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Help with switching to AHCI ( Vista, AMD chipset )

post #1 of 14
Thread Starter 
I have tried to switch to AHCI and it ends in misery.

I tried the method posted online to switch to AHCI and it failed, so I tried a fresh install but it installed it as SATA anyways frown.gif

I have an AMD mobo with a 750sb. Should i use the drivers for AHCI that AMD has on their website ( updated in April 2013 or should i go with what my mobo maker ASUS has ( updated 2009 )?

I'm currently running Vista 64

*Edit*

Found out that it is a current driver issue with the 700 series SB chipset drivers.
Edited by Wreck It Ralph - 4/27/13 at 9:41am
post #2 of 14
Just run the AHCI hotfix from Microsoft:
http://support.microsoft.com/kb/922976

The problem is, when you install the operating system, it detects what the SATA controller is set to in bios (IDE/PATA, SATA/AHCI or RAID) and loads only those drivers. You have to either set the SATA controller in bios before installing the OS, or enable the drivers to be loaded afterwards. This used to be done via a registry change, but can now be done with the above registry hotfix by Microsoft.
Edited by ericeod - 4/26/13 at 8:31pm
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post #3 of 14
Thread Starter 
So there's no difference in performance if i use this option, the drivers from Asus or the recent ones from AMD?

Running your fix now, thanks. I'd rep you if i could. thumb.gif
post #4 of 14
Quote:
Originally Posted by Wreck It Ralph View Post

So there's no difference in performance if i use this option, the drivers from Asus or the recent ones from AMD?

I can't say for sure. But the updated drivers are the way to go in my opinion. I would try the latest ones from AMD. I assumed your problem was from installing the OS with the SATA controller set to IDE/PATA, then you tried to change it in the bios after the install to SATA/AHCI. This is a common issue for people which results in BSOD.

Are you just trying to update the system drivers with the bios setting already set to SATA/AHCI prior to installing Windows?
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post #5 of 14
Thread Starter 
Quote:
Originally Posted by ericeod View Post

I can't say for sure. But the updated drivers are the way to go in my opinion. I would try the latest ones from AMD. I assumed your problem was from installing the OS with the SATA controller set to IDE/PATA, then you tried to change it in the bios after the install to SATA/AHCI. This is a common issue for people which results in BSOD.

Are you just trying to update the system drivers with the bios setting already set to SATA/AHCI prior to installing Windows?

First i tried to switch to AHCI using the technique on here and i got some instability

So i reinstalled Vista. Twice. Both times it installed as SATA even though i had AHCI enabled in the BIOS. Everyone said it would recognize AHCI enabled and install Vista generic drivers for it
post #6 of 14
Intel does have native AHCI drivers, but I do prefer the chipset specific. The only time I used the native Intel personally is when I was first using SSD drives because TRIM was supported with the native drivers.
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post #7 of 14
Thread Starter 
ok so i installed the hotfix from MS, installed the AMD update pack that has the 700 series chipset drivers and SATA/AHCI drivers. I also installed the latest version of Samsung magician.

Everything was working fine right before i rebooted. Magician was showing that the SSD was in AHCI mode.

But after the reboot i can't get into windows. I get to the loading screen and then there's a super brief BSOD and then it reboots again. Did I miss a step or something?
post #8 of 14
post #9 of 14
Thread Starter 

Yeah i already did all that, a few times. Every time I had major issues.

I think what might be happening is the AMD 700 series southbridge update isn't compatible with my mobo. How would i fix this?
post #10 of 14
Quote:
Originally Posted by Wreck It Ralph View Post

ok so i installed the hotfix from MS, installed the AMD update pack that has the 700 series chipset drivers and SATA/AHCI drivers. I also installed the latest version of Samsung magician.

Everything was working fine right before i rebooted. Magician was showing that the SSD was in AHCI mode.

But after the reboot i can't get into windows. I get to the loading screen and then there's a super brief BSOD and then it reboots again. Did I miss a step or something?

You should be able to go into your bios and make sure AHCI is enabled. All the hotfix should have done was allowed the operating system to load drivers for SATA/AHCI, RAID and IDE/PATA. These are the 3 different configurations you can run your SATA ports on.
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