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BIOSTAR Motherboard
(8) COM3 Header: JCOM3 (optional)
Pin Assignment
1
3
5
7
9
(9) Front USB Header: JUSB1/ (JUSB2: optional)
(10) Power Source Selection for USB: JUSBV1/JUSBV2/JUSBV3 (optional)
JUSBV1/JUSBV2
JUSBV3
Pin 1-2 close
1
Pin 2-3 close
1
(11) Case Open Connector: JCI1 (optional)
Pin Assignment
1
2
14 14 14 14 14
English
English
English
English
English
Pin Assignment
RIN1
2
DOUT2
4
Ground
6
DOUT1
8
-XRI1
10
The motherboard provides one/(two) USB 2.0 Pin Header. USB 2.0 technology
increases Data transfer rate up to a maximum throughput of 480 Mbps, which
is 40 times faster than USB 1.1, and is ideal for connecting high-speed USB
interface peripherals such as USB HDD, digital cameras, MP3 players, printers,
modems, etc.
Pin Assignment
Pin Assignment
1
+5V(fused)
2
3
USBP-0/(-6)
4
5
USBP+0/(+6) 6
7
Ground
8
9
KEY
10 NC
Assignment
+5V
3
+5V Standby Voltage
3
Note: In order to power-on USB devices function, "JUSBV1/JUSBV2/
JUSBV3" jumper cap should be placed on pin 2-3 respectively.
Ground
Case Open Signal
RIN3
ROUT3
RIN2
10
RIN4
NA
+5V(fused)
USBP-1/(-7)
USBP+1/(+7)
Ground
Description
JUSBV1: 5V for J1394_USB1
JUSBV2: 5V for JUSBLAN1
JUSBV3: 5V for JUSB1 port.
5V standby to power on.
1
1
9
2
2
1
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