Kontron KTHM76-mITX - Manual (Page 53)

KTQM77 – KTHM76 Users Guide
KTD-N0850-F Page 53
Warning
Don’t leave the jumper in position 1-2,
otherwise if power is disconnected,
the battery will fully deplete within a
few weeks.
Jumper (in default position)
J37 pin 1
6.11 “Load Default BIOS Settings” Jumper (J37)
The “Load Default BIOS Settings” Jumper (J37) 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, Pin2-3 (default position) and not mounted.
BIOS version 12 and above:
J37
Description
pin1-2 pin2-3
X - Don’t use. (Board do not boot with jumper in this position)
- X Default position
- - Load Default BIOS Settings and erase Password
To Load Default BIOS Settings, inclusive erasing password:
1. Turn off power completely (no SB5V).
2. Remove the Jumper completely from J37.
3. Turn on power.
4. Motherboard beeps fast 20 times and turns off.
5. Turn off power.
6. Move the Jumper back to position 2-3 (default position).
7. Turn on power (use the Power On Button if required to boot).
Motherboard might automatically reboot a few times. Wait until booting is completed.
BIOS version below 12:
J37
Description
pin1-2 pin2-3
X - Load Default BIOS Settings exclusive erasing Password
- X Default position
- - No function
To Load Default BIOS Settings, exclusive erasing Password and RTC:
1. Turn off power completely (no SB5V).
2. Move the Jumper to pin 1-2 for ~10 seconds.
3. Move the Jumper back to position 2-3 (default position).
4. Turn on power (use the Power On Button if required to boot).
5. Motherboard might automatically reboot a few times. Wait until booting is completed.
Internal Connectors
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