If your OS is on the HDD and you're using the SSD as a cache then you don't need to run RAID. FYI: RAID is a subset of AHCI.
I'd configure AHCI and boot to Windows, attempt to install RST, if that fails, boot to the Windows disk and try a repair.
EDIT: There is a check box on the install for Intel RST to install the control panel as well as the driver.
Taken from this article
here
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Fortunately, it's easy to install and enable Intel's Smart Response Technology on a system that contains a single solid-state drive and a single hard-disk drive. First, connect both drives to the Intel-powered SATA ports in your system; then fire it up, enter the system BIOS, and
configure the SATA controller to RAID mode. Restart the system and install Windows on the hard drive, ignoring the SSD for now. When the Windows installation is complete, install the drivers necessary for your system's components, including the chipset drivers and the Rapid Storage Technology (RST) drivers; you can download both at the Intel Download Center.
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Heres another source (taken from motherboard manual
here)
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"
Complete initial system setup, including installing the OS to a RAID mode system, then install
all required drivers, including RST storage driver version 10.5 or later"
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i was able to get this to work
after installing windows. i used some program to do it but i cant remember the name of it...it tweaked the registry for you to get it to work with raid mode so you could run intel srt....
by the way i would like to know how you got it working without setting the sata mode to raid. i dont want to reinstall windows to the SSD and then run my games off the hdd. i like the idea of intel SRT way better than that.
sorry to sound very mean by the way. i dont know how else to respond when you said that i didnt need to set the sata controller to raid for intel srt to work.