Load Default Bios Settings" Jumper (J11); Clrrtc (J12) - Kontron KTQ77/Flex User Manual

KTD-N0848-B
6.11

"Load Default BIOS Settings" Jumper (J11)

The "Load Default BIOS Settings" Jumper (J11) 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.
Warning: Don't leave the jumper in position 1-2, otherwise if power is disconnected,
!
the battery will fully deplete within a few weeks.
J11
pin1-2
X
-
-
To Load Default BIOS Settings:
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.
6.12

ClrRTC (J12)

The ClrRTC (J12) connector is not used. Do not install any jumper in case J12 pin row is available.
Page 49
J11 pin 3
J12
Description
pin2-3
- Load Default BIOS Settings
X Default position
- No Function
Internal Connectors
Jumper (in Load Default BIOS Settings position)
KTQ77/Flex Users Guide