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hi i was wondering if anyone could help me with overclocking my amd athlon 64 3400+
specs:
CPU: AMD Athlon 64 3400+,Socket 754,2.4ghz
Motherboard:ASUS k8-ne, socket 754,nforce3 250gb,system bus 1600

I assume you have DDR400 RAM?
Go into the BIOS & change these settings:
- set CPU Freq to 250MHz
- set the HT (or LDT) multi to 3x (possibly 600MHz)
- set the RAM speed at DDR333
- lock the AGP at 67MHz (not 66MHz)
- disable any Spread Spectrum settings
- disable Cool 'n Quiet
- if necessary, increase the CPU voltage slightly to stabilize the overclockThe CPU will then run at 3.0GHz & the RAM will run at approx 208MHz

Given you have a newcastle 130nm a64 CPU, its not going to achieve 3.0Ghz without high end cooling. Your best bet will be 2.6-2.7Ghz range...
TMP-ManAsus P5P800-SE PAT
P4 506 @ 4009Mhz 1.3625v
Thermaltake CLP0024 w/ 1700RPM 92MM + AS5
2GB OCZ 2-3-2-5 DDR400
120GB/300GB 7200RPM HD
Leadtek 7600 AGP 590/1600 VF700 ALCU AS5

I just realized that you & I have the same motherboard. What TMP-Man said about your CPU is probably true UNLESS you have this version of the 3400+:
If you don't know whether you have a 130nm/1.50v CPU or a 90nm/1.40v CPU, but if you don't know either, CPUZ will supply you with that info:
Here's 4 screenshots of my current BIOS settings:
The only settings that will be different for you will be the Processor Frequency Multiplier & the CPU Voltage (screenshot #1)

hey, i ran CPUZ and under voltage the number fluctuated between 1.488 and 1.504 so im not sure whether that qualifies as 1.4v or 1.5v. also do those screenshots show what i should set my settings to to overclock?
-P.S.- Thanks alot for the information youve provided so far.

Go back to CPUZ & look to the left of voltage...see what's listed for "technology". My guess is TMP-Man was correct & it will say 130nm.

it says .13 um, shall i go ahead and give the overclock a shot? also TMP-Man said i wouldnt b able to get it to 3.0Ghz without special cooling, how do i know what to set it to so it doesnt overheat itself?

.013 um is 130 nanometer or 130 nm.
That clarifies that your CPU is what TMP-Man guessed it be. You can go ahead and overclock, but you will not achieve 3GHz w/o extra cooling.
Do as jam said in response 1, but instead of 250 MHz, set the CPU freq to 225MHz, which will give you 2.7GHz. If the machine gets unstable, then just lower it a bit, say 220. My guess is that it must be stable at 220MHz w/o needing a Vcore increase. To go 225Mhz or more you may need to increase your Vcore one or two steps.
With this, your RAM will be slightly underclocked, but it should not make affect performance by much. For processor intensive tasks, the gain in CPU speed will offset the slight slump due to a slightly slower RAM.

My friend has a 3200+ newcastle 2.2G default with gigabyte K8N motheboard. The max I can overclock for his CPU is 2.5Ghz running at 227 x 11 ~ 2.5Ghz @ 1.6v stock heatsink AS5 (Boot to windows only). He is now running at 219 x 11 ~ 2.4G @ 1.55v CPU:RAM = 1:1.83 400Mhz DDR 3-4-4-8 +0.1v dimm HTT = 3x 100% stable... 38C idle /45C load...
TMP-ManAsus P5P800-SE PAT
P4 506 @ 4009Mhz 1.3625v
Thermaltake CLP0024 w/ 1700RPM 92MM + AS5
2GB OCZ 2-3-2-5 DDR400
120GB/300GB 7200RPM HD
Leadtek 7600 AGP 590/1600 VF700 ALCU AS5

first you need a chipset that works nforce4 and nforce5 are junk - i suggest you get a core 2 duo and use nforce6!

first you need a chipset that works nforce4 and nforce5 are junk - i suggest you get a core 2 duo and use nforce6!
sven60890, dont let that affect you. Several of us here, including jam and myself are on nforce chipsets. It needs no telling that nforce 4 and 5 have been amongst (or the) best chipsets for performance and reliability for sometime now.
clearly, some people do not know what they are talking about.
Kailas Shastry
3000+ Venice, A8N-E, 768MB DDR266, 160GB Barracuda, 380W Cooler Master

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