Clear CMOS Data Jumper
The CMOS jumper JP20 is used to clear the system configuration data
currently stored in the CMOS RAM. All system setup information (hard
disk type, date/time, etc...), stored in the CMOS, will be destroyed. This
function would be useful if you were to forget the user password for the
system.
Function
JP20
Normal CMOS Operation
1-2
(Default)
Clear CMOS Data
2-3
Follow these steps to clear CMOS data:
1. Turn power OFF.
2. Open the system cover and gain access to jumper JP20.
3. Change jumper JP20 to 2-3 position for few seconds then move the
jumper block back to 1-2 position again.
4. Replace and secure the system cover.
5. Turn power ON, CMOS data should be cleared.
Display Type Jumper
Display Type
JP16
Video display is VGA, EGA, or
Monochrome.
OPEN
(Default)
Video display is CGA.
SHORT
Page 10 486MI System Board User's Manual