How to OC now, at wall(or am i?)

Heligrin

Senior member
Jul 29, 2004
245
0
76
Right, so im prime stable at 250HTT w/ a 10x multiplyer ~2.5ghz. I WANT to get 2.6, however my g.skill ram is being an ass and wont OC at all. I am not skilled in the art of ram OCing so i come to you guys.

I cant get to 260 without a divider, so here are my options

260HTT x 10 with ram at 333 divdier, which puts my ram at ~217mhz

or

250x 10 w/ a 1:1 ratio.

Settings:

http://img453.imageshack.us/my.php?image=oc19su.jpg
 

Pyrokinetic

Senior member
Dec 4, 2005
296
0
0
I used to have the G.Skill DDR600 sticks at 2.5-4-4-8, and found they could not handle much past DDR500. However, when I ran Sisoft Sandra Lite, I found a bit of "small print" when I ran the memory diagnostic -- DDR600 requires much looser timings than the advertised 2.5-4-4-8. (I can't remember what the timings were exactly, but I remember it had a 12 instead of the 8 on the end). Even then, I never did get to anything near DDR600.

After that, I went for the Corsair XMS low latency sticks and used the memory dividers to keep them at DDR400 to preserve the 2-2-2-5 memory timings. The G.Skill sticks (being high bandwidth sticks) could not do 2-2-2-5 timings even at DDR400. The best I got was 2.5-3-3-7. The G.Skill sticks are OK if you can keep the memory speed below DDR500.

That being said, I looked at it this way: I had a single-core AMD chip, which benefits little from bandwidth over DDR400, so I opted for low latency with the faster timings. If you have a dual-core chip, more bandwidth might help you. This issue is why AMD has not yet moved to DDR2 (at least until the new AM2 socket).
 

TSS

Senior member
Nov 14, 2005
227
0
0
even dual cores arent badnwidth starved on AMD systems... still prefer low latancy.

anyways, if you want OCed ram, just set the timings as loose as possible, go as high as possible, then try to ttighten them (going 2T will help too). but personally i'd just put a divider on the ram, try to run 2-2-2-5, and OC the CPU like mad.

CPU > ram, always.
 

bob4432

Lifer
Sep 6, 2003
11,727
46
91
i would say the differnence would be small and not noticed by you. if you are really wondering, benchmark the 2 and see how it goes.

personally i am running 280x9 with my ram @ 210, run fine and is much faster at 2.5GHz than my P4 @ 3.0GHz (even encoding)
 

GuitarDaddy

Lifer
Nov 9, 2004
11,465
1
0
What voltage are you using? What results do you get on the 11x multi?
Definately use the divider!

My SD3700+ with 1.55v will do 255x11=2805 or 280x10=2800