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Intel Desktop Board D975XBX2 Product Guide
46
USB 2.0 Headers
See Figure 24, D for the location of the black USB 2.0 headers. Table 7 shows the pin
assignments 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 (+5V) 2 Power (+5V)
3 D- 4 D-
5 D+ 6 D+
7 Ground 8 Ground
9 Key 10 No connection
Note: USB ports may be assigned as needed.
Front Panel Audio Header
Figure 24, E on page 44 shows the location of the yellow front panel audio header.
Table 8 shows the pin assignments for t
he front panel audio header.
Table 8. 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