81 Chapter 5
SATA1: Serial ATA connectors
These connectors are used to support the Serial ATA 3Gb/s devices, simpler disk drivecabling and easier PC
assembly. It eliminates limitations of the current Parallel ATAinterface. But maintains register compatibility and
sofeware compatibility with PrallelATA.
F_USB2~3: Front Panel USB headers
The motherboard has four USB 2.0 headers supporting four USB 2.0 ports. Addition-ally, some computer
cases have USB ports at the front of the case. If you have thiskind of case, use auxiliary USB connector to
connect the front-mounted ports to themotherboard.
NOTE: Please make sure that the USB cable has the same pin assignment asindicated above. A different pin
assignment may cause damage or systemhang-up.
SPDIFO: SPDIF out header
This is an optional header that provides an SPDIFO (Sony/Philips Digital Interface)output to digital multimedia
device through optical fiber or coaxial connector.
Pin Signal Name Pin Signal Name
1Ground 2TX+
3 TX- 4 Ground
5 RX- 6 RX+
7 Ground
Pin Signal Name Function
1 USBPWR Front Panel USB Power
2 USBPWR Front Panel USB Power
3 DATA0- USB Port 0 Negative Signal
4 DATA1- USB Port 1 Negative Signal
5 DATA0+ USB Port 0 Positive Signal
6 DATA1+ USB Port 1 Positive Signa
7 GND Ground
8 GND Ground
9 NC Not connected
10 USB DET USB DET
Pin Signal Name
1VCC
2 KEY
3 SPDIFOUT
4GND
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