VIA EPIA-M910 User Manual
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3.1.
Clear CMOS Jumper
The VIA EPIA-M910 comes with a Clear CMOS jumper. The onboard CMOS RAM stores system
configuration data and has an onboard battery power supply. To reset the CMOS settings, set the jumper
on pins 2 and 3 while the system is off, then return the jumper to pins 1 and 2 afterwards. Setting the
jumper while the system is on will damage the board. The default setting is “Short” pins 1 and 2.
Figure 32: Clear CMOS jumper diagram
Settings
Pin 1
Pin 2
Pin 3
Regular (default)
Short Short Open
Clear CMOS
Open Short Short
Table 31: Clear CMOS jumper settings
Note:
Except when clearing the RTC RAM, never remove the cap from the Clear CMOS jumper default position.
Removing the cap will cause system boot failure. Avoid clearing the CMOS while the system is on; it will
damage the board.
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