Manually setting CAS timing

Relentless81

Relentless81

Relentless81

Soldato
Joined
18 May 2010
Posts
12,847
Hi all

I put my new PC together last night with CAS8 RAM but the motherboard applies CA9

I know I can manually change it but a couple of things confuse me and I was hoping someone could help

Here is what my BIOS displays

CAS# Latency = auto = 9T

RAS to CAS R/W = auto = 9T

Row precharge Time = auto = 9T

Minimum RAS active time = auto = 24T

Here is where I get confused, if you look at memory it often just says CAS8 or CAS9 or whatever it is advertised at, also it often gives a full string of numbers like my memory states

8-8-8-24

Is this basically what I need to manually apply to the BIOS, so that it looks like this? Its confusing because they are not all called CAS

CAS# Latency = auto = 8T

RAS to CAS R/W = auto = 8T

Row precharge Time = auto = 8T

Minimum RAS active time = auto = 24T

Thanks in advance for any help
 
yes, that is exactly right, except that it will not be on auto when you have changed the timings.

if you are using an intel system, there may be an option to apply an XMP (eXtreme Memory Profile). This will set all of the timings to the recommended settings. Beware, doing this will remove any overclock you have applied. And check the voltage settings after as well, last time I applied an XMP, it bumped my CPU Vcore to 1.5V (not cool!)
 
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