headphone) 6 SENSE1_RETURN 7 SENSE_SEND 9 PORT 2L (Headphone) 8 KEY (no pin) 10 SENSE2_RETURN Table 8. Front Panel Audio Header Signal Names for AC '97 Audio Pin Signal Name 1 MIC 3 MIC_BIAS 5 FP_OUT_R 7 No connect 9 FP_OUT_L Pin Signal Name 2 AUD_GND 4 PRESENCE# 6 AUD_GND 8 KEY (no pin) 10 AUD_GND IEEE 1394a Headers See Figure 22, B for the location of the IEEE 1394a headers. Table 9 shows the pin assignments for the headers. Table 9. IEEE 1394a Headers Signal Names Pin Signal Name 1 TPA1+ 3 Ground 5 TPA2+ 7 +12 V 9 Key (no pin) Pin Signal Name 2 TPA1- 4 Ground 6 TPA2- 8 +12 V 10 Ground 46

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Intel Desktop Board DH57DD Product Guide
46
Front Panel Audio Header
The front panel audio header shown in Figure 22, A supports both Intel High Definition
(HD) Audio and AC ’97 Audio.
Table 7 shows the pin assignments and signal names for HD Audio and Table 8 shows
the pin assignments and signal names for AC ’97 Audio.
Table 7. Front Panel Audio Signal Names for Intel HD Audio
Pin
Signal Name
Pin
Signal Name
1
PORT 1L (Microphone)
2
GND
3
PORT 1R (Microphone)
4
PRESENCE#
5
PORT 2R (Headphone)
6
SENSE1_RETURN
7
SENSE_SEND
8
KEY (no pin)
9
PORT 2L (Headphone)
10
SENSE2_RETURN
Table 8.
Front Panel Audio Header Signal Names for AC ’97 Audio
Pin
Signal Name
Pin
Signal Name
1
MIC
2
AUD_GND
3
MIC_BIAS
4
PRESENCE#
5
FP_OUT_R
6
AUD_GND
7
No connect
8
KEY (no pin)
9
FP_OUT_L
10
AUD_GND
IEEE 1394a Headers
See Figure 22, B for the location of the IEEE 1394a headers.
Table 9 shows the pin
assignments for the headers.
Table 9. IEEE 1394a Headers Signal Names
Pin
Signal Name
Pin
Signal Name
1
TPA1+
2
TPA1-
3
Ground
4
Ground
5
TPA2+
6
TPA2-
7
+12 V
8
+12 V
9
Key (no pin)
10
Ground