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 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