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X9DRW-CF31/X9DRW-CTF31 Motherboard User's Manual
Universal Serial Bus (USB)
Four Universal Serial Bus ports (USB
0/1, 2/3) are located on the I/O back
panel. In addition, one USB header,
located close to the LSI 3108 chip,
provides two front-accessible USB
connections (USB 4/5). (Cables are
not included). See the tables on the
right for pin definitions.
UID
LED3
5
JBAT1
BMC
JSD1
JBT1
BIOS
Intel
PCH
LAN2
LAN1 USB2/3 USB0/1
VGA
LAN
i350 (-CF31)
X540 (-CTF31)
COM1
IPMI_LAN
CLOSE 1st
CPU2
OPEN 1st
X9DRW-CF31
BAR CODE
Rev. 1.01
CLOSE 1st
CPU1
OPEN 1st
FAN1
2-20
Backplane USB
(USB 0/1, 2/3)
Pin Definitions
USB 4
Pin # Definition
Pin# Definition
1
1
+5V
2
2
PO-
3
3
PO+
4
4
Ground
5
5
NA
1. Backpanel USB 0
2. Backpanel USB 1
3. Backpanel USB 2
4. Backpanel USB 3
5. Front Accessible USB 4/5
2
4
1
3
FP USB (4/5)
Pin Definitions
USB 5
Pin # Definition
+5V
1
+5V
PO-
2
PO-
PO+
3
PO+
Ground
4
Ground
NC
5
Key
(NC= No connection)
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