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what BIOS settings for SSD? - Page 2

post #11 of 18
Quote:
Originally Posted by infected rat View Post
In theory you should get better performance from using AHCI over IDE mode but I wouldn't like to say if that would be so with your particular hardware. However just to clear up the misconception TRIM can work in IDE mode, see this previous thread discussing it.
If I change it to AHCI will I have to re-install windows? I seem to recall reading somewhere that would be the case.
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post #12 of 18
Quote:
Originally Posted by Yvese View Post
If I change it to AHCI will I have to re-install windows? I seem to recall reading somewhere that would be the case.
You don't have to reinstall, however if you just go ahead and change from IDE to AHCI in the BIOS you will get a BSOD when you try and boot. This is because Windows will not have the correct AHCI driver enabled. So you can get around that by applying a registry change before you swap over the BIOS setting. Basically you boot as normal in IDE mode, change a registry value, reboot and go into your BIOS, change to AHCI mode, save and reboot and you're done.

The registry file (and full details on how to do it by hand if you want) can be found here.
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post #13 of 18
I don't get how to install windows with AHCI enabled from the get go. Do you just change it in the BIOS before you install windows or what?
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post #14 of 18
Thread Starter 
you just change the setting in the BIOS before you install windows. the setting on my asus board was in storage management, I then changed it from IDE to AHCI.
    
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post #15 of 18
So I guess the installation just detects that and installed the necessary drivers then?
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post #16 of 18
Quote:
Originally Posted by maximus20895 View Post
So I guess the installation just detects that and installed the necessary drivers then?
Exactly, if you were in AHCI mode at the time of installation the windows installer will make sure you are on the correct driver. I believe the IDE driver will also be installed so you can switch back to IDE mode without the blue screen. It's only going from IDE to AHCI without 'preparing' Windows beforehand which will cause it to fail.
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post #17 of 18
Yea, I never got the BSOD when switching in the bios without sweitch the registry first. I will install Win7 on my SSD w/ AHCI enable in the BIOS this time.

Thanks. I knew this was a simple answer, but I just never knew how to install Win7 with AHCI enabled from the get go.
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post #18 of 18
Quote:
Originally Posted by infected rat View Post
You don't have to reinstall, however if you just go ahead and change from IDE to AHCI in the BIOS you will get a BSOD when you try and boot. This is because Windows will not have the correct AHCI driver enabled. So you can get around that by applying a registry change before you swap over the BIOS setting. Basically you boot as normal in IDE mode, change a registry value, reboot and go into your BIOS, change to AHCI mode, save and reboot and you're done.

The registry file (and full details on how to do it by hand if you want) can be found here.
Thanks man I'll try that later.

+rep
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