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bypass_intel_sata_ahci_bios_hang_bug

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bypass_intel_sata_ahci_bios_hang_bug [2013/01/02 21:44]
tkbletsc created
bypass_intel_sata_ahci_bios_hang_bug [2013/01/02 21:45] (current)
tkbletsc
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 +====== Bypass Intel SATA AHCI BIOS hang bug ======
 +
 Certain Intel SATA controllers' firmware has a bug that will cause it to hang on boot if the disk's partition table is set up a certain way. (Seriously.) Certain Intel SATA controllers' firmware has a bug that will cause it to hang on boot if the disk's partition table is set up a certain way. (Seriously.)
  
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 </code> </code>
  
-[[http://forum.giga-byte.co.uk/index.php?topic=8585.0;wap2|User 'kondra' on the Gigabyte forums did a good write-up on this]], reproduced below.  Suffice it to say that the firmware (stupidly) looks at the C/H/S ending entry of the first partition to help figure out disk geometry (well, it actually ignores this info, as does the OS, but boy does it choke if it's not a preferred value).  Fix by changing the bytes at disk offset 0x1C3 to "FE FF FF".+===== Quick fix ===== 
 + 
 +[[http://forum.giga-byte.co.uk/index.php?topic=8585.0;wap2|User 'kondra' on the Gigabyte forums did a good write-up on this]], reproduced below.  Suffice it to say that the firmware (stupidly) looks at the C/H/S ending entry of the first partition to help figure out disk geometry (well, it actually ignores this info, as does the OS, but boy does it choke if it's not a preferred value).  **Fix by changing the bytes at disk offset 0x1C3 to "FE FF FF".** 
 + 
 +===== Kondra's post =====
  
-Kondra's post: 
 <file> <file>
 kondra: kondra:
bypass_intel_sata_ahci_bios_hang_bug.txt · Last modified: 2013/01/02 21:45 by tkbletsc