Overclocking amd sempron 2800+

Amd Sempron 2800+ processor
November 15, 2010 at 04:01:09
Specs: Windows XP, 1.6GHz and 1.5 Gb ram
Hello. I whant to overclock my old cpu... I have k8nf3-vsta motherboard, 1.5gb of ram (2 sticks, 1gb and 512mb. ddr sdram, PC3200 Frequency 166,200MHz), cpu is runing at 1.6 GHz. How much could i get overclocked of this set? :)

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#1
November 15, 2010 at 19:04:23
You should be able to get it up to at least 2.0GHz.

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#2
November 16, 2010 at 04:29:33
Btw, Temps in stock are ~38. Coller-stock. Can you say what should i change in my bios? I know first FSB, but other things. Thanks. :)

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#3
November 16, 2010 at 04:39:20

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#4
November 16, 2010 at 04:49:25
okay, but what settings should i use to get 2GHz stable?

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#5
November 16, 2010 at 05:54:33
There is no FSB on AMD systems. Have you ever overclocked before??

Your stock CPU settings are 8 x 200MHz. That 200MHz is the called CPU frequency aka CPU reference clock. You need to increase it to 250MHz. But you need to realize that increasing the CPU freq has a domino effect on the PCI, PCIe, RAM, HT, so you have to adjust those settings so that they don't go out of whack & prevent the system from booting.

EDIT: sorry, I overlooked the model number in the OP.


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#6
November 16, 2010 at 09:49:56
No i didin't overclocked ever before.. here is what everest shows on my motherboard: http://www.part.lt/img/7b338e80b426...

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#7
November 16, 2010 at 12:36:35
Do you have DDR333 paired up with DDR400? That will make all the RAM run at 166MHz. I need to know this to provide the proper BIOS settings.

http://www.asrock.com/mb/overview.a...


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#8
November 17, 2010 at 07:58:23
I dont really know what are my ram, i will give you CPU-Z ram screen. 1st 512 MB http://www.part.lt/img/f18eed12e88d... 2nd 1 GB http://www.part.lt/img/37d8b5b48289...

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#9
November 17, 2010 at 08:39:37
both of the ram are pc2-3200 running at 200MHz which means u have DDR 400 paired together but of different sizes which makes them running at a 64-bit memory bus single channel this shouldnt be a problem tho u can still manage the 2.0GHz with those rams if u manage the voltage properly and the cpu multiplier. AMD processors dont have "fsb"anymore they have hyper transport
u have a multiplier of 8 and a hypertransport of 200
if u manage to get what mickliq said u could get the 200 to 250 MHz be sure to follow mickliqs further responses on managing PCI and PCI-E buses respectiively in accordance to cpu and ram good luck

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#10
November 17, 2010 at 11:52:39
Thank you ;) Lets wait for mickliq answers :)

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