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KTD-S0001-C Page 35 Crisis Management

JRexplus LX User's Guide

20 Crisis Management

Modifying parameters in the BIOS Setup implies the risk of leaving your system in a unbootable state. In

case this happens two jumper exists to reset the settings to 'Fail-Safe values'.

In case no battery is connected then follow these five steps:



Power down the board



Remove the tagged jumper JP9 (see the picture)



Power up the board and enter the BIOS Setup



Before saving your new settings with 'Save & Exit' put the jumper back



The board should be functional now

In case there is a backup battery for the real time clock:



Power down the board



Switch the second jumper JP8 as depicted and wait for 3 seconds



Put the jumper back as it was before

Then continue with the steps from the no battery case.

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Kontron JRexplus-LX Manuale Utente Pagina 39