Difference between revisions of "How to dump RSA signed Insyde BIOS"

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Starting from 2012 Insyde Corp. implemented RSA algorithm to crypt their bioses to avoid modding. To unpack such bios with Phoenix tool is impossible. But we 100% sure BIOS rom stored in motherboard in decrypted variant. So easiest way to get it - make backup of current BIOS before flashing new one. But we also can flash over the same version of bios.
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Starting from 2012 Insyde Corp. implemented RSA algorithm to crypt their BIOSs to avoid modding. To unpack such BIOS with Phoenix tool is impossible. However, we are 100% certain that the BIOS rom stored in the motherboard is a decrypted variant. The easiest way to get it - make a backup of current BIOS before flashing with the new one. But we can also flash with a modded BIOS version over the same BIOS version number.
  
  
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Here is instruction:  
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Here are the instructions:  
  
  
 
'''1'''. Take your current executable BIOS flasher.<br />
 
'''1'''. Take your current executable BIOS flasher.<br />
 
'''2'''. Unpack with any unzip software<br />
 
'''2'''. Unpack with any unzip software<br />
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'''3'''. Find platform.ini file<br />
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'''3'''. Find "platform.ini" file<br />
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'''4'''. Edit following lines in it
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'''4'''. Edit following lines with Notepad
  
 
<tt>[BackupROM]</tt><br />
 
<tt>[BackupROM]</tt><br />
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<tt>FileName=<put bios name here>.BIN</tt><br />
 
<tt>FileName=<put bios name here>.BIN</tt><br />
  
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'''5'''. Flash the same BIOS again with modified platform.ini<br />
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'''5'''. Flash the same BIOS again with the modified platform.ini<br />
 
'''6'''. After reboot you will find dumped current BIOS on C drive<br />
 
'''6'''. After reboot you will find dumped current BIOS on C drive<br />

Revision as of 08:15, 31 May 2013

Starting from 2012 Insyde Corp. implemented RSA algorithm to crypt their BIOSs to avoid modding. To unpack such BIOS with Phoenix tool is impossible. However, we are 100% certain that the BIOS rom stored in the motherboard is a decrypted variant. The easiest way to get it - make a backup of current BIOS before flashing with the new one. But we can also flash with a modded BIOS version over the same BIOS version number.


Here are the instructions:


1. Take your current executable BIOS flasher.
2. Unpack with any unzip software
3. Find "platform.ini" file
4. Edit following lines with Notepad

[BackupROM]
Flag=1
FilePath=c:
FileName=<put bios name here>.BIN

5. Flash the same BIOS again with the modified platform.ini
6. After reboot you will find dumped current BIOS on C drive

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