I had basically the same question.
I had a full question I was about to post, but decided to Google
CAS latency - RAS-to-CAS delay - and RAS precharge time
I have a stick of Corsair XMS PC3500C2 which is listed at:
2-4-4-8-T1
CAS: 2
RAS to Cas delay: 4
RAS precharge: 4
Active to Precharge Delay: 8 <--- not 100% sure, someone prove me wrong?
Dram timing:1T/T1
My Mobo, Albatron PX845PEV Pro(Pheonix Bios) gives the options of:
CAS - 1.5, 2.2, 5, or 3
RAS to CAS delay - 2 or 3
RAS precharge - 2 or 3
Active to precharge Delay - 5, 6, or 7
(no "DRAM access time" setting that I've found yet, but I just got this mobo today)
So it seems I'm running my PC5300C2 at 2-3-3-6, using the #s i n the Bios, and if I'm actually correct with the above.
I also have a "Refresh mode select" with options of 15.6us, 7.8us, or 64us available, but don't know what it means... yet..
Someone please tell me if I'm correct or not!!