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MemTest86+ question

post #1 of 5
Thread Starter 
Question refers to Black Phantom build in sig:

So I'm having some stability issues with my new build using Prime95. Even on stock settings I can't seem to pass the Small FFT test. I'm trying to narrow down what the culprit may be so I downloaded and applied MemTest86+ to test the ram.

All 4 sticks (8gb each) have passed all tests, testing each stick in a different DIMM slot. My question though, is, the program recognized my CPU and gave correct information on that and also was correct in the noticing the amount of RAM, in the first 3 slots though, the RAM was recognized as DDR2 800mhz PC1600 where as it's actually DDR3 1866mhz. The 4th slot said the RAM was PC400 200mhz DDR2.

Is this normal for the program to do this, will this effect the test process possibly giving me a false positive? CPU-Z, SpeedFan and ASUS BIOS recognize the RAM is it really is.

Could this be causing my Prime95 instability?
Edited by FatedFrenzy - 4/8/13 at 2:42pm
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WD Velociraptor 10,000rpm HP DVD-RW Corsair H60 Liquid Cooler Windows XP 
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Black Phantom
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The Shadow
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CPUMotherboardGraphicsRAM
Core 2 Extreme QX9650 XFX nForce 790i XFX GeForce GT640 2GB x 2 SLI G.Skill Ripjaws 1333 
Hard DriveOptical DriveCoolingOS
WD Velociraptor 10,000rpm HP DVD-RW Corsair H60 Liquid Cooler Windows XP 
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XFX 550 watt  Thermaltake V4 Black Edition 
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post #2 of 5
Do you have these strange readings in the BIOS or via 3rd party software in windows?
Either way, try and update your BIOS to the latest version.
If this fails, sounds like the board might have gone bad. Good way to rule out the RAM however is to test it in another system.
Please note, when I could not pass on stock speeds, it was due to a faulty hard drive. I ended up replacing everything but the HDD to begin with, because I never suspected it! wink.gif
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Intel 3930K 4.5GHz HT GIGABYTE GA-X79-UP4 AMD R9-290X GEil Evo Potenza DDR3 2400MHz CL10 (4x4GB) 
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Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
CoolingCoolingCoolingCooling
XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
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EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
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X79-GCN
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CPUMotherboardGraphicsRAM
Intel 3930K 4.5GHz HT GIGABYTE GA-X79-UP4 AMD R9-290X GEil Evo Potenza DDR3 2400MHz CL10 (4x4GB) 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
CoolingCoolingCoolingCooling
XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
CoolingCoolingCoolingOS
EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
MonitorKeyboardPowerCase
BenQ XR3501 35" Curved Corsair Vengeance K90 Seasonic X-1250 Gold (v2) Corsair 900D 
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Logitech G400s Senn HD 598 
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post #3 of 5
Thread Starter 
As my OP says, ASUS BIOS, CPU-Z, SpeedFan and windows recognize the RAM correctly. I also tried some older 1333 RAM in the slots and it did the same thing.

The BIOS and Chipset drivers are the latest versions. I also tried memtest on my wife's work PC (prebuilt HP) and Memtest got the RAM on that wrong too. I wonder if its because we use 64 buy windows.
Black Phantom
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The Shadow
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XtremeFX
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CPUMotherboardGraphicsRAM
Core 2 Extreme QX9650 XFX nForce 790i XFX GeForce GT640 2GB x 2 SLI G.Skill Ripjaws 1333 
Hard DriveOptical DriveCoolingOS
WD Velociraptor 10,000rpm HP DVD-RW Corsair H60 Liquid Cooler Windows XP 
PowerCase
XFX 550 watt  Thermaltake V4 Black Edition 
  hide details  
Reply
Black Phantom
(17 items)
 
The Shadow
(10 items)
 
XtremeFX
(10 items)
 
CPUMotherboardGraphicsRAM
Core 2 Extreme QX9650 XFX nForce 790i XFX GeForce GT640 2GB x 2 SLI G.Skill Ripjaws 1333 
Hard DriveOptical DriveCoolingOS
WD Velociraptor 10,000rpm HP DVD-RW Corsair H60 Liquid Cooler Windows XP 
PowerCase
XFX 550 watt  Thermaltake V4 Black Edition 
  hide details  
Reply
post #4 of 5
Are you using the latest version of memtestx86?
It is odd that the motherboard is reading the RAM wrong. Ignore memtestx86, that is an isolated issue.
Check your motherboards compatibility list for RAM.
Also, try and update your BIOS regardless.
X79-GCN
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CPUMotherboardGraphicsRAM
Intel 3930K 4.5GHz HT GIGABYTE GA-X79-UP4 AMD R9-290X GEil Evo Potenza DDR3 2400MHz CL10 (4x4GB) 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
CoolingCoolingCoolingCooling
XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
CoolingCoolingCoolingOS
EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
MonitorKeyboardPowerCase
BenQ XR3501 35" Curved Corsair Vengeance K90 Seasonic X-1250 Gold (v2) Corsair 900D 
MouseAudio
Logitech G400s Senn HD 598 
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X79-GCN
(22 items)
 
  
CPUMotherboardGraphicsRAM
Intel 3930K 4.5GHz HT GIGABYTE GA-X79-UP4 AMD R9-290X GEil Evo Potenza DDR3 2400MHz CL10 (4x4GB) 
Hard DriveCoolingCoolingCooling
Samsung 840 Pro 120GB EK Supremacy (CPU) NF F12's P/P (360 Rad)  NF A14's (420 Rad)  
CoolingCoolingCoolingCooling
XSPC Chrome Compression Fittings EK RES X3 150 Primochill PremoFlex Advanced LRT Clear 1/2 ID EK-FC (R9 290X) 
CoolingCoolingCoolingOS
EK D5 Vario Top-X  Phobya G-Changer V2 360mm Phobya G-Changer V2 420mm Win 10 x64 Pro 
MonitorKeyboardPowerCase
BenQ XR3501 35" Curved Corsair Vengeance K90 Seasonic X-1250 Gold (v2) Corsair 900D 
MouseAudio
Logitech G400s Senn HD 598 
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post #5 of 5
Memtest86+ is a basic diagnostic test to tell you if you have defective hardware, or if you are stable enough to boot into your OS without corrupting your drive.

It's an extremely poor, almost useless, stress test. Version 4.2 and prior are not multithreaded and they won't hit your memory as hard as a modern web browser, let alone any other modern stress test.

Do not use memtest86+ to stress test memory on anything with more than one core.

As for the erroneous hardware reporting/detection, this is simply because Memtest86+ 4.2 is old and doesn't know what you have. It likely has no bearing on your stability issues.
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5820K @ 4.3/4.1GHz core/uncore, 1.225/1.2v Gigabyte X99 SOC Champion (F22n) 2x Sapphire R9 290X Tri-X OC New Edition (10036... 4x4GiB Crucial @ 2667, 12-11-12-27-T1, 1.37v 
Hard DriveHard DriveHard DriveCooling
Plextor M6e 128GB (fw 1.05) M.2 (PCI-E 2.0 2x) 2x Crucial M4 256GB 4x WD Scorpio Black 500GB Cooler Master Nepton 280L 
OSMonitorKeyboardPower
Windows 7 Professional x64 SP1 BenQ BL3200PT Filco Majestouch Tenkeyless (MX Brown) Corsair RM1000x 
CaseMouseAudio
Fractal Design Define R4 CM Storm Spawn Realtek ALC1150 + M-Audio AV40 
CPUMotherboardGraphicsRAM
X5670 @ 4.4/3.2GHz core/uncore, 1.36 vcore, 1.2... Gigabyte X58A-UD5 r2.0 w/FF3mod10 BIOS Reference R9 290X w/Stilt's MLU 1000e / 1375m E... 2x Samsung MV-3V4G3D/US @ 2000, 10-11-11-30-T1,... 
RAMHard DriveHard DriveHard Drive
1x Crucial BLT4G3D1608ET3LX0 @ 2000, 10-11-11-3... OCZ (Toshiba) Trion 150 120GB Hyundai Sapphire 120GB 3x Hitachi Deskstar 7k1000.C 1TB 
CoolingOSPowerCase
Noctua NH-D14 Windows 7 Pro x64 SP1 Antec TP-750 Fractal Design R5 
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CPUMotherboardGraphicsRAM
i7-6800K @ 4.3/3.4GHz core/uncore, 1.36/1.2v ASRock X99 OC Formula GTX 780 (temporary) 4x4GiB Crucial Ballistix Sport DDR4-2400 @ 11-1... 
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In progress
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CPUMotherboardGraphicsRAM
5820K @ 4.3/4.1GHz core/uncore, 1.225/1.2v Gigabyte X99 SOC Champion (F22n) 2x Sapphire R9 290X Tri-X OC New Edition (10036... 4x4GiB Crucial @ 2667, 12-11-12-27-T1, 1.37v 
Hard DriveHard DriveHard DriveCooling
Plextor M6e 128GB (fw 1.05) M.2 (PCI-E 2.0 2x) 2x Crucial M4 256GB 4x WD Scorpio Black 500GB Cooler Master Nepton 280L 
OSMonitorKeyboardPower
Windows 7 Professional x64 SP1 BenQ BL3200PT Filco Majestouch Tenkeyless (MX Brown) Corsair RM1000x 
CaseMouseAudio
Fractal Design Define R4 CM Storm Spawn Realtek ALC1150 + M-Audio AV40 
CPUMotherboardGraphicsRAM
X5670 @ 4.4/3.2GHz core/uncore, 1.36 vcore, 1.2... Gigabyte X58A-UD5 r2.0 w/FF3mod10 BIOS Reference R9 290X w/Stilt's MLU 1000e / 1375m E... 2x Samsung MV-3V4G3D/US @ 2000, 10-11-11-30-T1,... 
RAMHard DriveHard DriveHard Drive
1x Crucial BLT4G3D1608ET3LX0 @ 2000, 10-11-11-3... OCZ (Toshiba) Trion 150 120GB Hyundai Sapphire 120GB 3x Hitachi Deskstar 7k1000.C 1TB 
CoolingOSPowerCase
Noctua NH-D14 Windows 7 Pro x64 SP1 Antec TP-750 Fractal Design R5 
Audio
ASUS Xonar DS 
CPUMotherboardGraphicsRAM
i7-6800K @ 4.3/3.4GHz core/uncore, 1.36/1.2v ASRock X99 OC Formula GTX 780 (temporary) 4x4GiB Crucial Ballistix Sport DDR4-2400 @ 11-1... 
Hard DriveHard DriveCoolingOS
Intel 600p 256GB NVMe 2x HGST Travelstar 7k1000 1TB Corsair H55 (temporary) Windows Server 2016 Datacenter 
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Seasonic SS-860XP2 Corsair Carbide Air 540 
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