Did you download the Intel Turbo Memory package:
Did you follow the release notes information? It appears fairly thorough:
In the release notes, it does claim to only work with certain RAID Drivers:
I got it working.
I removed the HDDs from being in a raid array, by going into the RAID screen via CTRL + I, but didn't think of changing the BIOS from RAID to Enhanced.
All good now, my bad, thanks for the reply.