P4M80-M4
15
JUSB3/JUSB4: Front USB Headers
This motherboard provides 2 USB 2.0 headers, which allows user to connect
additional USB cable on the PC front panel, and also can be connected with
internal USB devices, like USB card reader.
Pin
Assignment
1 +5V
(fused)
2 +5V
(fused)
3 USB-
4 USB-
5 USB+
6 USB+
7 Ground
8 Ground
9 Key
1
2
9
10
JUSB4
JUSB3
PU
10
NC
JCMOS1: Clear CMOS Header
By placing the jumper on pin2-3, it allows user to restore the BIOS safe setting
and the CMOS data, please carefully follow the procedures to avoid damaging
the motherboard.
1
3
Pin 1-2 Close:
Normal Operation (default).
1
3
PU
1
3
Pin 2-3 Close:
Clear CMOS data.
※
Clear CMOS Procedures:
1.
Remove AC power line.
2.
Set the jumper to “Pin 2-3 close”.
3.
Wait for five seconds.
4.
Set the jumper to “Pin 1-2 close”.
5.
Power on the AC.
6.
Reset your desired password or clear the CMOS data.
