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Overcklockig Asus k8N sempron 2600+

post #1 of 6
Thread Starter 
SO i want to overcklock this old desktop i have but i dont know anything what to do .In its BIos there is some sort of jumper setting :Overcklock 3% 5% 8% 10 %,and there is the manual setting.
SO should i go for manual setting or the automatic one?
And if manual tell me every single step i have to follow.....
post #2 of 6
You should do manual.
At first you'd need to tamper with the htt speed (hyper transport), bump it a bit and try to boot into Windows and run a stress test. Look for the ram ratios or ram speed and reduce them to the minimum to avoid having ram make the system crash too. (you can later try to oc ram a bit, but it's not a good idea on this platform...) Best thing you should do is try to maintain the stock ram speeds by reducing the ratio.
For example, if the stock ht is 200mhz you set it to 210mhz and then proceed to run a test like intel burn test, prime95 or maybe even cinebench.
Cinebench is quick and dirt, works good. If it passes the test, you can reboot and try a bit higher till it won't budge no more.
Then there are a few more things to do, but it will depend on your bios settings. If you have voltage adjustments you may be able to go further, if not you're most likely stuck there.
What kind of cooling does that thing have? A stock cooler won't take you very far btw.

A good read:
http://www.tomshardware.com/reviews/tight-timings-high-clock-frequencies,1236-4.html
post #3 of 6
Thread Starter 
First of all thanks for posting
I dont understand much of what you said there cos as i mentioned earlier im not an expert,so ill ask what i dont know and see if i can understand some more.
So in order to change the cpu speed (which is 200 )i have to change ram and also multiplyer too?
Where do i change those because in my AMI bios advenced settings jumper config i only have
Cpu speed(200 Mghz which btw cant be changed or something and Ram Voltage 1.5).
post #4 of 6
Quote:
Originally Posted by Redi View Post

First of all thanks for posting
I dont understand much of what you said there cos as i mentioned earlier im not an expert,so ill ask what i dont know and see if i can understand some more.
So in order to change the cpu speed (which is 200 )i have to change ram and also multiplyer too?
Where do i change those because in my AMI bios advenced settings jumper config i only have
Cpu speed(200 Mghz which btw cant be changed or something and Ram Voltage 1.5).

Then you'll be limited by how high your ram will want to go.
Bump the cpu speed to 215 and give it a go. Download cinebench and run it as a cpu test, if it passes you're golden.
post #5 of 6
Thread Starter 
i tried but it doesnt allow me to make any changes of that in the bios why not go for a 3% of that standard overcklocking option and then try for 5% if stable>
post #6 of 6
You could also do that...test with cinebench and monitor temperatures using Coretemp. You should be fine for a small increment like that, but where's the fun in auto oc?
Also, auto oc options tend to overvolt the cpu too much.
Give it a try, but then try to change the htt speed to 210 or 215mhz. You should have the option, you're probably missing a setting to enable manual overclocking.
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