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Overclocking C2D E6300 - crashing video drivers

post #1 of 11
Thread Starter 
Hello, Im trying to overclock my E6300 (1,87 GHz stock).
The problem is: Im currently working with stable overclock at 2,1GHz (300 FSB, 7x multiplier, stock voltages) but when i rise the FSB over 320, my video drivers keep crashing and restarting. Until I installed the 64bit version of W7 Ultimate I had w7 Ultimate x86 and was able to achieve stable overclock around 2,45 GHz on stock voltages (if i remember it was 350 or 360 FSB and 7x multiplied on stock voltages). Only thing I switch on my HW was replacing older 1GB Kingston memory (DDR2 667) for 2GB Kingston (DDR2 800 CL6) so I could get more system memory and matching frequency of the sticks. I suspect a weak PSU since at least 475W is recommended but i checked few PSU calulators and everything should be fine. I even removed the optical drive and disabled unused chipset/bios features to gain some additional power. Could anyone please help me with this or share some ideas?

here are my spec:
CPU: E6300, 2M L2, 266MHz FSB stock (currently clocked to 300 with stock voltages), Rated FSB 1200MHz
MB: MSI G31TM-P35
RAM: Kingston KVR800D2N6/2G
Kingston KVR800D2N5/1G in Symetric Dual Channel?
currently 5-6-6-18 450MHz (900MHz) - I at least changed the divider to 2:3 since I can no longer
achieve higher CPU clocks
GPU: BFG GeForce 9800GTX+ OC (Overclocked by BFG - no hustle from my side)
core: 760MHz
memory: 1125
shader: 1890
2x 6pin additional power supply
PSU: Eurocase 450W
CPU cooler: aftermarked - Arctic Cooling Alpine 11 Pro
HDD: SAMSUNG HD502HJ (500GB, 7200 RPM, 16MB cache, SATA II)
post #2 of 11
Have you remembered to lock your PCI-e Freq to 100?
Mr Ivy
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Mr Ivy
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samsung 840 evo Samsung HD103SI Samsung HD501LJ WDC WD10EARX 
Hard DriveHard DriveCoolingOS
WDC WD20EZRX OCZ-AGILITY3 raystorm Microsoft Windows 10 Pro 64bit 
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post #3 of 11
Thread Starter 
yes I have it locket to exactly 100. It might have been something with memory timings + something bad with a driver itself. about 10m ago I reached what seems to be a stable overclock just now, need some more stress testing + video load as well.
my current OC:
FSB: 333MHz (1333 rated) = 2340MHz
RAM: 400MHz, 5:6
timings: 6-6-6-18-48 CR - 2T (not sure how to switch to 1T)
thats a 25% OC nod bad if u consider I know almost nothing about timings + my board is kinda bad for OC (G31, no voltage control...)
Ill try to push it bit more But im still open for suggestions about that crashing driver even its not happening right now
post #4 of 11
Thread Starter 
ok so I tried PCIe frequency 100/101/102/103 and my drivers still keep crashing should I continue to higher frequencies?
post #5 of 11
What do you call stable? OCCT 60 mins? Prime95 Blend 6 hrs?
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SFF: HADRON
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CPUMotherboardGraphicsGraphics
i7 3930K @ 4.8Ghz offset ASrock X79 Extreme6/GB EVGA GTX680 FTW with EK waterblock EVGA GTX650 for PhysX 
RAMHard DriveHard DriveHard Drive
G-Skill 4x4GB DDR3 1866 8-9-9-24@1.5V Samsung 840 Pro 128GB Agility 3 240GB x2 RAID 0 WD 500GB X2 RAID 0 
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XSPC Raystorm XSPC Dual Bay reservoir with Alphacool variable... Alphacool NexXxoS UT60 Full Copper Triple 120mm... EK GTX680 FTW waterblock 
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Hard DriveHard DriveOptical DriveCooling
Crucial M4 128GB WD 320GB HDD Lite-On DVD-RW Corsair H100 
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Win 7 x64 Ultimate OCZ Stealthstream 600W HAF XB 
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3570K P8Z77-I MSI 560 Ti TF2 Samsung 20nm 
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post #6 of 11
Thread Starter 
well since the drivers still keeps crashing i cant call it stable anymore so nvm i tested it via intelburnin test
post #7 of 11
I would definitely run 1:1 ratio memory with your FSB to ensure its not the memory holding you back. It could possibly be your power supply since it's a no brand name. But before we jump into conclusion, make sure you have the latest drivers from nvidia.com and report back here if you are still experiencing issues.
post #8 of 11
Thread Starter 
Eurocase is quite common brand and they also bought Fortron. The drivers are current i even tried the new beta drivers with no success
post #9 of 11
Here is what I would do, first try and run memtest86+ to make sure the memory is stable, then run prime95 blend like others suggested. When you say your video drive crash after 320Mhz FSB, does it only happen when you play games or does it also happen when you surf the internet?

In the BIOS, can you drop the multiplier to 6x? If you can, try 321mhz x 6 to see if your video driver still crash.

The wattage on the power supply means nothing. A el-cheapo 600 watt power can produce 33a on 12v rail while a name brand quality 450 watt can do the same. I have a 400 watt corsair power supply in my sig and I can power up everything without any issues.
post #10 of 11
Have you tried manually setting your PCIe frequency? Set it to 101 and see if it's fixed.

If not, remove the vid drivers in safe mode. Then reboot, see if it can pass 60 mins OCCT. Then test 5-6 hours Prime Blend. If it passes both, the core of your system is pretty stable. If not, well it's not.

If it passes, you need to look at your windows install, your vid card, PSU or possibly the board itself.
More Cores
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SFF: HADRON
(10 items)
 
CPUMotherboardGraphicsGraphics
i7 3930K @ 4.8Ghz offset ASrock X79 Extreme6/GB EVGA GTX680 FTW with EK waterblock EVGA GTX650 for PhysX 
RAMHard DriveHard DriveHard Drive
G-Skill 4x4GB DDR3 1866 8-9-9-24@1.5V Samsung 840 Pro 128GB Agility 3 240GB x2 RAID 0 WD 500GB X2 RAID 0 
CoolingCoolingCoolingCooling
XSPC Raystorm XSPC Dual Bay reservoir with Alphacool variable... Alphacool NexXxoS UT60 Full Copper Triple 120mm... EK GTX680 FTW waterblock 
OSMonitorPowerCase
Windows 7 64 bit Ultimate HP tSS-25X11LED 25" 1080p PC Power&Cooling Silentpower 910W Xigmatek Elysium 
MouseMouse PadAudioAudio
Razer Deathadder 3500 Rocketfish Creative Sound Core3D Logitech Z5300 
CPUMotherboardGraphicsRAM
960T unlocked to X6 ASUS M4A79XTD Evo Sapphire HD6870 1GB 2x2GB Ripjaws 7-8-7-24 F3-12800CL7D-4GBRM  
Hard DriveHard DriveOptical DriveCooling
Crucial M4 128GB WD 320GB HDD Lite-On DVD-RW Corsair H100 
OSPowerCase
Win 7 x64 Ultimate OCZ Stealthstream 600W HAF XB 
CPUMotherboardGraphicsRAM
3570K P8Z77-I MSI 560 Ti TF2 Samsung 20nm 
Hard DriveCoolingOSMonitor
Crucial M500 Kuhler 620 Windows 7 x64 52" Samsung LED TV 
CaseAudio
EVGA Hadron Air Denon receiver/ Polk audio 
  hide details  
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More Cores
(20 items)
 
 
SFF: HADRON
(10 items)
 
CPUMotherboardGraphicsGraphics
i7 3930K @ 4.8Ghz offset ASrock X79 Extreme6/GB EVGA GTX680 FTW with EK waterblock EVGA GTX650 for PhysX 
RAMHard DriveHard DriveHard Drive
G-Skill 4x4GB DDR3 1866 8-9-9-24@1.5V Samsung 840 Pro 128GB Agility 3 240GB x2 RAID 0 WD 500GB X2 RAID 0 
CoolingCoolingCoolingCooling
XSPC Raystorm XSPC Dual Bay reservoir with Alphacool variable... Alphacool NexXxoS UT60 Full Copper Triple 120mm... EK GTX680 FTW waterblock 
OSMonitorPowerCase
Windows 7 64 bit Ultimate HP tSS-25X11LED 25" 1080p PC Power&Cooling Silentpower 910W Xigmatek Elysium 
MouseMouse PadAudioAudio
Razer Deathadder 3500 Rocketfish Creative Sound Core3D Logitech Z5300 
CPUMotherboardGraphicsRAM
960T unlocked to X6 ASUS M4A79XTD Evo Sapphire HD6870 1GB 2x2GB Ripjaws 7-8-7-24 F3-12800CL7D-4GBRM  
Hard DriveHard DriveOptical DriveCooling
Crucial M4 128GB WD 320GB HDD Lite-On DVD-RW Corsair H100 
OSPowerCase
Win 7 x64 Ultimate OCZ Stealthstream 600W HAF XB 
CPUMotherboardGraphicsRAM
3570K P8Z77-I MSI 560 Ti TF2 Samsung 20nm 
Hard DriveCoolingOSMonitor
Crucial M500 Kuhler 620 Windows 7 x64 52" Samsung LED TV 
CaseAudio
EVGA Hadron Air Denon receiver/ Polk audio 
  hide details  
Reply
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