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Hit a brick wall, need some help.

B

Bop

2[H]4U
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Joined
Oct 1, 2003
Messages
3,426
Here's the situation, right now I have my 3500+ that is Prime95 stable at 10x240mhz running 1:1 with the RAM at 2.5-3-3-10 timings. My vcore is 1.65v(1.6v actual) and my vdimm is at 2.8v.

No matter what I do I cannot get past 2400mhz. My memory is memtest86 stable for 24 hours at DDR500 with 2.5-3-3-10 timings on three diff mobos, so RAM is out of the equation. I've tried the following with 1.7v(1.65v actual) vcore and 2.85v vdimm with no luck:

10x245
10x250
11x228
10.5x240

Loweing my RAM to CAS 3 actually makes Prime95 fail faster and laxing to 2.5-4-4-10 doesnt work either. My temps never go above 62C load and my idle temps are 37C for the CPU.

Right now I'm just futzing around and trying 10.5x238 with 2.5-2-2-10 timings seeing as memory settings have no effect and CAS 3 actualy makes Prime95 fail faster.

I can run 10x250 with a 5:6 memory divider but thats just not worth it, I bought DDR500 memory for a reason.

Anyone have any support to offer?
 
well... athlon 64s do have a integrated memory controller... maybe it just cant handle speeds higher then that.. i have hered of this happening before...
 
wow, my system has been running an hour and 10 minutes at 10.5x238 with 2.5-2-2-10 timings, and the memory is running 1:1.

This is wierd, it lasts longer with tighter timings, this ballistix must be some good stuff.

10x240 2.5-3-3-10 lasts 25 minutes...
 
I'm running the memory at 238mhz, thats a no go. If I can run my system at 10.5x238 2.5-2-2-10 then its mission complete for me.

Also it has been show that 2-2-2-10 is faster than 2-2-2-5 on AMD systems.
 
Bop said:
I'm running the memory at 238mhz, thats a no go. If I can run my system at 10.5x238 2.5-2-2-10 then its mission complete for me.

Also it has been show that 2-2-2-10 is faster than 2-2-2-5 on AMD systems.
Click to expand...
oh really... does it also fix walls in memory? my cas2.5 ram runs cas2 at 2-3-3-8 timings think i can do 2-2-2-10? i also hear of ppl pumping more then 2.80 volts into memory... whats your position on that
 
My memory easily takes 2.8v but then again its rated to used 2.8v at 250mhz. I run it at 2.85v at the moment.

I'm not familiar with Corsair memory but changing the tras to 10 will not allow your other timings to drop.
 
i dont know what mines rated for.. i only know it is run at 2.5v stock
 
Ok, I got this baby stable at 10.5x238 with 2.5-2-2-10 timings @ 1.7v(1.65v actual).

I'm going to try lowering the voltages tonight and see how far it goes. 10.5x240 with 1.6v is a no go so far.
 
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