Kontron nanoETXexpress, User Manual

Page: 36 / 43

6 5BConnector and feature description
Kontron User's Guide
nanoETXexpress Evaluation Board
36
6.19 Backup BIOS (U48, J46)
The nanoETXexpress Evaluation Baseboard provides a backup LPC Firmware Hub U48. The backup BIOS
must be activated with jumper J46.
The yellow marked components are for an optional SPI flash (U57). In case of using an SPI flash jumper
J52 must be closed to activate it. A open jumper J52 enables the LPC Firmware Hub U48.
Backup BIOS Disable J46
J69 Active BIOS
Closed Backup BIOS
Open Module BIOS
Updating the baseboard BIOS with booting from the module
Open jumper J46 to boot from the module
Prepare a DOS bootable device with the BIOS to be flashed (e.g. a USB stick)
Boot into DOS
Close jumper J46
Start the flashing command
Updating the module BIOS with booting from the baseboard
Close jumper J46 to boot from the baseboard
Prepare a DOS bootable device with the BIOS to be flashed (e.g. a USB stick)
Boot into DOS
Open jumper J46
Start the flashing command
Note: Only use suitable BIOSes for the regarding product either on the module or the baseboard.