Manually changing DRAM timings

I’m fooling around with the DRAM memory timings in BIOS.  My DDR SPD is 3-3-3-8.  I’ve changed it in BIOS to 2-3-3-6.  Seems to be working ok so far.
CPU-Z shows the cycle time change I made (from 8 to 6), but doesn’t show that I changed the CAS latency from 3 to 2.
Is there a way to confirm the memory timings?
Any timing tips?

Hey guys, from all of the experience, research, and tech support I have invested into this problem (Sean, you are painfully aware of just how much, I know) The CAS is determined by the MOBO based on Slow,Fast,Turbo,Ultra-Turbo. I am not comfortable offering exact "per-setting" numbers, ie. Ultra-Turbo always=2.0, but I do believe it is directly based on SPD. I have had conversations with "The RAM GUY" over at Corsair's official House of Help forum, and he has spent a lot of time (as you might guess) figuring out how each MOBO interacts w/ RAM (all RAM, not just Corsair's, apparently). He told me and many others, that if Fast, Turbo, or Ultra-Turbo is used, then the CAS will not be available for manual configuration. In my experience, even Slow locks the CAS at 2.5, but that may not be universal. Hope this helps. Be well guys!
                     damon69

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