Front Panel Hd Audio Header; Hd Audio Link Header; Front Panel Audio Header Signal Names For Intel Hd Audio; Front Panel Audio Header Signal Names For Ac '97 Audio - Intel DG41TX Product Manual

Intel Desktop Board DG41TX Product Guide

Front Panel HD Audio Header

The front panel audio header shown in Figure 21, A supports both Intel HD Audio and
AC '97 Audio.
Table 5 shows the pin assignments and signal names for HD Audio and Table 6 shows
the pin assignments and signal names for AC '97 Audio.
Table 5. Front Panel Audio Header Signal Names for Intel HD Audio
Pin Signal Name
1 PORT 1L (Microphone)
3 PORT 1R (Microphone)
5 PORT 2R (Headphone)
7 SENSE_SEND
9 PORT 2L (Headphone)
Table 6. Front Panel Audio Header Signal Names for AC '97 Audio
Pin Signal Name
1 MIC
3 MIC_BIAS
5 FP_OUT_R
7 No connection
9 FP_OUT_L

HD Audio Link Header

See Figure 21, B for the location of the HD Audio Link header. Table 7 shows the pin
assignments for the header.
Table 7. HD Audio Link Header Signal Names
Pin Signal Name
1 BCLK
3 RST#
5 SYNC
7 SDO
9 SDI0
11 SDI1
13 No Connection
15 No Connection
48
Pin Signal Name
2 GND
4 PRESENCE#
6 SENSE1_RETURN
8 KEY (no pin)
10 SENSE2_RETURN
Pin Signal Name
2 AUD_GND
4 PRESENCE#
6 AUD_GND
8 KEY (no pin)
10 AUD_GND
Pin Signal Name
2 Ground
4 3.3 Vcc
6 Ground
8 3.3 Vcc
10 +12 V
12 Key
14 3.3 V STBY
16 Ground