Intel Desktop Board DQ67SW Product Guide
54
Front Panel USB 2.0 Headers
Figure 21, I shows the location of the front panel USB 2.0 headers and Table 14 shows
the pin assignments and signal names.
Table 14. Front Panel USB 2.0 Headers Signal Names
Pin Signal Name Pin Signal Name
1 Power (+5 V) 2 Power (+5 V)
3 D- 4 D-
5 D+ 6 D+
7 Ground 8 Ground
9 Key 10 No Connection
NOTE
Computer systems that have an unshielded cable attached to a USB port might not
meet FCC Class B requirements, even if no device or a low-speed USB device is
attached to the cable. Use a shielded cable that meets the requirements for a
full-speed USB device.
IEEE 1394a Header
Figure 21, J shows the location of the IEEE 1394a header. Table 15 shows the pin
assignments and signal names for the IEEE 1394a header.
Table 15. 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
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