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HELP: How to change IDE to AHCI mode for Intel P45 mobo

Last response: in Storage
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April 17, 2010 11:51:14 PM

Hi folks,

I already installed Win XP in HDD IDE mode and wanted to installed Win 7 Pro in AHCI mode (because I will install the second OS in SSD) in dual boot environment.

Since they share the same motherboard, I assume I have to change mobo BIOS to AHCI mode for XP installation in HDD first before I start installing second OS in native Win 7 AHCI driver for SSD.

Any workaround on this? (Instead of reinstall XP)

My mobo spec:
ASUS P5Q - Intel chipset P45
HDD XP installation - Hitachi Deskstar 1 TB
SSD for WIn 7 Pro - SSD Vertex 60GB

Any advice appreciated.

Thanks.
April 18, 2010 6:28:22 AM

imo u can only have either ide or ahci
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April 18, 2010 7:36:32 AM

I'm looking for a workaround to change win XP installation from IDE to AHCI mode and then make change in BIOS to AHCI mode.
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a c 167 G Storage
April 18, 2010 7:23:01 PM

There is such a method. It involves some registry editing modifications. I do not know exactly what the steps are, but a google search should find it for you.
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