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KONTRON
coolMONSTER/S User’s Guide
73
Appendix B:BIOS Operation
4. If the BIOS image (BIOS.ROM) changes because to an update or bug fix, copy the
new BIOS onto the diskette and name it BIOS.ROM.
Phoenix Phlash runs in either command line mode or crisis recovery mode.
5. Use the command line mode to update or replace a BIOS. To execute Phlash in this
mode, move to the Crisis Recovery Disk and type:
PHLASH <bios name>
(Example: PHLASH LEU6R123.ROM)
PhoenixPhlash will update the BIOS. PhoenixPhlash can fail if the system uses
memory managers. If this occurs, the utility displays the following message:
Cannot flash when memory manager are present.
If you see this message after you execute Phlash, disable the memory manager or
use parameter /x for Phlash.exe.
PHLASH /X <bios name>
25.10.2.
Preventing Problems When Updating or Restoring BIOS
Updating the BIOS represents a potential hazard. Power failures or fluctuations can occur when you
update the Flash ROM can damage the BIOS code, making the system unbootable.
To prevent this hazard, many systems come with a boot-block Flash ROM. The boot-block region
contains a fail-safe recovery routine. If the boot-block code finds a corrupted BIOS (checksum
fails), it boots into the crisis recovery mode and loads a BIOS image from a crisis diskette (see
above).
Additionally, the end user can insert an update key into the serial port (COM1 only) to force
initiating the boot block recovery routine.
For further information on the update key and the crisis diskette, see the Application Note
PHLASH_SCE???, which is available from the KONTRON Embedded Modules Web site. The three
question marks stand for the revision number of the file.
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