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Z68 Failure.

post #1 of 13
Thread Starter 
OK so I've suffered a ASUS board failure possibly from too much voltage at one point, and possibly due to a brown out at another. However it did get me thinking.

I'm using water cooling.

So what are peoples thoughts on the fact that there is no airflow with these coolers over the rest of the board.

Gigabyte use this picture to show the air flow.



Now I do not have that air flow over my board, just the airflow through the case. Has this been part of the cause of my failure?

I do think my failure was my own doing from too much voltage, but it would be interesting to see what people think.
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post #2 of 13
I don't have that airflow either because I don't have a stock heatsink (that is a stock Intel heatsink in that image).

What failure did you have?

How much core voltage did you use, and for how long?

Brownouts should be safe with PSUs like yours because they adapt instantly. I had 3 brownouts in one day without any issues afterward.
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post #3 of 13
Thread Starter 
Various voltages at various times. Up to 1.5 ish but also pushed the other voltages up as well. There is also a chance that the PSU was undersized for everything I had. Have since upgraded to a larger one.

Just more interested in people thoughts on the airflow over the board.
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post #4 of 13
Quote:
Originally Posted by lupin_ View Post
Various voltages at various times. Up to 1.5 ish but also pushed the other voltages up as well. There is also a chance that the PSU was undersized for everything I had. Have since upgraded to a larger one.

Just more interested in people thoughts on the airflow over the board.
I know that you're interested in the airflow details, but I think that isn't worth being concerned about.

Using 1.5V is safe until you use it every single day, 24/7.

What were the other voltages you increased, and what were the exact voltages you used?

Also, what failure did you have?

Finally: which PSU did you have before?
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post #5 of 13
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
Using 1.5V is safe until you use it every single day, 24/7.
Yes only for a quick bench

Quote:
What were the other voltages you increased, and what were the exact voltages you used?
Think the main one may have been the memory voltage that did damage. had it at 1.675 at one stage. Seem to remember thats where a lot of the problems started.

Quote:
Also, what failure did you have?
It began like this. Would not come out of stanby. Then blue screens started, then got the no keyboard detected error in the bios, then stopped posting, then finally came to the VGA led being stuck on. After a bit of a read of a few various forums, it seems that this has happened to a few people. All resulting in a new mother board being required.

Quote:
Finally: which PSU did you have before?
Was the HX650 have upgraded to the AX850.

I initially thought it was the power supply, but it seems that it was not.
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post #6 of 13
Quote:
Originally Posted by lupin_ View Post
Yes only for a quick bench
Oh, then that's fine.


Quote:
Originally Posted by lupin_ View Post
Think the main one may have been the memory voltage that did damage. had it at 1.675 at one stage. Seem to remember thats where a lot of the problems started.
Generally, this should be pretty safe. However, instability can occur at this voltage if the VCCIO is not within at least 0.5V of it. So at 1.675V, the VCCIO would need to be at least 1.175V.

I don't know whether or not this was the actual cause for all of the problems.


Quote:
Originally Posted by lupin_ View Post
It began like this. Would not come out of stanby. Then blue screens started, then got the no keyboard detected error in the bios, then stopped posting, then finally came to the VGA led being stuck on. After a bit of a read of a few various forums, it seems that this has happened to a few people. All resulting in a new mother board being required.
Whoa. That sounds pretty heavy.

Does loading the "optimized defaults" (press F5) in the UEFI help?



Quote:
Originally Posted by lupin_ View Post
Was the HX650 have upgraded to the AX850.

I initially thought it was the power supply, but it seems that it was not.
Oh yeah, the HX650 (or the HX620, which is listed in your sig rig) is actually way more than enough for this system.

When I had those 3 brownouts in one day, I had the same HX650 that I still have today. When the brownouts occured, my system kept going as though nothing happened. There I was with hardly any light, still using my computer. I panicked the first time and shut down as fast as I could, but the 2nd time I shut down a little slower while still panicking. The 3rd time I just said "sigh... what the hell? I'm not shutting down this time. I am in the middle of a giant post on OCN! FFFUUUUUUUUUU". So I finished the post, saved it and then shut down. I couldn't submit it because the brownout turned off my cable modem and router. hehe
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
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post #7 of 13
Thread Starter 
Quote:
Originally Posted by TwoCables View Post

Whoa. That sounds pretty heavy.

Does loading the "optimized defaults" (press F5) in the UEFI help?
Board never gets to a stage where anything is able to be pressed, and yes its had a CMOS reset, even attempted a hard reset (no cpu) and still I get nothing.

Yes I meant HX620.
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Intelinator.
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post #8 of 13
Dammit.

RMA time?
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It's a computer!
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CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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post #9 of 13
Thread Starter 
Quote:
Originally Posted by TwoCables View Post
Dammit.

RMA time?
Yea packing it up tonight to send off.
Intelinator.
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Intelinator.
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post #10 of 13
Quote:
Originally Posted by lupin_ View Post
Yea packing it up tonight to send off.
Damn. You have my total sympathy. I'd be more depressed than anyone on earth right now. My computer is everything to me.
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250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
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Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
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It's a computer!
(19 items)
 
  
CPUMotherboardGraphicsRAM
i5-2500K @ 4.5GHz (1.368-1.384V fixed voltage) ASUS P8P67 EVO B3 (UEFI ver. 1850) GTX 780 ASUS DirectCU II (1228 / 6300, 1.180V) G.SKILL Ripjaws X 8GB (2 x 4GB) 1866MHz, CL9 
Hard DriveHard DriveHard DriveOptical Drive
250 GB Samsung 840 EVO (C:\) 250 GB Samsung 840 EVO (D:\) 150 GB WD VelociRaptor Samsung SH-S243N 24x DVD Burner 
Optical DriveCoolingOSMonitor
Samsung SH-S203N 20X DVD Burner Thermaltake Frio Win 7 Home Premium x64 SP1 Retail AOC G2460PG (24" 1920 x 1080 144Hz G-SYNC) 
KeyboardPowerCaseMouse
Filco Majestouch 104-key Cherry MX Blues w/NKRO Corsair HX650 (Bronze, ordered on 12-12-2009) CM 690 Intellimouse Optical (1.1A) 1000Hz polling rate 
Mouse PadAudioAudio
Basic, but premium round X-Fi Titanium HD Klipsch ProMedia 2.1 (with 16 AWG Monster Cable... 
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