Originally Posted by Aquinus
That's not SSD caching, that's just the write back cache that write to memory first then to the drive shortly after. It's to give the appearance of faster write speeds. If you want to use an SSD as a cache for a physical drive, I thought you needed to be running your drives in AHCI to do that.
I apparently misunderstood what the OP was trying to achieve, thanks for the clarification.
And is the IRST write caching not the same as what AsRock posted
(Enable write caching), or am I misinterpreting it?