Aplex Technology APC-3519 - Manual (Page 21)

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1. RTC1/SRTC1:
(2.0mm Pitch 1X2 Pin Header)CMOS clear jumper, CMOS clear operation will permanently
reset old BIOS settings to factory defaults.
RTC1/SRTC1 CMOS
Open or
（RTC1Pin1-SRTC1 Pin close）
NORMAL (Default)
Close 1-2 Clear CMOS
Procedures of CMOS clear:
a) Turn off the system and unplug the power cord from the power outlet.
b) To clear the CMOS settings, use the jumper cap to close pins1 and 2 for about 3
seconds then reinstall the jumper clip back to pins open.
c) Power on the system again.
d) When entering the POST screen, press the <DEL> key to enter CMOS Setup
Utility to load optimal defaults.
e) After the above operations, save changes and exit BIOS Setup.
2. BAT1 :
(1.25mm Pitch 1X2 box Pin Header) 3.0V Li battery is embedded to provide power for
CMOS.
Pin# Signal Name
Pin1 VBAT
Pin2 Ground
3. PS_SEL:
(2.0mm Pitch 1X3 Pin Header),DC in Power and ATX 12V_IN Power jumper setting.
PS_SEL Mode
Close 1-2 DC in Power (Default)
Close 2-3 ATX 12V_IN Power
4. PS_ON:
(2.0mm Pitch 1X2 Pin Header),ATX Power and Auto Power on jumper setting.
PS_ON Mode
Close 1-2 Auto Power on (Default)
Open 1-2 ATX Power