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On Friday 21 January 2011 19:45:07 meino.cramer@×××.de wrote: |
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> Hi, |
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> |
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> I got a little confused about the sense or nonsense of AHCI vs. IDE. |
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> |
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> I run a ASUS Crosshair IV Formula, which BIOS has a menu entry to |
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> configure the SATA ports either for IDE or AHCI or RAID. Forget RAID |
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> for a momen -- I dont use it (nothing against RAID ! ;) |
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> |
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> My box uses a linux 2.6.37 vanilla kernel. |
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> |
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> The kernel config has been set to |
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> |
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> CONFIG_SATA_AHCI=y |
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> # CONFIG_SATA_AHCI_PLATFORM is not set |
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> |
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> In the dmesg output I found this: |
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> |
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> pci 0000:00:11.0: set SATA to AHCI mode |
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> ahci 0000:00:11.0: AHCI 0001.0200 32 slots 4 ports 3 Gbps 0xf impl SATA |
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> mode ahci 0000:07:00.0: AHCI 0001.0000 32 slots 2 ports 3 Gbps 0x3 impl |
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> SATA mode |
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> |
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> despite the fact that AHCI is disabled in the BIOS settings (using |
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> IDE). |
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> |
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> I did an experiment an disabled AHCI in the kernel (to make the kernel |
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> settings consistent with the BIOS.) |
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> |
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> Result: The kernel did not find the root partition. |
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> |
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> In the meanwhile I do not understand all this never more. |
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> |
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> Why does the kernel boots only, if the BIOS says "IDE!" and linux |
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> insists on "AHCI!"...and waht ist the result? |
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> |
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> Best regards, |
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> mcc |
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|
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so, why are you doing soemthing incredible stupid in the first place? |
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