User guide

AR-B1640 User’s Guide
8
1 2 3
2.2 POWER ON CONNECTOR FOR ATX POWER SUPPLY (ATX1)
•
ATX POWER BUTTON (BTON1)
1 2
2.3 CLEAR CMOS (JP4)
If want to clear the CMOS Setup (for example when you forgot the password, please clear the setup and then set
the password again.), you should close the pin 2-3 about 3 seconds, then open again, set back to normal operation
mode, close the pin 1-2.
1
3
PIN Signal
1 PSON
2 VCC
3 5VSB
Pin Signal
1 -PWBN
2 GND
JP4 FUNCTION
1-2 ON
Normal Operation
(Factory Preset)
2-3 ON Clear CMOS
* When AT power supplier is applied, jumpe
r
2&3 should be tied together. (Factor
y
preset)
* When ATX power supplier is applied,
pin1&pin 3 should be connect to prope
r
location of ATX power supplier.