17
Installing the Motherboard
F_USB1~2: Front Panel USB 2.0 headers
The motherboard has two USB 2.0 headers supporting four USB 2.0 ports. Addition-
ally, some computer cases have USB 2.0 ports at the front of the case. If you have
this kind of case, use auxiliary USB 2.0 connector to connect the front-mounted
ports to the motherboard.
Please 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.
1
USBPWR
Front Panel USB Power
2
USBPWR
Front Panel USB Power
3
USB_FP_P0-
USB Port 0 Negative Signal
4
USB_FP_P1-
USB Port 1 Negative Signal
5
US
USB Port 0 Positive Signal
6
US
USB Port 1 Positive Signal
7
GND
Ground
8
GND
Ground
9
Key
No pin
10
NC
Not connected
Pin
Signal Name Function
SATA1~4: Serial ATA connectors
These connectors are used to support the Serial ATA 3.0Gb/s device, simpler disk
drive cabling and easier PC assembly. It eliminates limitations of the current Parallel
ATA interface. But maintains register compatibility and software compatibility with
Parallel ATA.
1
Ground
2
TX+
3
TX-
4
Ground
5
RX-
6
RX+
7
Ground
-
-
Pin
Signal Name
Pin
Signal Name