Load Default Bios Settings" Jumper (Cmos1) - Kontron KTQ87/mITX User Manual

KTD-N0882-D

6.9 "Load Default BIOS Settings" Jumper (CMOS1)

The "Load Default BIOS Settings" Jumper (CMOS1) can be used to recover from incorrect BIOS
settings. As an example, incorrect BIOS settings coursing no display to turn on can be erased by the
Jumper.
The Jumper has 3 positions: Pin 1-2 (default position), Pin2-3 and not mounted.
!
Warning
Don't leave the jumper in position 2-3,
otherwise if power is disconnected,
the battery will fully deplete within a
few weeks.
To Load Default BIOS Settings, inclusive erasing password and RTC:
1. Turn off power completely (no SB5V).
2. Remove the Jumper completely from CMOS1.
3. Insert jumper into position 2-3 (Clear CMOS data).
4. Wait for 10 sec.
5. Move the Jumper back to position 1-2 (default position).
6. Turn on power (use the Power On Button if required to boot).
7. Motherboard beeps number of times.
8. CMOS data lost message are shown.
9. Reboot and enter BIOS setup menu and select new settings.
Motherboard might automatically reboot a few times. Wait until booting is completed.
CMOS1
pin1-2 pin2-3
X -
- X
- -
Page 41
Description
Default position
Load Default BIOS Settings exclusive erasing Password
No function. Note: may load default BIOS settings after several minutes
Internal Connectors
Always ON Jumper
CMOS1 Jumper
KTQ87/mITX Users Guide