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Thread Tools |
09-01-2007, 06:00 AM
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#1 (permalink) |
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Registered User
Join Date: Sep 2007
Posts: 7
OS: Vista
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Incorrect DMA mode in vista
Hi, i'm using sata2 seagate drives and vista and there stuck on mode 5 aka ATA/100 when they should be on mode 6 ATA/133. Is there a hotfix for this?
I have installed all the relevent drivers and updates, XP is properly detecting them and using mode 6 so why isnt vista?  |
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09-01-2007, 09:50 AM
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#2 (permalink) |
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Moderator, Microsoft Support, Happy to support TSF!
Join Date: Feb 2005
Location: United Kingdom
Posts: 6,548
OS: XP Pro SP3, Vista Ultimate SP1, Ubuntu v8.04
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Re: Incorrect DMA mode in vista
Hi Shocky, welcome to TSF...
Does you motherboard support DMA mode 6?
__________________
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09-01-2007, 10:09 AM
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#3 (permalink) | |
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Registered User
Join Date: Sep 2007
Posts: 7
OS: Vista
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Re: Incorrect DMA mode in vista
Quote:
Well I would guess so as it works in XP, would be strange to have a motherboard that supports SATA2 but not ATA/133. EDIT: Actually, after booting up XP it's neither so is ATA/100 normal in vista for a SATA2 HD? Doesnt seem right as the last time I used a ATA/100 drive was about 5 years ago. Last edited by Shocky : 09-01-2007 at 10:23 AM. |
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09-01-2007, 10:44 AM
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#4 (permalink) |
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Registered User
Join Date: Sep 2007
Posts: 7
OS: Vista
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Re: Incorrect DMA mode in vista
Ok, after further reading of my manual and random google sources I need to enable AHCI for full SATA2 and NCQ support which apparently needs a driver on windows install which probably means I might have to format the drives which I really don't want to do.
So, does vista need drivers on install? and would I lose data on drives if I just change it to AHCI? |
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