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overclocking my Q6700

post #1 of 7
Thread Starter 
I didn't know quite where to put this question, but decided to drop it here. It's more of a general question about OC'ng rather than specific to my Q6700, but here goes...I have noticed that if I OC from the BIOS, my system starts getting unstable at 3200mHz, but if I OC using Nvidia software, I can go to 3400 and run indefinately.

What I have done is set my BIOS to start up at 3150 and then go to the Nvidia software and crank it up to 3400.

Does this sound normal? Should there be a difference? Is it that Windows (7) doesn't like to be started OC'd?
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e8400 gigabyte GA-P35-D3SL rev.2 Foxconn GeForce 8400GS 2x1gig Kingston HyperX 1066 2.2v 
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Seagate Barracuda 500 gig XP Pro Dell 15" flat panel 500 Watt generic 
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My System
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e8400 gigabyte GA-P35-D3SL rev.2 Foxconn GeForce 8400GS 2x1gig Kingston HyperX 1066 2.2v 
Hard DriveOSMonitorPower
Seagate Barracuda 500 gig XP Pro Dell 15" flat panel 500 Watt generic 
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Comp USA generic 
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post #2 of 7
Well, overclocking is usually recommended from BIOS, have you verified that the nvidia software got it to 3.4ghz?(with CPU-Z perhaps) If windows will not boot at 3.2..then something is funny with the bios settings that maybe the nvidia software is automatically changing.
post #3 of 7
Thread Starter 
Yes, I verify my speed with CPU-z. And yes, I have always followed the "golden rule" of OC'ng from the BIOS, but about a month or so, I started experimenting with the Nvidia software, and am getting better results as long as I don't try to start windows at 3.4
My System
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CPUMotherboardGraphicsRAM
e8400 gigabyte GA-P35-D3SL rev.2 Foxconn GeForce 8400GS 2x1gig Kingston HyperX 1066 2.2v 
Hard DriveOSMonitorPower
Seagate Barracuda 500 gig XP Pro Dell 15" flat panel 500 Watt generic 
Case
Comp USA generic 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
e8400 gigabyte GA-P35-D3SL rev.2 Foxconn GeForce 8400GS 2x1gig Kingston HyperX 1066 2.2v 
Hard DriveOSMonitorPower
Seagate Barracuda 500 gig XP Pro Dell 15" flat panel 500 Watt generic 
Case
Comp USA generic 
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post #4 of 7
Not sure what software you are talking about, but sometimes software auto overclocking bumps other voltages alongside it... The more you overclock the fsb, generally to a point the more you are going to have to start tweaking vtt, nb voltages and reference voltages.
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q9300 @ 3.4ghz Gigabyte EP45-UD3L EVGA GTX 460 1gb 8GB g.Skill DDR2 
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Cooler Master CM690 II Advanced 
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My System
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CPUMotherboardGraphicsRAM
q9300 @ 3.4ghz Gigabyte EP45-UD3L EVGA GTX 460 1gb 8GB g.Skill DDR2 
Hard DriveOSMonitorPower
Crucial C300, Caviar Black 640gb, Caviar Green 2TB Win 7 pro Dell sp2309w Corsair HX650w 
Case
Cooler Master CM690 II Advanced 
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post #5 of 7
as above most OC software Bumps ALL the voltages up to be stable so you can be sure something has been pushed up to be stable, but other parts of your system will be running with more voltage than needed.
Mr Ivy
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Mr Ivy
(17 items)
 
  
CPUMotherboardGraphicsRAM
intel core i5 3570k @4.6GHz ASUS SABERTOOTH Z77 Palit GeForce GTX 980 Super Jetstream corsair CMZ8GX3M2A1600C9 
Hard DriveHard DriveHard DriveHard Drive
samsung 840 evo Samsung HD103SI Samsung HD501LJ WDC WD10EARX 
Hard DriveHard DriveCoolingOS
WDC WD20EZRX OCZ-AGILITY3 raystorm Microsoft Windows 10 Pro 64bit 
MonitorKeyboardPowerCase
AOC Q2778VQE 2560x1440 corsair k90 Corsair tx750 Zalman MS800 
Mouse
Anker Lazer gaming mouse 
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post #6 of 7
Thread Starter 
The nvidia software is called Performance Control Panel. It can adjust CPU, motherboard settings, GPU and memory separately. In the CPU section, you can adjust the speed and CPu voltage.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
e8400 gigabyte GA-P35-D3SL rev.2 Foxconn GeForce 8400GS 2x1gig Kingston HyperX 1066 2.2v 
Hard DriveOSMonitorPower
Seagate Barracuda 500 gig XP Pro Dell 15" flat panel 500 Watt generic 
Case
Comp USA generic 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
e8400 gigabyte GA-P35-D3SL rev.2 Foxconn GeForce 8400GS 2x1gig Kingston HyperX 1066 2.2v 
Hard DriveOSMonitorPower
Seagate Barracuda 500 gig XP Pro Dell 15" flat panel 500 Watt generic 
Case
Comp USA generic 
  hide details  
Reply
post #7 of 7
what motherboard? I had a Q6600 up to 3.6 on a 780i...
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