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Z87X-UD3H System Lock Up Issues

post #1 of 7
Thread Starter 
Hello to you all. I'm going to humbly request your assistance with a matter that has been bothering me for about a week now.

My system specs as follows:

Core i5 4670K
GIGABYTE Z87X-UD3H /BIOS F3
ASUS GTX760 DIRECTCU II OC 2GB
WD Caviar Black 750GB 7501AALS
WD Caviar Black 1TB 1002FAEX
CORSAIR 1333 XMS3 3x2GB 7-7-7-21/1.65V (but running at 9-9-9-24/1.50v) TR3X6G1333C7
OS: Windows 7 Ultimate x64

And now to the point. The problem I have is that OS keeps freezing. Randomly. At first I thought it was one of the HDDs acting up as freezes would mostly occur when moving files from partition to partition on the 1TB drive. The system would lock up, screen is frozen, mouse and keyboard turn off (moving them to the other USB ports did nothing so I concluded the ports in general are off), no HDD activity(light on the case isn't on). Have to hard reset to get it going again. Some of the freezes however had different symptoms. Mouse and keyboard are on (LEDs are lit) but the HDD activity light is constantly on and the PC would reset by itself after a while. I've since unplugged the 1TB drive and installed the OS on the old 750GB. Lock ups still occur as I had left the PC running overnight doing tests on the drive and found it frozen in the morning (had turned the monitor off and when I turned it on it light up and then went into stand by). Pressing the NumLock button did not turn it's LED on/off.

Also freezes seem to occur when just browsing the internet or the PC is idle. Temps are all normal. The HDDs are running in IDE now but lock ups happened in AHCI too. I've installed all the drivers but lock ups happened on a clean Win 7 install with no drivers as well. Hell, at one point PC froze when trying to get into SafeMode and IN Safe Mode. I've ran HDTune on both drives and due to some miracle I managed to complete an error scan on both of them. Zero errors were found. I did notice in the S.M.A.R.T tab there were C7 CRC errors - 2 on the new drive and 9 on the old that increased to 4 on the new and 11 on the old after the afformentioned system freezes. Thus I replaced the SATA cables with brand new ones, changed ports but to no avail. The issue still occured. I have also ran memtest86+ on all of the sticks individually(started the test with just one stick plugged in) for around 6-7 passes each and no errors were found. I will leave the system running overnight on just one stick and doing HDD error scans to try and see if it would lock up again.

Any sort of help would be really appreciated.
post #2 of 7
Did you run it at stock speed and voltages?

Is it a crash on idle?

Did you try updating BIOS?

If it only crashes when CPU is low usage that means your CPU is downvolting too much on idle , whether it is offset voltage related I don't know.

Is your PSU Haswell compatible? If not, disable C3/C6/C7 power states.
Edited by AlphaC - 8/1/13 at 6:51pm
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post #3 of 7
Thread Starter 
The lock ups most often occured when moving folders from one partition to the other on the new drive, as well as for example scanning for errors with HDTune. However there were cases where the PC would freeze even when just browsing. The lock up on error scan happened on the older drive as well as I had left it to do it's thing overnight and found it frozen in the morning.

I have tested all of the RAM sticks individually with Memtest86+ and none of them gave errors. However I am now running the PC with just one stick of RAM and I had left it overnight again doing error scans on the 1TB drive as that seemed to guarantee a lock up. I woke up this morning, the drive showed no errors and the PC was working just fine. I'll continue doing this and if it works just fine I'll buy new memory as those Corsairs are 4 years old. I'm thinking of getting these: http://www.newegg.com/Product/Product.aspx?Item=N82E16820233525

As for the PSU it's a Chieftec APS-650C. It's not a good PSU and I will change it at some point but for now it will have to do. Can't find any info on it's Haswell compatibility.

I've not updated the BIOS. Is it a good idea to? I've always avoided doing that before as I was afraid of screwing things up.

Are you asking if I am running the RAM at stock speed/voltage settings? If yes then, well, no. I read it was recommended to use 1.5v RAM for Haswell and since the settings in the BIOS were auto set to 1.5v @ 9-9-9-24 timings I left them this way.
Edited by McGringo - 8/1/13 at 10:20pm
post #4 of 7
I would definitely try setting the DRAM voltage back to 1.6v or 1.65v since quite a few people have experienced problems trying to run more than 2 memory sticks on the Gigabyte Z87 boards (me included).

I needed to increase voltage from the specified 1.5v to 1.6v and the System Agent voltage by + 0.1v to get my 4 sticks running (2 sticks were doing fine without any adjustements).
Edited by BrainSplatter - 8/2/13 at 2:40am
Fun
(15 items)
 
  
CPUMotherboardGraphicsRAM
4770K @ 4.5Ghz @ 1.38v delidded Gigabyte GA-Z87X-OC f9c 2 x Zotac 980Ti Amp Omega @1530, @1530 G.SKILL TridentX 2400 CL10 
Hard DriveHard DriveOptical DriveCooling
Samsung 830 256GB 4 x Samsung EVO 850 1TB RAID0 Samsung Blu Ray Cooler Master Seidon 240M 
OSMonitorKeyboardPower
Windows 7 Professional 64 bit Samsung 27" IPS 2560x1440 Logitech Wireless Seasonic Platinum 860 
CaseMouseAudio
NZXT Phantom 630 white Razer ASUS Xonar U7 external 
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Fun
(15 items)
 
  
CPUMotherboardGraphicsRAM
4770K @ 4.5Ghz @ 1.38v delidded Gigabyte GA-Z87X-OC f9c 2 x Zotac 980Ti Amp Omega @1530, @1530 G.SKILL TridentX 2400 CL10 
Hard DriveHard DriveOptical DriveCooling
Samsung 830 256GB 4 x Samsung EVO 850 1TB RAID0 Samsung Blu Ray Cooler Master Seidon 240M 
OSMonitorKeyboardPower
Windows 7 Professional 64 bit Samsung 27" IPS 2560x1440 Logitech Wireless Seasonic Platinum 860 
CaseMouseAudio
NZXT Phantom 630 white Razer ASUS Xonar U7 external 
  hide details  
Reply
post #5 of 7
I'd try updating to the F5 or F6 BIOS.
post #6 of 7
Thread Starter 
Well so far so good. The PC is running just fine with 1 stick of RAM. I'm rather reluctant to put the other stick in (let alone all of them) but I do want to enjoy my new build during the weekend and the new RAM won't arrive until next week. Won't setting the voltage to 1.65v harm the processor in some way?
Edited by McGringo - 8/2/13 at 11:34am
post #7 of 7
Thread Starter 
Well now that's funny. I decided to reinstall Windows 7 (had issues and errors from all the system freezes). But before that I decided to go into the BIOS, load optimized defaults, save and exit, and then go into the BIOS again and change the HDD mode from IDE to AHCI. However, as I loaded the optimized defaults and pressed Save&Exit the system froze in the BIOS just like it did in Windows 7. I had set the RAM stick (still running with only one) to 1.555v before deciding to reinstall and load optimized defaults but the PC ran just fine with one stick at 1.50 before that (in fact a whole night). Could this still be a RAM issue or is it something much worse?
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