AHCI and Hot-Swap

acole1

Golden Member
Sep 28, 2005
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I recently went through this guide to get AHCI working on a P5Q SE/R, which uses a ICH10R chip. After trying several wrong configurations, I was finally able to set the BIOS to AHCI and boot into the OS - Windows Server 2003.

I was wanting AHCI so I could do hot swapping for backup drives, but after I have AHCI setup, it doesn't look like it's giving me the option since the "Optimize for Quick Removal" is greyed out. I also installed the Intel Matrix Storage Console, but it isn't giving me any options as it does this machine here. I can see the "Intel(R) ICH10R SATA AHCI Controller" under "IDE ATA/ATAPI controllers" in the Device Manager, though.

Is there something I am missing, or that I did wrong?
 

betaflame

Member
Jul 28, 2009
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Wouldn't that be because the ICH-R is handling the cache. You can turn off write-back cache from the Storage Manager, but that hoses speed.
 

lopri

Elite Member
Jul 27, 2002
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690
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I do not know how much blame can be put on the OS, but using same drivers and chipsets AHCI works like a charm under Windows 7. With the same chipsets and disks I used to have similar issues under XP and Vista.