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RAS / CAS settings P4C800 ?

C

CronikNL

Member
Hi all!

I just want to ask all of you what your settings are? So a comparison.
Here's a screenshot of my settings: Picture

I have TwinMOS 2.5 CL 400 DDR mem modules.

The only thing the shop told me is to set the RAS to CAS to 3 not 2.
But what do all the other "clocks" mean ?

p.s. "Vlist" Maybe you can post yours ?

Thx
Cronik
 
Hi Cronik

My Timings are SPD, so no changes yet, but I do follow yours efforts to find out yhe best settings haha.
 
Hi guys,

If I put mine on SPD, system wont boot !
So I need to set my RAS/CAS levels manually 🙁

anyhow, I'll take your advise bacillus! Thx. Im not an overclocker... so thats not an issue for me.

Thx for your replies!
 
I have that board i had to set the RAS to CAS to 3 and up the DRAM votage a little to make my system run stable. I am running 2 corsair DDR 400 XMS.
 
i have the same board and same problem with corsair,
what i did was up the voltage to the next 1 then i set the RAS/CAS latency to 2.5 33374or8 (i think it is 4) these have been working fine for me for a while
when it was at spd i couldnt run BF1942 with 16 bots for longer then 5-10min. now i can run it with 64 bots😀 and i havent had it crash yet (i had it set on dedicated server for 4hr 64 bots and no crash, good luck to you all


P.S. you can try minipulating these timings, to make you computer faster but it might become unstabel, the timings that i am toying with right now is cas 2.0 33364, good luck
 
Hi fellas,

The system is very stable.
But sometimes ,when I'm doing 20 things at the same time in Internet Explorer (10 windows, downloading etc) , my system just reboots! I've had this twice now. But beside that the system is very stable.

I don't know what might be causing this ?

I increased the DRAM voltage to 2.75 (next up).

I'm not really bothered by this but still, these things shouldn't happen.

Anyone else the same problem ?
 
Random reboots do occur if your timings are too agressive, or if your CPU is not handling the load. Try downloading Prime95 and running the torture test. If it fails, your system is unstable. Try backing the timings way down to 3-4-4-8 and see if it changes anything. Also get memtest86 (search for memtest86 on google) and run it, you might have bad ram?
 
Hi guys,

Is it possible to run Prime95 and Memtest86 in the background whilst playing working on the PC ? will this effect the results / performance of both memtest and prime ?

I dont exactly wanna run each prorgam 16 hours independantly... without playing battlefield once 😉


"Last night while browsing on th ei-net my pc rebooted again." I lowered this time my RAS to CAS to 4.

so right now I have 4-4-8-8. I'll see how this goes. Should i set the voltage a little higher ?

I think it's strange that I can't leave all the timings up via the SPD settings.
 
Hello All,

Finally, after some long struggles with memory timing on this motherboard, I got it ROCK SOLID!
The problem is quite clear. It has all to do with memory timings, as we all know. I went from Corsair to Twinmos and the n to Twinmos again.

My previous Twinmos modules were not sold as dual channel, but seperately.
They had the following serial number : TMD7608F8E50B (all of them).
The system was quite stable, but still every now and then some hangups or reboots. Even Memtest30 never ocmpleted any test I ran (I went through ALL timing settings).

Then I swapped these series for different Twinmos modules (which are supported according to Asus). They had the serial number : TMD7608F8E50D.
These work like a charm! I can even leave the timings up to SPD! Super!

I'm not really bothered by CL and other latencies / memory timings. I just want my memory to work. In Benchmarks you might see serious differences, but in my opinion you wont really notice it under normal circumstances...

Anyhow, These modules work like a charm! I just wanted to let you know.

Rgds
CronikNL
 
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