XP 2500+ overclocking

baboy

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Apr 3, 2006
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2.2GHZ should be fairly easy. so 3200+
If you have:
1. Decent power supply.. 350 watts or better
2. decent cooling..HS with copper base
3. 400mhz memory
4. Motherboard that support 400mhz fsb
All you have to do is change the fsb to 200mhz in the bios (ddr400)
200x11=2200. If you have decent ram you can try to adjust the fsb to higher speed to see if you can squeeze further performance out of it. Example. I some time run cas 2.5-3-3-6 220x12.5.
I believe you are locked with an 11 multiplier unless you want to unlock it. which requires cutting and shorting specific L1 the bridges on the cpu.
Well I could go on all day on this topic. Maybe somebody else wants to comment.


I have a mobile barton 2500+
I use a 550 watt generic power supply
Geil 3200 2-3-3-6 ram 512x2 sticks
epox 8RDA6+ Pro nForce 2 Ultra 400 board
4x WD raptor 360gd in raid 0
2 x wd 250gb ide 133 drives
volcano 12 heatsink
I clock at 2200 at 1.6V when I am not gaming
I can get between 2.5/2.6ghz stable when I want to game.

At 2.6 I use 1.975V and it really gets hot in my room.
I use that mode during the winter or if I really need it
When I am browsing the web I go down to 5x200 or 1ghz at 1.45 volts
I can run with my fans all the way down.
Keep in mind this a mobile chip, I have full control of the multiplier
I think I could get higher if I had a better power supply
I also have moded my case with several 120mm fans and all my HDD'S HAVE FANS.
ACTIVE COOLING ON THE CHIPSET WITH LATEST ARTIC SILVER
 

GherkinPekul

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Feb 19, 2006
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I have the same motherboard and cpu. I'm running a similar TT heatsink-solid copper version of yours. Currently, mine is @2125.4 MHz with a x12.5 multiplier and my FSB is at 170 MHz. Now that I've cleaned all the fuzz out of my heatsink, I'm at 30 C. I've been running it like this for 2 years. I could go higher, but I need to hand this one down to my wife when I build my new one.
I'm using artic silver ceramique, would be a tad cooler with silver, but copper sinks were new when I got this, and didn't want to risk a catalytic reaction (unfounded fear).
Good luck
 

ttibbetts

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Jan 27, 2006
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Hmm. That would be nice for the arctic wasteland where I live (AKA Michigan).

Yeah the computers help heat in the winter but a/c price kills you in the summer to keep it all cool . The price of our toys keep going up ...(also Mi.)
 

sevendp

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i have barton 2500 OC to 2,2GHz stable on Gigabyte GA7N400L, Kingston KVR 768MB PC 2700 - 2,5 3 3 7
default voltage
CPU cooler TT TR2-M4 with AS5

temp idle 50c, full load 60c

too hot right?
*thinking about TT Volcano 12*
 

TabrisDarkPeace

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Advice: Sell it and get an Athlon 64 3500+ while it is still worth something and before more people catch on to the following.

Similar clock speeds
Similar amount of cache

However:
http://www23.tomshardware.com/cpu.html?modelx=33&model1=246&chart=68&model2=269


Q) Are you going to get that +38% performance by overclocking a Socket A processor to over 3 GHz ?

A) I highly doubt it.


Sorry to burst the bubble, I like overclocking + testing for ages too, but when it is more cost effective to do otherwise... :wink:

At least your RAM, HDD, etc could be ported to new platform.

The longer you wait, the less it is worth.

If you're smart for $1/day you can have bleeding edge hardware using my simple four step process.

(1) buy hardware, start saving $1/day,
(2) keep hardware for 9-18 months,
(3) sell before devalued to far, say -40% on original price,
(4) reinvest sales revenue on said ('not so old') hardware plus the $1/day savings (over 9-18 month period) into new hardware,

* - Repeat process until you're system specs can't get any higher or no requirement to upgrade for a longer term period.
 

clipo

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May 2, 2006
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Hi ive replied to a few posts reguaring XP-A OC'ing so here is the 4th time ive cut-n-past the reply im sure it will get me banned if I carry on doing this but its is relavent so here it is........


Ive got a XP1700 0.13u thurbread rev B and its clocking in at the top end for the XP cores and thats only 2.25GHz so if your getting 2.2GHz your almost at the max for the XP series with out going to extreams,
ive got a very nice Alpha PAL 90 cooling it and im at the limit of the core so heats not an issue with my clock.

I would say that if you cool your chip a little better prob boost the volts a little bit more you will get that extra 50Hz or a bit more from it, the fastest XP ever in this core was the XP3200 and that ran at 2.2GHz so that the fastest AMD could get from the core reliably so you shouldn't expect massive gains from this figure.

If memmory serves me correct ive got the core at 1.65V with a FSB of 333MHz for the sweet spot for my CPU and its been running at this speed and volt for a good few years now, my mobo is a A-Bit NF7 V2 and with this combo and the cpu the multiplier is unlocked and set to 7.

hope that info helps you a little.
 

vimka

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Mar 26, 2006
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2.25 GHz is nowhere near the max these chips will put out. I can get my Barton 2500+ up to 2.5 GHz on air, and stable. It runs too hot with my current CPU fan, so I leave it at 2.2 GHz. I'm confident that with better cooling and RAM, I could get it to 2.7 GHz.

And I have seen people (with crazy cooling) get XPs up above 3 GHz.
 

Anoobis

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Providing you have DDR400(PC3200), you can then easily increase the FSB to 200Mhz without any voltage increase.

Don't bother try any voltage above 1.75V, your heatsink can't handle it.
Good, because I believe the OP is very limited on his voltage options with the a7n8x anyway, IIRC.
 

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