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MOBO? CPU? Power Supply?

post #1 of 13
Thread Starter 
Hi guys,

Last week I tried to OC my system:

CPU:Q6600
Cooling: Corsair H70
Mobo: GA X48T-DQ6
RAM: 4Gb Corsair DDR3 1600Mhz
GPU: Nvidia GTX570
Power Supply: Glacial Power 550W

The OC wasn't possible, I had difficulty in keeping it stable getting random freeze ups or blue screens, even at low speeds (2.8Ghz). Initially I thought I was just being stupid, forgetting something or lacking in experience, etc.

The guys in the forum that helped me even said that it shouldn't be so hard and I agree.

Regardless, I've ordered new parts for a brand new system (my sig), and the old system described will be my wife's computer.

The issue now is that my computer isn't stable in stock settings. It does a random freeze up whenever RAM is used to maximum (sometimes on screen saver). I ran Prime95 on Blend and it freezes after a minute or so (everything stops working - screen goes like a "print screen" image). Funny that it doesn't freeze during small fft.

This is what I did:

I have replaced the RAM by a different one(s) - DDR3 (2x1Gb) 1333Mhz, memtested all of them (including the original ones) separately, no errors.

Also I've read a lot about Windows 7 having problems with the south bridge on intel mobos with ICH8 and ICH9 series and causing system freezes. I installed all updates, hotfixes, gigabyte chipset drivers, you name it I did it. No joy...

Sometimes (about 5x I remember), it would freeze up during BIOS operation (not the post screen but inside the BIOS).

Also, I have changed hard drives and even installed windows Vista 32bit in a different one, ran Prime95 on Blend, it also froze.

My guess now comes to 3 possibilities:

It could be the mobo - I didn't push the voltage too high but I did increase NB, DDR3 and FSB voltage.

It could be CPU - There was a point that I increased for a very short amount of time the CPU Vcore to almost 1.7V. Temperature reached a maximum of 65C and the computer didn't crash during that attempt. I was using Corsair H70 liquid cooling.

It could be the power supply - I haven't replaced this power supply for nearly 4 yrs. It's been working fine and before the OC attempt I had no issues at all.

Currently temperatures are in average around 55C with the stock cooling at stock speeds and I have installed my old GPU, a Nvidia 9600GT.

I am a bit clueless to what this is and although I worked a lot with computers professionally in the past, it's not like the good old times when I had spare parts all over the shop and I could just pull one off the shelf and try it on in order to rule out a piece of hardware.



Any takers? lol thanks guys.
Edited by helipilot - 4/29/11 at 11:52pm
post #2 of 13
I would almost definately say PSU is to blame,550W for that hardware could be just under what you need,also over time the PSU will lose efficiency and power output.Have you tryed that rig with the PSU from your sig rig to eliminate this as a possibility?If not it could be worth doing.If it is the PSU i would replace with a 700W or 800W,garunteed enough power for your system and any overclocks,as overclocking does increase power draw quite highly.
post #3 of 13
Thread Starter 
Quote:
Originally Posted by crossy82 View Post
I would almost definately say PSU is to blame,550W for that hardware could be just under what you need,also over time the PSU will lose efficiency and power output.Have you tryed that rig with the PSU from your sig rig to eliminate this as a possibility?If not it could be worth doing.If it is the PSU i would replace with a 700W or 800W,garunteed enough power for your system and any overclocks,as overclocking does increase power draw quite highly.
Thanks mate, good point. I'll try that one

I am a bit sceptical now with the Windows Memory Diagnostic as both my dimms came up with failed in INVC test (something like "expected 0000000" and "actual 0000001").

On the last test it didn't fail after 2 hours hours running it, and both RAM have failed on the same test just now (tested individually). I wonder if I cooked them during the OC process...

What do you think?
post #4 of 13
1.7v through a 32nm chip is suicide. Even ~5.9ghz doesn't require that much voltage.

Run memtest86+ too, I'm not sure about the Windows diagnostic.
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Beast
(14 items)
 
Dell XPS Faptop
(8 items)
 
Alura :)
(11 items)
 
CPUMotherboardGraphicsRAM
i7 4790k Asus Z97 Pro WIFI-AC Sapphire Nitro Radeon R9 Fury Tri-X OC+  G.Skill 4 x 8GB F3-2133C9D-16GXH 
Hard DriveOptical DriveCoolingOS
2 x Intel 730 480GB SSD in RAID 0 Asus DRW-24B1ST/BLK/B/AS Noctua NH-D15 Winblows 10 Pro x64 
MonitorKeyboardPowerCase
Pixio PX277 Logitech G510 Seasonic SS-660XP2 Fractal Design R4 Blackout 
MouseMouse Pad
Logitech G500 Xtrac Ripper 
CPUMotherboardGraphicsRAM
Core 2 Duo T5250 @ 1.5ghz Dell 0N6705 Mobile Intel 965 Express 2 x 2GB Hyundai/Kingston DDR2 533mhz 
Hard DriveOptical DriveOSMonitor
OCZ Summit 60GB SSD Slot Load DVD-RW Windows 7 Ultimate x64 13.3 inch 1280x800 
CPUMotherboardGraphicsRAM
i5 2500k Asus P8Z68-V Pro MSI R7970 Lightning BE 2 x 4GB G.Skill Ripjaws 2133mhz 
Hard DriveOptical DriveCoolingOS
Mushkin Enhanced Chronos 240GB and WD Black 1TB Asus DRW-24B1ST Cooler Master Hyper 212 EVO Windows 7 Ultimate x64 
MonitorPowerCase
Hannspree 24 inch Thermaltake Tough Power TP-750P 750W Gold Cooler Master HAF 932 
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post #5 of 13
Quote:
Originally Posted by helipilot View Post
Thanks mate, good point. I'll try that one

I am a bit sceptical now with the Windows Memory Diagnostic as both my dimms came up with failed in INVC test (something like "expected 0000000" and "actual 0000001").

On the last test it didn't fail after 2 hours hours running it, and both RAM have failed on the same test just now (tested individually). I wonder if I cooked them during the OC process...

What do you think?
Are they overclocked? Did u manually set the ram voltage? Did u make sure timings are set to specs?

Did u oc with fsb or multiplier? What are your voltages?
post #6 of 13
Thread Starter 
Quote:
Originally Posted by mastertrixter View Post
Are they overclocked? Did u manually set the ram voltage? Did u make sure timings are set to specs?

Did u oc with fsb or multiplier? What are your voltages?
I gave the RAM a little boost (1 notch up) on BIOS but the system is pretty much stock apart from that. I'll put it back to original settings.
post #7 of 13
Thread Starter 
Quote:
Originally Posted by Dopamin3 View Post
1.7v through a 32nm chip is suicide. Even ~5.9ghz doesn't require that much voltage.

Run memtest86+ too, I'm not sure about the Windows diagnostic.

Yes, I know. That was more of a last resort as I couldn't get my system to become stable. Temps didn't exceed 65C so it was ok.

Also CPU tests ok with Prime95. AS I said before it only fails when I run Blend.
post #8 of 13
Thread Starter 
Now this I didn't expect... With RAM on stock settings it locked during Windows memtest during the same INVC test, first run!

I reckon I fried these poor bastards...

The mobo is innocent!
post #9 of 13
Quote:
Originally Posted by helipilot View Post
Now this I didn't expect... With RAM on stock settings it locked during Windows memtest during the same INVC test, first run!

I reckon I fried these poor bastards...

The mobo is innocent!
Lol. Run memtest86. Not the windows diag
post #10 of 13
Thread Starter 
Quote:
Originally Posted by mastertrixter View Post
Lol. Run memtest86. Not the windows diag
Yep, I ran both my original RAMs and they failed (they froze during memtest86 - had to reboot the computer). So they are stuffed. I'll be sending them back to Corsair this week (lifetime warranty ftw).

I am currently testing my spare memory, so far so good with one RAM stick. If the second one passes too I'll try again with Prime95.

I must be getting crazy but I remember doing this setup (with my spare RAM) and the system froze up in the same way...

AHHHHHHHHH!

I'll try again, I hope it's just the RAM and not both (RAM and mobo).

I'll post again soon.
Edited by helipilot - 4/30/11 at 4:11am
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