do not get AQXFA 0337MPM

[helloguy]

I repeat, DO NOT GET THE AQXFA 0337MPM Barton 2500+ , it is NOT overclockable AT ALL !! Tried on A7V600 with Kingston DDR400, Corsair 2700, no joy over 174MHz FSB~! Even at 1.85v vcore,2.75v vdimm,1006 bios. Btw, did I say that it IS locked?

[Miknow]

its locked? I though only week 39 and after was

[helloguy]

yup,locked. No matter what multipliers I try, some may boot as 11x(default), others may not POST at all.

[Miknow]

what motherboard you using

[helloguy]

Originally posted by helloguy
I repeat, DO NOT GET THE AQXFA 0337MPM Barton 2500+ , it is NOT overclockable AT ALL !! Tried on A7V600 with Kingston DDR400, Corsair 2700, no joy over 174MHz FSB~! Even at 1.85v vcore,2.75v vdimm,1006 bios. Btw, did I say that it IS locked?

[mfjonny]

Hahahahha.....

I'm sorry. DO NOT BUY A FERRARI... Mine won't go over 100mph... ALL Ferraris suck butt.

There are a HUNDREDS of reasons why your SYSTEM won't overclock, the cpu is but one component. You can have faulty ram, you can have faulty board, faulty PSU, faulty HSF... etc., etc., etc. It can be that your TIM is bad or you seated the chip or the HSF slightly off...

Here are some more specific things for your system: Your board does NOT have AGP PCI lock, yer using DDR2700 which is rated for 333fsb, your motherboard, though not certain, does not have a 1/6 divider and you've listed nothing about your coolings, especially your HSF. What about PSU?

Good luck, bro.

[AL Romero]

give the guy a break, he doesnt sound like hes having a good time :)

[helloguy]

a7v600 officially supports 200fsb cpus,therefore it DOES exists for 1/6 divider when u select 200.PSU - Antec trupower 380, cooling - below 50C full load. Kingston DDR400 is rated for 400 3338 btw,set the timings to loosest made no diff...

[Soja]

Does the chip fail to post when overclocked even 1mhz? Are you using DDR400 or pc2700 or did you mean you tried both with no success?

mfjonny, a locked cpu is a very good reason NOT to buy one... Also his board does have a 1/6 divider.

[helloguy]

100% stable with 174. At 175,no matter what u give it,it just won't stay stable. It booted in windows though,prime 95 errors,hang after a while....etc. Both sticks are able to handle 180mhz(2-2-2-5) for 8rda+ board.

[Soja]

That is horrible :-/ Are your voltages stable?

[helloguy]

according to bios and pc probe, 5v--4.919, 12v--11.712 , 3.3v -- 3.216 . The graph looks straight like a line. This is the only CPU I've overclocked to date which really utilizes the 'PFT'(Permanent Frequency Technology).To earn more $$ ? This is the way to go AMD~ :)

[Soja]

Yeah, losing buyers (enthusiast and overclockers) is great for business :rolleyes:

[mfjonny]

Are you sure your chip is locked?

http://forum.oc-forums.com/vb/showthread.php?s=&threadid=244237

So far lists 41st week to be the earliest to be locked...

Now, I apologize if my sarcasm was offensive... But the point I was trying to make was that having a bad or non-OC isn't always due to CPU alone and suggesting that an entire set of chips are bad because of ONE person using ONE such CPU couldn't dot it - well you gotta a admit thats a bit OFF.

Here's a good read about OC.
http://www.overclockers.com/articles884/

Several components make for a good OC, CPU is but ONE of them.

[helloguy]

think so,tried most of the multipliers didn't work,so i assume it is locked ??

[Steven4563]

try the chip in a different comp if u can

[maxima88]

I'm sorry to break the news to you helloguy but my XP2600+ AQZFA 0337 is unlocked and so it the one HOOT has.

They practically are the same chip.

I've also been able to get it to 2287mhz (12.5X183) stable. And HOOT has gotten it ever higher If I'm not mistaken.

You need to go over your system specs and settings to make sure everything is ok.

[Hoot]

Make sure any Spread Spectrum parameter in the BIOS is turned off as well as any Variable Speed/Dynamic Throttling/whatever they call it, parameter. You should be able to do 11x200 at 1.65V and worse-case memory timing of 2.5-3-3-11 with Vdimm at 2.7V.

Hoot

[helloguy]

but mine is AQXFA....I think its different from urs AQZFA... ?? yup, and tried lowest timing(3-3-3-8), disabled 1T and bank interleave,1.65,1.7,1.75,1.8,1.85v all no stability for even 11x175 !

[Hoot]

They are the same week code, so we know they are the "new process" carrier. You may just have a low-achiever motherboard. Every motherboard model has the occasional "lemon".

Hoot

[helloguy]

perhaps......geeez...:(

[cujo]

or the cpu could just be a dud. i've had a AQXEA 0331TPAW that couldn't do 200x11 at default volts up to 1.9volts. a friend had identical chip that yielded same results. i also bought the famed overclocker an 1800 DLT3C JIUHB 0332MPMW and could do nothing over 200x10.5 with a 1.66vcore. upping vcore or speed resulted in no boot. temps on any of these chips never exceded 45C.

to sum it up, my guess is that some of my terrible luck with cpus has been passed on to you. and btw, even with an unlocked cpu you'd still be screwed so i don't know why ur making such a big deal out of it.

[helloguy]

Originally posted by cujo
or the cpu could just be a dud. i've had a AQXEA 0331TPAW that couldn't do 200x11 at default volts up to 1.9volts. a friend had identical chip that yielded same results. i also bought the famed overclocker a JIUHB 0332MPMW and could do nothing over 200x10.5 with a 1.66vcore. upping vcore or speed resulted in no boot. temps on any of these chips never exceded 45C.

to sum it up, my guess is that some of my terrible luck with cpus has been passed on to you. and btw, even with an unlocked cpu you'd still be screwed so i don't know why ur making such a big deal out of it.

yea....perhaps i'm really over-emphasizing....sorry guys.Guess I should stop posting for this.

[felinusz]

Well, I think that you either have a problem with other hardware in your machine, or have just gotten a bung chip. The stepping is really pretty irrelevant, only the week of production is truly important when judging a chips overclockability, and you cannot say "Don't buy XXXXX stepping" just because you got a bad one, or are having problems with yours. It just doesn't hold true - some are good, and some are bad, and you are playing a lottery when overclocking.

Past that I think that you should definetely try that chip out on another board, preferrably one with a nForce 2 chipset.

Originally posted by felinusz
Of any given "type" of processor (The DLT3C Thoroughbred "B being a type, the DUT3C Thoroughbed "A" being a type, the Locked Barton being a type, the unlocked Barton being a type, etc.) the newer weeks of production will (in general) overclock to higher levels with a lower overvolted Vcore requirement for true 24 hour prime95 torture test stability than older processors of the same "type". The week is displayed on the processor in the form XXXX, after the stepping (JIUHB being a common Thoroughbred stepping for eample).

An example of a full Thoroughbred stepping being AXDA DLT3C JIUHB 0319 WPMW (where the bolded text is the week of production, and the italisized text has no known meaning).

Good luck with it, I really hope you can get it to scale up stably for you. It sucks that it is locked too, talk about bad luck :(

[stamasd]

If you still want to try it, the A7V600 jas a jumper in the upper part of the mobo that unlocks the ability to pump higher voltage into the CPU. It is disabled by default. If you turn that on, it'll allow you to get up to 2.15V (I think). See the mobo manual, it's all in there. Maybe going higher on the voltage will do the trick. Make sure you have good cooling though.

Or you could RMA it.

(I have a 0334 AQXEA on a A7V600, works like a champ at 200x11)

[helloguy]

thanks for the replies guys...suddenly feel that there is still warmth.... :)

[KHysiek]

I have 2500 AQXFA 0334 MPMW, Abit AN7, cheap Coolermaster 8cm HSF. With 1.72 vcore it works fully stable at 200x10.5 (chipset voltage = 1.7).

[snvpa]

I have an a7v600 while not as good as my nf-7 it was an decent board. I had no problem getting my barton to 223*11. I gotta think there is something else holding you back. 99% of all amd chips of a given week fall within a standard deviation of 175mhz given the same system. Case in point I had 10 week 10 dlt3c 1700's all water cooled. Some green core some brown core. All did between 2450 and 2536.
There are the 1%+ chips that just aren't up to snuff but I'd say that there is something else holding you back.

[helloguy]

no idea, changed a few bios versions like 1005,1006, different voltages from 1.65--1.85v, turned down mem timings to the lowest,disable bank interleave,1t command, all did not help to get fsb 175. they would work pretty flawlessly with my 8rda+ though, with 180MHz(2-2-2-5).. but now running everything default, seems fine to me :) oc ? who cares~

[KnownKiller]

How come no one noticed that both his 12v and +3.3 lines are very low! Like i dont know how the system even runs with that super low 3.3 line aroun 3.21v.. And i bet thats takin while the systme is at idle.. i wonder whats its doing under load heh.

ALl the boards i've had probs with always had the low 3.3v line in the 3.20+. i bet its the board.. Also i bet if ya put all the voltages at defualt the system would be more stable and maybe even go higher with the FSB if you just try upping just the VDIMM alone and not the vcore.

[helloguy]

Originally posted by KnownKiller
How come no one noticed that both his 12v and +3.3 lines are very low! Like i dont know how the system even runs with that super low 3.3 line aroun 3.21v.. And i bet thats takin while the systme is at idle.. i wonder whats its doing under load heh.

ALl the boards i've had probs with always had the low 3.3v line in the 3.20+. i bet its the board.. Also i bet if ya put all the voltages at defualt the system would be more stable and maybe even go higher with the FSB if you just try upping just the VDIMM alone and not the vcore.

mmm...when I was with 8rda+, my 12v rail was like 11.512, its much more lower than now, 8rda+ managed to do over 200+ with loose timings... vdimm ? yup, tried 2.65,2.75,and 2.85v all did not work, still...i'm pretty happy with it now :)

[Hoot]

Originally posted by KnownKiller
How come no one noticed that both his 12v and +3.3 lines are very low! Like i dont know how the system even runs with that super low 3.3 line aroun 3.21v.. And i bet thats takin while the systme is at idle.. i wonder whats its doing under load heh.

ALl the boards i've had probs with always had the low 3.3v line in the 3.20+. i bet its the board.. Also i bet if ya put all the voltages at defualt the system would be more stable and maybe even go higher with the FSB if you just try upping just the VDIMM alone and not the vcore.

Is that actually measured on the board with a legitimate voltmeter or relying upon the onboard sensors which are notorious for not being highly accurate? Information is only as reliable as the source supplying it. My onboard sensor for the +3.3V says it is low, but my Fluke voltmeters say it is right on spec.

Hoot