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 W7 64-bit, does it prompt me along the way to set the mode to IDE or AHCI?
thanks.
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? :)
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?
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