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SOLVED OC'ing memory like before, but crashing...

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pzykotik

Member
Joined
Oct 5, 2012
Location
Quebec, Canada
So, I had some bios chip problems, changed it.

Now, I'm trying to OC the ram, like I used to, but the pc freeze as soon as I open a game.

Basically, my ram's default settings are: 1333 CL9-9-9 @1.5V

I want them to be: 1866 CL9-11-9 @1.65V

I tried both manually AND DOCP profile from the bios.

Both crashed.

The thing is that it worked before I got this new bios chip.

All info on my rig can be found in my sig.

To try and keep confusion to a minimum, either answer with a question in order to get more info, or with a step-by-step answer :)
 
understand I still have more to learn about modern RAM timings... but when i was overclocking ram, the tRAS had to be equal to the addition of the first 3 timings plus or minus 1. when you had it lower then x+y+z-1 you usually had errors pop up, instability in general.

so in your case your tRAS should be 9+11+9 = 29... though you probably could get away with 28... according to your sig you have it set to 27. back when I was playing with this stuff that was a good way to bork your system stability. i'm willing to bet you never changed the tRAS, as 9-9-9 would naturally have a tRAS of 27... which is where yours is. By bumping the tRCD up to 11, you probably would have needed to bump your tRAS up +2 to 29 as well.
 
For Hynix IC and most other that are in 1866 kits it's usually 9-10-9-27 or 9-11-9-27.
For AMD check if command rate is 2N/T. It probably won't work at 1N/T.
Also check if it's working at high tRFC like 160+.
 
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