AHCI & IDE mode Tags: Homebuilt Windows XP Systems Last response: August 23, 2010 1:33 PM in Systems Share Anonymous a b B Homebuilt system August 22, 2010 3:15:16 AM Hello, i have installed win xp black edition in drive C & win7 ultimate in drive E in IDE mode but when i change it to AHCI mode it does not work..what should i do?please help More about : ahci ide mode EXT64 August 22, 2010 3:53:00 AM You can't change the drive mode with windows already installed (without doing a little repair work). I'd suggest changing it back to IDE and leaving it, as the gains of AHCI are minimal. m 0 l guanyu210379 a b B Homebuilt system August 23, 2010 1:33:16 PM You have to do some working on the registries to make working. Edit the registries first and then change them in BIOS. ^+1 EXT64 : Just leave them be, since the gains is minimal. m 0 l Can't find your answer ? Ask ! Publish Related resources SolvedSwitching SSD from IDE to AHCI mode? How do I do it? Forum SolvedI couldn't install Win 7 to SSD in AHCI mode, can i go with IDE mode safely? Forum Solvedhow i can change the ide mode to ahci mode om installed windows xp gigabyte GA-H87-HD3 Motherbord Forum Asus a88x-pro ahci in bios not reconising drives only ide mode reconises drives Forum SolvedCannot change from IDE to AHCI mode (intel SSD)? Forum SolvedChanging AHCI mode to IDE Forum SolvedSlow Write Speeds on WD 500gb Cavier Green, Windows 8, Controller Mode Set to IDE not AHCI Forum if I install windows xp in ide mode and then set the motherboard to raid or ahci, then i hear a difference in the sound played Forum SolvedIntel SSD-510 not available in Win7 setup in IDE, AHCI, or RAID mode Forum SolvedSandforce (vertex 3) AHCI or IDE mode? Forum SolvedHELP - Need To Convert From IDE to AHCI Mode on SSD & HDDs Forum SolvedHow can I change back to IDE mode after accidently going to AHCI ?? Forum SolvedCan't use ssd in AHCI mode-->Only in IDE Forum WARNING - if you installed the OS with the BIOS set to "IDE Emulation" mode, then switching the BIOS to AHCI will render the.. Forum How do I change my Dell GX520 from IDE mode to AHCI mode Forum AHCI Mode in Bios (installed Windows in IDE mode) Forum Windows 8 IDE or AHCI SATA mode Forum My motherboard doesn't support AHCI, is IDE mode + SATA 2 much slower for new SDD/HDD/SSHD? Forum Can only boot in IDE mode after installing Windows 8 in AHCI mode Forum How to sata controller from ahci to compatible mode (ide i think) Forum More resources Read discussions in other Systems categories Homebuilt New Build Prebuilt Cases Power Supplies RAM CyberPower !