The standard module has no jumper at SCN2, so BIOS settings are kept without a
RTC coin battery, if you need to restore the BIOS to default settings, follow the steps
below:
Pin
2
2-3
Reserved
1.
Remove the coin battery
2.
Put jumper on SCN3 pin2-3
3.
Turn on power supply
4.
The system will boot up a few times
5.
The BIOS will load default setting successfully
1.3.9
Power Management
Power Supply
Supports both ATX and AT power modes. VSB is for suspended power and can be
optional if not required by standby (suspend-to-RAM) support. RTC battery may be
optional if date/timekeeping is not required.
–
Vin: 12V +/- 5%
–
VSB: 5V +/- 5% (Suspend power)
–
RTC Battery Power: 2.0V - 3.3V
PWROK
SOM-C350 User Manual
Function
N/A [Default]
BIOS Clear_CMOS load default setting
or
BIOS Default
Settings
SCN3
8