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Killed my QX6700! but New GO L720B is better!

The only thing i can think of is that being under phase for 2 months might well have had an effect on the epoxy intel use to put the ICH on the CPU's.

epoxy cracks when frozen and then when it went back to water cooling the expansion of the epoxy might have cracked a core or to. but i have never read anywhere that this had happened before so its only guess work!

The thing is the cpu was 100% solid untill the reset of death, which it had never done before. it just shut off instantly and restarted to another reset after a long boot and poor performance of no longer than 10 mins. then no more, just constantly restarting with no M/B beeps or beeps from the enermax galaxy 1000w which has its own diagnostics beep system for PSU problems.

The only thing i will say is if i turned off the power for 30 mins it would post to bios load screen and sit there frozen on the loading USB devices screen, then it would reset and keep reseting untill it was turned off.

This new GO chip runs cooler and has been 100% solid since instalation in the same board with same hardware.


<maddness> can i have the QX6700

please
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Well iam going to make a key ring out of it, to most it will look like junk, but for me it will be the most expensive key ring i have ever owned, cant wait to see people reaction if they ask what it is ect and i say it cost £600. never know i might get some dimwit to buy it lol but i dout it!
 
I remember reading hard ocp a few yrs back when the PIV they o'ced to 4Ghz or somesuch under LN i think popped its heatspreader due to the cold, think the chip fried too.
 
@Angilion

im not saying cpu's die quick if they get switched on and off all the time. im just saying it shortens their life span. and you cant compare 25year old cpu's with todays cpu's that are much more complex. i bet 25year old cpu's didnt even need fans on them just a heatsink or something, what speed are they running at 10hz? or something really low which prolly doesnt generate much heat, nowt compared to todays heaters anyway.

i dnt think 40c is moderate in this case because the cpu had been chilling at 0c for two months. i know the cpu manual says it can take 70c or so. thing is that the cpu was chilling at 0c for 2 months and then to 42c. u know how things contract and expand due to heat, i just see the insides of cpu's being flaky thin and fragile transistors and what not(and its a quad so they'd be how many millions?). maybe the internals of the cpu got used to 0c then suddenly it went to 42c and something expanded more than it should have due to the major quick temp rise.

i could be wrong.....just my opinion.
 
vapour matt when did it mess up the first time? was it like as soon as you put it on water or like a few days/weeks after it had been on water?
 
well it wasnt instantly but it had been back on water about 2 days. but i have the same opinion, i think the thermal epoxy used for the ICH on the cpu's went brittle under phase, then when run on water the expasion of instant heat when loading cracked a core or 2. then it was death!
 
The fact this is your second kill is interesting! I doubt any healthy 4 month old processor will die like that. Ive had my 3000+ newcastle at 1.92v for over a month on air, its 5 or so years old now and still running perfectly on 1.55v. CPUs are not as fragile as many believe.
 
Are you even gonna consider an RMA? Nothing to lose and could be worth a shot (did u scan your IHS before lapping?).
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Well i bought the chip from OCUK so perhaps somone in the know will be able to tell me if its worth an RMA the cpu itself looks perfect! a nice shinny ICH nice and flat as it was a little concave to start with, only reason i lapped it really was to keep temps at the min. the chip never got hot even on water was cooled by a d-tek fuzion.

I guess your better off having a concave ICH and frying it than trying to lap it incase somthing like this happens!

Perhaps gibo can tell me if its worth an RMA
 
No, he has no warranty - but if he contacts Intel they might do him a deal or something. I think they'd love to get their hands on a dead Extreme with 'history'.

Extreme overclocking puts huge stress on CPU's and I'd say they'll want to see it more than they're bothered about the IHS being lapped. Even if they just offered a discount on something else, it would be something.

Nothing ventured, nothing gained.
 
WJA96 said:
Nothing ventured, nothing gained.
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Exactly!

He's got nothing to lose! :)

[edit] always a good idea to scan your chip before lapping. .

mye6300editqp5.jpg
 
muggs said:
@angilion

im not saying cpu's die quick if they get switched on and off all the time. im just saying it shortens their life span. and you cant compare 25year old cpu's with todays cpu's that are much more complex. i bet 25year old cpu's didnt even need fans on them just a heatsink or something, what speed are they running at 10hz? or something really low which prolly doesnt generate much heat, nowt compared to todays heaters anyway.

i dnt think 40c is moderate in this case because the cpu had been chilling at 0c for two months. i know the cpu manual says it can take 70c or so. thing is that the cpu was chilling at 0c for 2 months and then to 42c. u know how things contract and expand due to heat, i just see the insides of cpu's being flaky thin and fragile transistors and what not(and its a quad so they'd be how many millions?). maybe the internals of the cpu got used to 0c then suddenly it went to 42c and something expanded more than it should have due to the major quick temp rise.

i could be wrong.....just my opinion.
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My Amiga 1200's 68040 25Mhz accelerator card still works like a dream that had a tiny 3cm fan on it, over a decade old now :P Even had it overclocked slightly using a different timing crystal. Think i got 27Mhz out of it or something.
 
You could always tell them that the nickel plate has worn off due to the number of times you have had to remount your heatsink in vain due to the crap concave finish of the original:D
 
I havnt decided what to do with it yet, how do you go about an RMA with intel anyway! i would imagine its not easy as proberly resellers handle the rma's when it comes to CPU's

If i can find out where to rma to i may aswell give it a shot with a letter explaing why its lapped and understanding that it voids the warrenty, perhaps intel might make a little bit more effort in its ICH aplication to try and make sure they are as close to flat as possible.

so any help on how i would go about an rma with intel would be helpfull!

Cheers!
 
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