Xp 2500 Mobile W/ Abit Nf7-s 2.0

[Cablerat]

I've been reading up on the extreme overclocking capabilities of these chips and I'm curious what else I could do to get a more stable setup.

My system.

AMD 2500 XP Mobile (Stepping 0) Believe it's an I not an A series?..
ABIT NF7-S rev 2.0, Bios 25 from ABIT using FLASHMENU.
Premier OCZ 2x512 Dual Channel PC3200 DDR 400 RAM.
ABIT SILURO Ti-4200 64MB Video
WD 80 GIG 7200 rpm 8mb Cache Drive

ThermalTake Silent Boost Air cool. (Sucks, but quiet)
Case open right now with a small fan trying to keep the cpu cooler.
430 WATT PSU (not sure what brand right now)

Window XP.
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The most stable setup I've gotten so far is..

System Clock 128x18 = 2305 Mhz

Core V. - 1.93V
DDR V. - 2.8V

Latency is OPTIMAL, 2.5 - 3 - 3 - 7 (I believe)

Prime95 went thru self tests no problem and ran up to 8 hours when I stopped it.

IDLE is about 50C, Load up to 65C.

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When I had it to 133x18 = 2400 Mhz, after about 45 mins of load it would crash.

Prime95 would result in rounding error within 5 mins of selftest.

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I can get it to 2550 Mhz to run, but minimal stability, prime95 like 10 secs before rounding error and ofcourse temps are in the high 60's.

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I had Samsung Ram before and could not get to even 2400 mhz. Since I switched to OCZ I'm doing much better. From reading up I've come to realize that my Core Voltage is generally much higher than other people have, but I can't get prime95 to run stable without hitting over 1.875V.

I'm wondering if the power supply is not powerful enough to provide stable voltage? What else could I look at to increase the performance and gain stability?

What kind of temperature ranges should I be in? I've been reading about people in low 50's or high 40s under prime load and air cooling! I'd like to stay with air cooling but I'm not sure what's the best bang for buck cooler? I'm using a thermaltake Silent boost, I was thinking maybe just replace the fan to something pushing more cfm.. My silent boost runs @ only 2300 rpm.

Any help is greatly appreciated!

Thanks,

Khosh

[texuspete00]

128*18! Yikes bro you need some fsb. You're ram is rated at 200 and you seem like you are using default timings. 2.4~2.5GHz is quite a common average even for a mobile. Ok, 2.4 is a little on the low side but with temps over 50 its not a huge surprise. Your errors sound like you need more volts but again, its too hot. 12*200 would be a better way to try and get 2.4 stable.

Just get the bus up instead, and temps a bit lower, and then you'll be good on that front only you'll have a lot of barton power for that card. Start clocking that as well or you won't see much of an improvement.

You could try reseatting the heatsink or turning the fan up. If still not good enough, thermalright is THE heatsink manufacturer in my eyes. Did I mention OC'ing the card!? :p:

edit: 1000th post..... :toast: Oh so now I'm an addict eh? 2 posts a day!? OK, I'll give it up same time as drinking and stuff. :eek: :D

[spaceman]

Put a better fan on the heatsink. And better case fans. Use the biggest fan you can make fit, adapters are pretty common. When shopping for fans, you want high cfm's (airflow), and low db, or decibals, (noise). :) And like texuspete says, go for 12x200, you'll see MUCH better performance. You probly just need a bit more voltage on the mem & Northbridge, to run 200 FSB. Good luck.