Sony :: How To Backup Vaio Z Original Bios While Flashing New Bios

Oct 16, 2009

Updated: Found a better way to backup Bios only, Please see the end of this message

Let say your Vaio Z is using Bios R4040M3 and you move to Bios R4041M3 to use the official VT support. Later on, you want to move back to R4040M3 to use the Advance Menu hack. Unfortunately, you cannot move back as Sony never publish the R4040M3 Bios update. This is my current situation.

I decided to investigate a way to back up the current Bios. Using a program called Universal extractor, I managed to extracted the files in the original Bios update. The bios update uses a program called Insydeflash to flash the Bios. The Insydeflash uses a file called platform.ini to control its setting.

In the platform.ini file, there is a section called [FDFile]. The section [FDFile] has a parameter called BackupName. If we put in a file name here, the Insydeflash should save your current Bios into that file. Unfortunately, I cannot make it work with the Sony supplied Insydeflash. (version 3.38).

I managed to get the newer version of Insydeflash (version 3.72). The newer version has a new ini section called [BackupROM], as the following:

..........
[BackupROM]
Flag=0
FilePath=c:
FileName=....................

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Anyway, Copy paste the dump file here:

Seems like PHLASHNT.SYS has something to with this? Have someone have this same problem as me? The fans never stop, and I think its because of the old bios version. And:

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Code:
*******************************************************************************
* *
* Bugcheck Analysis *
* *
*******************************************************************************

DRIVER_VERIFIER_DETECTED_VIOLATION (c4)
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[url]

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