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65 Chapter 5
AUDIO2: Front Panel Audio Header
1394A1: Onboard IEEE 1394a header (optional)
SATA1~4: Serial ATA connectors
R_USB/USB3~4: Front Panel USB headers
NOTE: Make sure that the USB cable has the same pin assignment as indicated above. A different pin
assignment may cause damage or system hang-up.
Pin Signal Name
1PORT 1L
2GND
3PORT 1R
4 PRESENCE#
5PORT 2R
6 SENSE1_RETURN
7 SENSE_SEND
8 KEY
9PORT 2L
10 SENSE2_RETURN
Pin Signal Name Pin Signal Name
1TPA+ 6TPB-
2 TPA1- 7 +12V
3 GND 8 +12V
4GND 9Key
5TPB+ 10GND
Pin Signal Name Pin Signal Name
1 Ground 5 RX-
2TX+ 6RX+
3 TX- 7 Ground
4 Ground
Pin Signal Name Function
1 USBPWR0 Front panel USB power
2 USBPWR1 Front panel USB power
3 USB_FP_P0- USB port 0 negative signal
4 USB_FP_P1- USB port 1 negative signal
5 USB_FP_P0+ USB port 0 positive signal
6 USB_FP_P1+ USB port 1 positive signal
7 GND Ground
8 GND Ground
9 Key No pin
10 USB_FP_OC0 Overcurrent signal