AHCI : Enable in Windows 7 / Vista

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  1. nash04
    Posts : 25
    Ultimate x64
       New #380

    It should be set to 1 if you want to use AHCI
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  3. nash04
    Posts : 25
    Ultimate x64
       New #381

    Oop's my mistake, sorry, you're correct about being set to 0
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  4. Dave76
    Posts : 12,177
    Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
       New #382

    killbox said:
    I'm having problem getting the ahci to work. The register showed 0 all ready, but when I change to achi in bios and boot up it turns to bsod and boot loop.
    What option is selected in BIOS?
    Options should be IDE, AHCI, or RAID.

    If it is RAID, you're good, it has the same functional benefits as AHCI and you don't have to have any drives in RAID.

    Check in Device Manager and see what your 'IDE ATA/ATAPI controllers' driver is.

    Start button, right click 'Computer', click 'Manage', then click 'Device Manager', click on the 'IDE ATA/ATAPI controllers', should be something similar to 'Intel 5 Series/3400 Series SATA AHCI Controller' or a RAID controller.
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  5. Ichirou
    Posts : 1
    Windows Vista home Premium x64
       New #383

    I'm trying to change my Windows Vista (installed as the boot disc originally on a RAID config) to AHCI, but even after I change the two entries in the Registry Editor to '0' for both, Vista fails to load when I change the config to AHCI for SATA. Any suggestions?
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  7. Brink
    Posts : 72,046
    64-bit Windows 11 Pro for Workstations
       New #384

    Hello Ichirou, and welcome to Seven Forums.

    For questions related to Vista, you would be better to post them at out sister site Vista Forums instead.
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  8. killbox
    Posts : 18
    Windows 7 enterprise 64bit
       New #385

    I got it to work by choosing RAID, then new drivers got installed all of a sudden. :)
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  9. Dave76
    Posts : 12,177
    Windows 7 Ult x64 - SP1/ Windows 8 Pro x64
       New #386

    Glad to hear you got it working.
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  11. Brink
    Posts : 72,046
    64-bit Windows 11 Pro for Workstations
       New #387

    killbox said:
    I got it to work by choosing RAID, then new drivers got installed all of a sudden. :)
    That's great news. We're glad to hear you got it sorted. :)
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  12. Ashendon
    Posts : 5
    Windows 7 Pro 64
       New #388

    Cant get windows 7 to boot to drive after ahci enabled


    The only way I can get windows 7 to boot now is to physically select drive at start up via boot menu f8 and select the drive which is on ahci-2(when ahci is enabled it is on all sata ports on motherboard) and i have 6 sata ports, 4 which can be used normally and to use the other 2 ahci has to be enabled and i have 4 hard drives and 2 dvd drives that are sata so I have to have all ports enabled. If ahci isnt enabled, then windows 7 boots up fine.
    I am asking if there is a way that I can get windows 7 to boot to the correct drive without having to physically select it everytime-I have tried easybcd and that didnt work.
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  13. Brink
    Posts : 72,046
    64-bit Windows 11 Pro for Workstations
       New #389

    Hello Ashendon, and welcome to Seven Forums.

    What did you have it set to before AHCI?
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