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Athlon 64 X2 Overclocking

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pablo906

Junior Member
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Running 250 HTT Mem 1:1

2750Mhz 2-5-2-2 timings

I'm still going.

This chip feels ungodly fast.
 
Damn you have a dynamo....

What was the week for the cpu???

This is just booting at defult vcore and not tested thoroughly yet?? Nonetheless booting means you could be within 100mhz os stable default speed and that is very nice...You may have a shot at 2.8ghz stable...
 
Nice, give us an update with some dual Prime action when you can.
 
BUt no stability testing yet??Just trying to boot into windows to get pic??? Any benchmarks run?? Like perhaps superpi or something???
 
Phase Change running about -20C right now
It's rock stable at 2.8 w/out a volt bump. I think I'll run that 24/7
I can push 3Ghz for bench runs but don't want to sit in windows long enough to fully bench there until I get some burn in on these parts. I'll do some higher runs this weekend after I get a couple days of burn in. So far this is ridiculously damn fast. This is the fastest machine I've ever layed my hands on. Smokes my two way Xeon and old P4 set up.
 
Phase...figures, I knew it was too good to be air. Envy...🙂
 
BTW, I just figured out that the other X2 I had that wouldn;t go over 2400 (with a 6800GT) with a 380 watt Antec true power, now they do 2532 and 2630 (respectively) stable on an Antec 430 !!! These babies do take quite a bit of power when overclocked, and at full load, and with a good video card. My other one is running fine at that speed on a 380, but has a 9600pro (fanless) video card.
 
dang I'm starting to think 4200 is the processor to get... holds the best OCs around.. even #1 PCmarks is from a 4200. nice OC🙂

edit: oh I just saw phase.... not so spectacular but still good🙂
 
Finally got a chance to play around with my X2 4400+ tonight. I'm kind of a noob oc'ing A64's but this is what I've got so far:

1st Attempt
300x8 1.4v
HT=3
RAM 2.5-4-3-5 1T 2.8v

Currently
270x10 1.475v
HT=4
RAM 2.5-3-3-5 1T 2.8v

Running dual Prime and single Folding. Temps at 52c. I can't believe how snappy this thing is. Very Impressed!!!
 
I can't get better than 2560 on either of mine, but I have NF3 chipsets with beta bios.. But I do agree they rock !!!
 
Originally posted by: Markfw900
I can't get better than 2560 on either of mine, but I have NF3 chipsets with beta bios.. But I do agree they rock !!!
Click to expand...

With all of the gear you have Mark, you should spend the dough and get yourself a NF4 board for the collection. 🙂

A guy in ocforums has his 4400+ at 2827 (257x11) on air.
 
Ok so here's the update. I killed the DFI NF4 UT SLI-DR. It seems 3.0Ghz at 1.53 vcore is pretty harsh on the power circuitry of this board. I did everything I could to revive it and no go. I had no condensations anywhere at all so it was definately the o/c that killed it. It appears everything else is still in tact. I had a new board overnighted but because of the holiday weekend it seems I won't get it unitl tomorrow. I think I may not go to work and o/c all day. I'll give an update tomorrow when I get the new board in. I hit 282x11 before it all went caputz. Beefy power supplies are a must. I'm running an Antec True Power 430W v2.0 the 380W from the wife's machine wasn't stable at 2.6Ghz air w/ prime 95 and 3dmark5. I'm going for 2.8Ghz stable everyday at default volts. I'd like be able to bench 3.2Ghz after burni n.
 
New board installed and runnign. These processors put out some serious heat under full load. I can't keep it below freezing with dual instances of Prime95. I think I'll have to regas this Prommy MK2 to really do anything with this processor. I can run 1 instance of Prime 95 on either core no problem for hours but when I run both cores at peak 15 minutes is all I get. I'm going to up the voltage and see what I can do without really going overboard.
 
this is so funny, it's a coin toss which core will fail with two instances of prime. There really is no rhyme or reason though the second core is failing about 25% more than the first. I'm not sold on Prime95 with these processors. Everyone is running into the same errors, I'm going to try two instances of SuperPi 32M w/ affinity to one core each and see what happens.


SuperPI crashed too volts are sitting at 1.425 now and it seems more stable at 2.8Ghz. Temps actually seem to have gone down which I completely don't understand. I was sitting at 2-4 F before at 1.4v now at 1.425v I'm at 0F. My power circuitry temps rose about 10F to 142F. Ram volts are sitting stable at 3.5v Prime95 still apparently is the best stability tester out there. I'm on 30 minutes without error. Will update and screenie shortly. If anyone can pull 3.8Ghz on air I'd be damn impressed if their processor survived more than a short while. I think water can top out safely in the 2.6Ghz-2.8Ghz range on average stable, and Phase Change won't be pushing more than 2.8Ghz - 3.1Ghz on single stage stable. You can get kamikaze runs faster than the numbers I wrote above but these are my observations from what I consider to be a very avergae X2 trying to get stable 24/7 speeds. Can people please post some comparison data if anyone here is o/c'n X2's on air/water/phase.
 
Nice OC there. My X2 OC is in my sig. I haven't really pushed it yet. I'm 100% stable at 2.8 GHz, and 1.4 Vcore. 🙂
 
same here with a 4200+, I can game etc. all I want now with 1.425vcore. It's prime stable at almost 2 hours so far. I'll let this run overnite and see how it goes. I've read that ppl have better luck out of the $1k Toledo's like yours. 400Mhz o/c to you is about 15% vs. 25% on the low end. I still firmly believe that 2.8Ghz is going ot be the avg. o/c. Obviously the higher end chips will fare better than my low end one.
 
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