Справочник Пользователя для Intel D975XBX
Installing and Replacing Desktop Board Components
41
Front Panel Audio Header
Figure 22, A on page 40 shows the location of the yellow front panel audio header. Table 5 shows
the pin assignments for the front panel audio header.
the pin assignments for the front panel audio header.
Table 5.
Front Panel Audio Header Signal Names
Pin Signal
Name
Pin Signal
Name
1
Port1L
2
GND
3 Port1R
4 Presence#
5 Port2R
6 Sense1
Ret
7
Sense Send
8
Key (no pin)
9 Port2L
10
Sense2
Ret
IEEE 1394a Header
See Figure 22, C for the location of the blue IEEE 1394a header. Table 6 shows the pin
assignments for the header.
assignments for the header.
Table 6.
IEEE 1394a Header 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
USB 2.0 Headers
See Figure 22, B for the location of the black USB 2.0 headers. Table 7 shows the pin assignments
for the headers.
for the headers.
Table 7.
USB 2.0 Header Signal Names
USB Port A
USB Port B
Pin
Signal Name
Pin
Signal Name
1 Power
2
Power
3 D-
4
D-
5 D+
6
D+
7 Ground
8
Ground
9 Key
10
No
connect
Note: USB ports may be assigned as needed.