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Program test memory with 980x

post #1 of 4
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As my other thread discusses working on finalizing an over clock on an Intel 980x processor on an Asus Rampage III Extreme MB. Got Super Talent 2000mhz memory. 6gb worth in 2gb modules. I have read a lot about processors similar to the 980x and 64-bit that the memory stability testing programs do not fully task the memory or me controller in these cases. Looking at Memtest86+ or hCI memtest free or HyperPI. Going to do a Prime Blend test but that's an overall test. Processor is stable so want to test the memory then the system as a whole. Recommendations?

Thanks.
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post #2 of 4
I've never yet had a system that exhibited stability problems with RAM if Memtest said it was OK... but I don't think a single pass is enough; I usually leave it running for 3 or 4.
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post #3 of 4
Prime95 on custom blend and multiple instances of HCI Memtest for Windows (one per logical core, or 1.5 per physical core, whichever is more; so twelve instances on a 980x) is what I would recommend.

Quote:
Originally Posted by Paradigm Shifter View Post
I've never yet had a system that exhibited stability problems with RAM if Memtest said it was OK... but I don't think a single pass is enough; I usually leave it running for 3 or 4.
I have.

Indeed, I have systems that have had serious memory related issues even after dozens of passes of Memtest86.

Memtest86+ is not a good stress test, it's not threaded enough to really load modern memory subsystems. It's fine for seeing if memory is outright broken, but it's nearly useless for testing for OC related instability.
Edited by Blameless - 10/9/11 at 9:50am
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post #4 of 4
Quote:
Originally Posted by Blameless View Post
Memtest86+ is not a good stress test, it's not threaded enough to really load modern memory subsystems. It's fine for seeing if memory is outright broken, but it's nearly useless for testing for OC related instability.
I wasn't thinking about Memtest as a stress test; it's pretty much useless for that, as you said. Perhaps I misinterpreted the question; only worthwhile way to stress the mem controller is with something that spreads lots of load everywhere...

For overclocking related instability, I use Linpack (LinX) set at maxmem-1GB (for Windows to sit in). But when I'm testing an overclock, or system stability in general, I'm after overall system stability, so testing multiple subsystems at once is what I'm after. If I'm feeling particularly vindictive toward the system, I'll set a 3D stress and HDD stress up at the same time as CPU/mem controller/memory stress test. Testing just one thing won't necessarily show much at all. It's like SmallFFT Prime - if the CPU isn't stable, that'll show it, but if the memory isn't stable... chances are it won't as it doesn't really touch the memory.
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Aoi
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Midori
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CPUMotherboardGraphicsRAM
Core i7 920 D0 Gigabyte G1.Killer Guerilla GTX670 4GB SLI 24GB Corsair Vengeance 
Hard DriveHard DriveOptical DriveCooling
WD Velociraptor Samsung F1 Blu-ray XL Corsair H70 
OSMonitorMonitorMonitor
Windows 7 Professional x64 Dell 2405FPW Dell U2410 Dell 2405FPW 
MonitorKeyboardPowerCase
Dell U2311H Microsoft Sidewinder X4 Silverstone Strider 1kw Corsair 700D 
MouseMouse PadAudioOther
Logitech G500 Ozone XL Integrated Logitech G13 
CPUMotherboardGraphicsRAM
Core i5 3570K Asus P8Z77-M Pro nVidia GTX680 Corsair Vengeance LP 16GB 
Hard DriveOptical DriveOSOS
WD Velociraptor 600GB Samsung DVD+RW Windows 7 Home Premium x64 Ubuntu Server Customised 
MonitorKeyboardPowerCase
Triple Dell U2412M Sidewinder X6 Corsair TX750 Fractal Design R4 
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Logitech G700 
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