BIOS does not allow to set IDE and/or AHCI mode, I'm afraid. Only available values at BIOS: disabled, compatible or enhanced (selected option). So, I guess there is no possibility to enable AHCI mode drivers and/or AHCI setting at BIOS for DEV_27C0 (ICH7r family) as SSD provider is recommending... :-( Thanks in any case. Have a nice day!
DEV_27C0 (ICH7r family) under Win7 Pro x64, which driver can be used?? Recently I have installed an SSD, which unfortunately is using IDE mode.... Nevertheless I should recognized that an performance improvement has been achieved! :-)
In your packet, DEV_27C1 and DEV_27C5. I tested 27C1 without success. :-(