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Windows 7: Trouble With AHCI


08 Apr 2012   #1

Windows 7 Pro x64
 
 
Trouble With AHCI

i have an ASUS M5A88-M motherboard, and a Western Digital WD2503ABYX HDD. i am trying to make that drive work in AHCI mode, but when I try, the disk won't boot. i think the HDD is AHCI compatble, tho not certain.

i went into the registry to set a value=o for the relevant AHCI parameter, but no luck.

if i need a full re-installation of Windows 7 64-bit, does it prompt me along the way to set the mode to IDE or AHCI?

thanks.

My System SpecsSystem Spec
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08 Apr 2012   #2

Main - Windows 7 Pro SP1 64-Bit; 2nd - Windows Server 2008 R2
 
 

I'm assuming you had a look at this:

AHCI : Enable in Windows 7 / Vista

Did you make sure and do Step 4 and enable it in the BIOS?

Some boards are picky about which ports support AHCI; which port is the drive on?
My System SpecsSystem Spec
08 Apr 2012   #3

Windows 7 Pro x64
 
 

i did all the steps listed. the relevant registry value was already set to zero, so i did not have anything to change in the registry.

i've tried the HDD and SSD in various ports, to no avail.

i wonder if when i first loaded the system, whether the ASUS drivers for AHCI are automatically installed, or if i have to go back and modify? is it safe to install motherboard drivers after i'm already up and running?
My System SpecsSystem Spec
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