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Windows 7: Ahci

08 Jan 2012   #51
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Isn't that what is shown is the second screenshot above? My problem with that is since there are four controllers (not numbered), and each of them has a channel 0 and channel 1, the term "location 0" seems ambiguous to me, because there are 4 channel 0s, so what is location 0?


My System SpecsSystem Spec
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08 Jan 2012   #52
GeneO

Windows 10 Pro. EFI boot partition, full EFI boot
 
 

Well, I guess I thought you knew which drives were plugged into which controller. I only have two channels on the Marvell, and that is the only controller I use the generic MS AHCI driver on so I guess it is easy for me to tell
My System SpecsSystem Spec
09 Jan 2012   #53
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

I would imagine that my system would be easy for you to figure out, but my mind just doesn't work that way. Yes, I know which controller the AHCI drive is plugged into...the Marvell. Going by what you said previously, the Standard AHCI 1.0 Serial ATA Controller listed in the Device Manager must be the Marvell. However, when I select the properties of that controller, the location is given as PCI bus 1, device 0, function 0, which does not seem to correlate with the location given for the drive itself...Location 0 (Channel 1, Target 0, Lun 0). Perhaps this makes sense to you, but not I.
My System SpecsSystem Spec
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09 Jan 2012   #54
GeneO

Windows 10 Pro. EFI boot partition, full EFI boot
 
 

What can I say? When you get down to the level of users being able to easily determine what ports disk drives or USB devices are attached to, Windows 7 kinda fall apart.
My System SpecsSystem Spec
09 Jan 2012   #55
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

Okay, if I must experiment I will, but how does one know when it is right? I don't think that it will have any effect on performance...will it? Outside of it no longer displaying the drive in Devices And Printers, is there anything else to look for?
My System SpecsSystem Spec
09 Jan 2012   #56
GeneO

Windows 10 Pro. EFI boot partition, full EFI boot
 
 

Not to my knowledge.
My System SpecsSystem Spec
09 Jan 2012   #57
seekermeister

W7x64 Pro, SuSe 12.1/** W7 x64 Pro, XP MCE
 
 

I just ran the two regedits in the article linked, and the drive no longer appears in Devices And Printers, and the Standard AHCI 1.0 controller remains in IDE ATA/ATAPI controllers as before, so I guess this chore is now complete. Thanks again.
My System SpecsSystem Spec
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