AQXEA Barton. Weird act.

[CyNics]

Just got myself an AQXEA 0330 WPMW barton last week. this is a good stepping and should be able to clock high. However, it oc capability isn't what i've expected.

It can do 2.2ghz @stock voltage..but the funny thing is that it can't even do 2.3ghz@1.95v! failed prime after 30mins.
but I can load windows and benchmark the system or do gaming @2.42 using 1.95v too.
from 2.3ghz onward, no matter what voltage I use, prime95 fails after 29-34mins. not less than 29 nor more than 34. temp. is cool and no overheating problem.

so do you guys have any suggestions? Do you think i've hit the limit? but 2.2ghz@stock while can't do 2.3ghz even at 1.95v? isn't that weird? Could it be a BIOS bug? I have no idea please guide me.

I'm using Nf7-s rev2.0 here with BIOS v18, antec truepower PSU and kingston hyperX ram. board highest FSB can do 225

 

[osage]

give it a week or so, seems a lot of these chips OC better after they have been run for a while.

mine did

 

[Noid]

Your using way to much voltage ... anyway ...

A chip I recieved recently has the same stepping and week (same chip as yours)

and it does 2280 Mhz at 189.9 x 12 in my KX7-333 with 1.80v
(almost 2.3 ,,, CPU at it's limit I think)

The chip would not perform well,,, over 200fsb in my NF7-S v1.2 (P95 fails)

so I put my xp2600 back in

 

[Noid]

I re-tried my Barton,,, just dropped it in with the 2600's timings
(too scared to watch the bottom of 8th inning of Cubs game)

But ,,, before I did ,,, I looked at the L12 bridges ,, (cuz I was reading some stuff)

and saw the 1st bridge was cut,,, so I closed it...

so far AaaaOK ... running P95 ok so far ...

New 3DM01 of 18335 with same xp2600 settings ... so it's about 400 more points from the Bartons cache

So ,,,, I dont know if running it for a month or so in my KX7,,,, or the L12 bridge ..

 

[VisableAssassin]

Originally posted by: osage
give it a week or so, seems a lot of these chips OC better after they have been run for a while.

mine did

I havent actually tried to validate that...however on my older 2500+ which is about 7 months old...i bought it off of newegg when they got their very first shipment (yeah i paid 180 bucks for one) but it would do 2.3ghz 1.975v all day long...however after 6 months i tried to go higher and it wouldnt go........my new 2500+ is 2.3ghz 1.9v and ill try going higher later on in hopes that ill score a few more mhz :0 and ive got a 0330 like the thread starter.
as for 1.9v being to high...eh on air maybe but water id go about 2.075v max, AMD states that the model10 (barton) athlonxp can handle a MAX of .5v OVER stock so..1.65v+.5=2.15v but there is no way in hell you could get me to run my vcore that high.

 

[Noid]

Ran P95 all nite ....

I did a screen capture for you in signature.

 

[jiffylube1024]

Originally posted by: CyNics
Just got myself an AQXEA 0330 WPMW barton last week. this is a good stepping and should be able to clock high. However, it oc capability isn't what i've expected.

It can do 2.2ghz @stock voltage..but the funny thing is that it can't even do 2.3ghz@1.95v! failed prime after 30mins.
but I can load windows and benchmark the system or do gaming @2.42 using 1.95v too.
from 2.3ghz onward, no matter what voltage I use, prime95 fails after 29-34mins. not less than 29 nor more than 34. temp. is cool and no overheating problem.

so do you guys have any suggestions? Do you think i've hit the limit? but 2.2ghz@stock while can't do 2.3ghz even at 1.95v? isn't that weird? Could it be a BIOS bug? I have no idea please guide me.

I'm using Nf7-s rev2.0 here with BIOS v18, antec truepower PSU and kingston hyperX ram. board highest FSB can do 225

I have the same stepping as you (0330) and mine does the exact same thing. At stock voltage it can do 2.2 Ghz no problem, but even with 1.75V 2.3 Ghz isn't rock stable, and 2.4 Ghz is unstable. You'd think there would be a way to get 2.3 Ghz stable, since it boots and runs at 2.4 Ghz for awhile, but I haven't found a way on my chip. It is weird, I agree with you there!

Edit: NF7-S 2.0 and an Antec Trupower 430W here too. It could be the platform and not the CPU, but I've seen many other NF7-S users get 2.3-2.4 Ghz, so I would be leaning more on the CPU stepping being the cause of this behaviour.

 

[CyNics]

erm. 2.36 can run @1.75vcore, 1.80vcore, 1.90vcore, and 1.95vcore. but it just quit after 30mins. between 30-34mins it will give error.

checked my vcore, big fluctuation.
for example, @1.90, it will drop to 1.82min and 1.97max
but of cuz can't 100% trust the reading since it's not directly from the PSU.
and my mosfet is very damn hot.
do you think that might be the problem?

 

[Noid]

Many owners complain about the core fluxuations.
(and heat from some of the mosfets)

and ... I just realized I'm using 1.85v in BIOS

so ... my core drops to 1.80v on Prime95 load
(look at my 215 linky)

I have a year old Antec 430, so it's not that.
My Enermax 365 had a hard time suppling 5v and died on this MB thou

I took meter readings from the PS connector on the MB and found the
voltages OK , and no fluxing, at that time.