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Old 11-03-2012, 12:48 PM   #1
Kknight78
Junior Member
 
Join Date: Nov 2012
Posts: 1
Default Random crashes and blue screens - memory?

I've just built a brand new computer as follows:

Seasonic 650W Platinum power supply
Asus P8Z77-V Motherboard
Intel i7-3770K
Crucial Ballistix Sport DDR3-1600: 4x8GB
2x Intel 520 240GB
Gigabyte GeForce GTX 660
Windows 8 Pro

I'm not overclocking anything. CPU is running at stock (only "OC" feature turned on is Asus Multi-Core enhancement). Memory is running at 1.53V (bumped up from 1.5V to try to fix the problems) and 9-9-9-24-2T, which is what it is rated for. Fresh install of Windows 8 Pro. I've tried builtin drivers as well as the latest ones from Asus.

In the last 1/2 a day, I've had the following crashes/blue screens:

BSOD - 0x000000ef CRITICAL_PROCESS_DIED
BSOD - 0x0000003b SYSTEM_SERVICE_EXCEPTION
BSOD - 0x0000001a MEMORY_MANAGEMENT
iexplore.exe APPCRASH with 0xc0000005
waterfox.exe APPCRASH with 0xc0000005
mmc.exe APPCRASH with 0xc0000005
explorer.exe APPCRASH with 0xc0000005
tiworker.exe APPCRASH with 0xc0000374
EDIT: And now I just got a PAGE_FAULT_IN_NONPAGED_AREA BSOD when shutting down to reboot with memtest.

The random nature of the problems makes me lean toward memory issues, but I've run HCI memtest, Windows memory diagnostics, and Prime95 with no issues. I'm just getting ready to run memtest86 for a while. Any other ideas?
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Old 11-04-2012, 09:02 PM   #2
Dave3000
Senior Member
 
Join Date: Jan 2011
Posts: 370
Default

Disable Multi-core Enhancement. You are still overclocking the CPU with Multi-core Enhancement because the cores in your CPU are running at the highest turbo speed but it is not within spec to be running all the cores at the single core turbo speed. I have an Asus P9X79 Pro motherboard and Mult-core Enhancement is turned on by default if XMP is enabled even though there is no Multi-core Enhancement setting in the BIOS but I know it's turned on by default if set to XMP because it says that all cores turbo to the single core speed of my CPU. Change the core turbo speeds to "per core" and set them to Auto, and that way all the cores should be running at their spec'd turbo speeds. Also running memtest 86+ is a good idea which you say you will be running.
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