In reality there's little you can do with the majority of these settings and you'll find you gain little if you try reducing the settings. The amount of time required between memory accesses.Įither T1 or T2 indicating one or two clock cycles and is the time between the memory being activated and when the first command can be sent. How long it takes to disable an active RAS line and activate the next one. How long it takes to activate a specific RAS line and the subsequent CAS column in memory.