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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