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No Multiplier function

post #1 of 19
Thread Starter 
I have the AMD Athlon 64 3500+ and i have overclocked to 2.53ghz

At 230MHZ is where i've stopped.

I have been reading up and i am still not sure about the dividers and ram speed as i do not see any of these options in the bios.

There is also no menu to change the multiplier.

Could someone please help

P.s Cooling is no problem. Could anyone give newbie steps to upping my processing power
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post #2 of 19
Welcome to the forum.
Provide a link to your MB manual to see what options are available.

2.5GHz is a good OC on Air (Stock?) and is about the average for thee 3500 CPUs.

What stepping & week is the CPU?
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post #3 of 19
Thread Starter 
http://www.msi.com.tw/program/suppor...UID=637&kind=1

Its a K8N Neo4 Platinum Motherboard

What does "stepping and week" mean?

And the cooling is no way near standard.

My bro informed me that we have 10 fans in our tower
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post #4 of 19
According to the manual (p 3-10)

In advanced chipset features, select DRAM Configuration. You will see a screen with all the timings and stuff. The Memclock index value is the one you want (the top one). When this is set at 200MHz, this means that the RAM will run 1:1 with the CPU. Any lower value, and you'll have a RAM divider, running the RAM slower than the CPU

Also, even though you have many case fans, you might still have the stock heatsink and fan (the ones that came in the AMD box). If you overclock heavily, you should seriously consider aftermarket cooling. The Thermaltake Big Typhoon is praised highly on this forum:
http://www.newegg.com/Product/Produc...82E16835106061

Finally, 8 or 10 fans does not necessarily mean you have good airflow. How are they setup? (intake on front and side, exhaust on back and top probably works best usually)
    
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post #5 of 19
Thread Starter 
Well i have 2 fans blowing from the fron through slits in the tower.

3 fans at the back blowing air out the back.

And when i check the PC Alert 4 i have it is always reading 32 degrees C (way below the recommended 45 to stay under)

So do i want to lower the memclock and raise the FSB from 230 to something like 240/250

I'm looking for about 2.7/2.8ghz
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post #6 of 19
If you look at the CPU IHS you will see this information... see here on how to read.



As for Air cooling - your sig states Qty of Fans - this generally means Stock - if you have some other 3rd party HSF then change it so other members will know. Air cooling will only get you so far with any OC.

Look in your manual and you will see a section on the BIOS (CELL Menu) and making changes ... these manual changes will help you take control and maybe get that bit further.
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post #7 of 19
I assume 32C is idle... which is good. When you overclock though, you want to keep a close eye on the temps. Under load, they increase quite a bit obviously.
    
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post #8 of 19
Thread Starter 
well i tried the CPU FBS at 240MHZ and it wouldn't start so going through trial and error i found 231MHZ is the max i can get stable.

this gives me 2.53ghz

I've went through the CELL menu and i don't know what else to do to get up to 2.7ghz

I can't follow the amd overclocking guide because it talks about memory timings which i don't know how to change so i can't find my Memory's max FSB.

Sorry for any hassle i'm causing
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post #9 of 19
No hassle at all, that's what we're here for

Ok, did you find the menu in the BIOS with the DRAM settings? (see p 3-10 of your manual). There can adjust the timings and stuff. Normally, ram timings are stated in a series of numbers such as 2.5-3-3-8. I found this explanation, which might help you:
http://www.techpowerup.com/articles/...AMD/memory/131

To loosen the timings, just change the number.. for example, CAS latency is now 2.5, and you can change it to 3 to loosen the timing.

Maybe by running a RAM divider (by dropping down the Memclock Index Value), you can get a bit higher on your CPU?
    
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post #10 of 19
for now ignore your timings as adding all that in while trying to find you fsb for a new ocer is just a pain. I know it was for me. Find a divider for your ram and put it on the 166/333 divider it miht also say 5:6 divider. Then once the cpu doesnt boot up the cput voltage a notch, but watch your temps. When you think youve gotten to a good spot then use OCCT 30 min stability test to see if it passes and watch yor temps. GL

edit : is your HT multi at x4? or it might say 800mhz
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