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Feyenord
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OC Newbie
10 Jahre dabei !


I want to overclock my Barton 2600+ but I'm having some problems. I am able to change my fsb and multyplier in bios. But, after about 40 mhz increase, the system becomes very unstable. It freezes during the games. I bought a big zalman fan a while ago and the temperatures are normal(never exceeding 50C). I think I should increase the voltage, which is now only at 1,744V. I can increase it in bios without problem, but when I come in windows and look at CPUz, it still says 1,7V. Is the voltage locked or something? And how can I unlock it? I remember flashing my system bios about a year ago, the performance increased a bit then, but I still can't change the voltage.
Here are full system specs:

-Psu: Mercury 400W
-Motherboard: Asus A7V600, VIA KT600 chipset
-Processor: Socket A, AthlonXP 2600+ Barton running at 1920mhz(stock)  
with Zalman 5700AlCu fan
-RAM: 1x256mb Transcend 266mhz, 1x512mb Viking 400mhz
-Video card: GeForce 7600GS 256mb DDR2 (not overclocked-yet :lol: )

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ocinside
aus Krefeld
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Administrator
16 Jahre dabei !

Intel Core i5
3800 MHz @ 5098 MHz
60°C mit 1.44 Volt


I think you've just tried to increase the FSB.
You should prefer the multiplier, because it might be, that your somewhat older memory module doesn't like the higher frequency.
Otherwise it may be the PSU - if you've another one, it should be worth to test it.


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Feyenord
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OC Newbie
10 Jahre dabei !


I don't think it's psu. I had a radeon 9500 before, which eats a lot less power, and the problem was the same.
As for the fsb, I was changing a bit of both,fsb and multyplier, calculating it carefully so it wouldnt be too much change in mhz. I'll try lowering the fsb a bit and work with multyplier more.

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NWD
aus Aachen
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Moderator
16 Jahre dabei !

Intel Core i5
3500 MHz @ 4000 MHz
40°C mit 1.10 Volt


Hi,

First you got one DDR-266 - Module running with a 333er CPU
This is kinda stupid ?!

Second, i have a similar CPU. The Multi was locked and i only got it at a max of ~ 2200 Mhz with 1,85V and Watercooling.
( Could have done more, only got DDR-333er Ram and a nForce2 )

So try it without your slow DDR-266, RAM:FSB - Ratio 1:1 and with max. 1,85V VCore.


Work like you don´t need the money    Love like you´ve never been hurt         Dance like nobody´s watching             Sing like nobody´s listening
But Live as if you will die today

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Feyenord
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OC Newbie
10 Jahre dabei !


Yeah I know, that ram is slow and old, only pc2700. But without it i'll have only 512mb RAM, which is kinda low for today's games. You really think it could slow the computer down so much?
As for Vcore, like I said, it seems to be locked or something, I can change it in bios, but it has no effect and CPUz in windows shows the stock frequency of 1,7V.

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NWD
aus Aachen
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Moderator
16 Jahre dabei !

Intel Core i5
3500 MHz @ 4000 MHz
40°C mit 1.10 Volt


@ Ram:

I dont believe that you will be able to clock a FSB-333 CPU via FSB with only PC-266 DDR-Ram.

Just give it a try without this module

@ VCore: try WCPUID to read out the Vcore.


Work like you don´t need the money    Love like you´ve never been hurt         Dance like nobody´s watching             Sing like nobody´s listening
But Live as if you will die today

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Feyenord
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OC Newbie
10 Jahre dabei !


How stupid of me, I've only just realized that the multiplyer is locked :nabend: . So, how do I unlock it, is there any easyer way than pencil and pins?

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NWD
aus Aachen
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Moderator
16 Jahre dabei !

Intel Core i5
3500 MHz @ 4000 MHz
40°C mit 1.10 Volt


as far as i know you cant unlock these cpus anymore..

so the only way to overclock it is via FSB- which leads us again to your ddr-266 module ;)


Work like you don´t need the money    Love like you´ve never been hurt         Dance like nobody´s watching             Sing like nobody´s listening
But Live as if you will die today

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Feyenord
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OC Newbie
10 Jahre dabei !


Big thanks for your help NWD, my system already works faster now!
I removed the 256mb RAM and my Barton is overclocking nicely now, currently at 2000 mhz. I also lowered the ram frequency to 333mhz, so it's 1:1 ratio with the fsb. I always thought it's better to have more ram, but now I see old ram can really slow down the whole system :) .
The best thing is the temperature of my processor core is still very low-40 when working and 37 when idle. So i'll OC it some more without problems.
Thanks again!

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NWD
aus Aachen
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Moderator
16 Jahre dabei !

Intel Core i5
3500 MHz @ 4000 MHz
40°C mit 1.10 Volt


np.

and btw: a 512mb ddr pc400 - module is not too expensive.. So with 1gb ram and oc it will boost up your system nicely.


Work like you don´t need the money    Love like you´ve never been hurt         Dance like nobody´s watching             Sing like nobody´s listening
But Live as if you will die today

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