Installing and Replacing Desktop Board Components
47
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 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
Serial Port Header
See Figure 21, C on page 45 for the location of the serial port header. Table 9 shows
the pin assignments for the serial port header.
Table 9. Serial Port Header Signal Names
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
No
Connection
HD Audio Link Header
See Figure 21, D for the location of the HD Audio Link header. Table 10 shows the pin
assignments for the header.
Table 10. HD Audio Link Header Signal Names
Pin Signal
Name
Pin Signal
Name
1
BCLK
2
Ground
3 RST#
4 DVDD_IO
5 SYNC
6 Ground
7 SDO
8 3.3V_DVDD_CORE
9 SDI0
10
+12
V
11 SDI1
12 Key
13 No
Connection
14 3.3V_DUAL
15 No
Connection
16 Ground