Yes, it's possible that latest BIOS update enables AHCI/IDE switching, but we don't know for sure, I wonder if there is a way to find out if that is really the case. I will try to understand how this trick with Linux works.ĭave, yes I see it's the same case with you as with my HP Win 7 - no AHCI switch in BIOS but AHCI is supported, so we have established that theory to be correct.ĭamnation, my laptop model is Asus S96J. Thanks jaclaz, your info seems promising. So I guess I need to find some Universal AHCI driver for XP, any suggestions?Īnd if the driver is bad and I get a BSOD it's no problem because I have a working Backup. And there is msahci.sys present in C:\WINDOWS\System32\drivers. And there is no ahci.sys or msahci.sys in C:\WINDOWS\system32\drivers. But this XP ASUS laptop is from 2006 and it's 2 years older than my HP Win 7 laptop so it's very much possible that the Motherboard doesn't support AHCI mode. My other HP Win 7 laptop from 2008 also doesn't have an option to enable AHCI in the BIOS but it operates in AHCI mode and the SSD speed is double compared to my Win XP ASUS laptop which now operates in SATA-1 (150) mode, so I guess if there is no option to enable AHCI in the BIOS doesn't necessarily mean that it can't support AHCI mode. Īnd then disable IDE mode and enable AHCI mode from Registry.
Yes, I need to find and install AHCI driver that will copy msahci.sys (or other similar name) in C:\WINDOWS\system32\drivers.
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