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GOAL: Q6600 G0 to 3.6GHz 1600MHz FSB w/680i & Vista x64

post #1 of 3
Thread Starter 
OK, so as of right now, all of my system voltages are on auto, and I am currently running a 1500MHz FSB with a max multiplier of 9, and have successfully reached 3,375 MHz, perfectly stable, according to full system stress tests with nTune. My PC2-8500 RAM is actually running below clock speeds, because I have it set to a 3:2 ratio, hoping to eventually get the "golden" 1600MHz/3.6GHz, and have my RAM run at stock speeds (1066Mhz) with the linked ratio. What I do not understand is why I cannot reach a stable 3.6ghz....

My CPU temperature is extremely low (in my opinion, compared to other coolers I have had very recently, with the same settings), at my current speed, it never goes over 60C at full load, usually idling around 44C, with no Speedstep or anything like that, a constant 3,375Mhz. I am using a thermalright Ultra-120 Extreme cooler, and have my system set up outside of my case temporarily, with a tower fan oscilating its way to ensure good airflow is not an issue. Basically, I do not think it could possibly be CPU temperature. When set to 1600mhz in the BIOS System Monitor, temperatures idle around 52-53C, of course, there is no load, but that still is nothing to be concerned about, surely...

I have also replaced the stock thermal pastes on the chipsets with Arctic Silver Ceramique, and have successfully lowered those temperatures to in the 50s, and have an active chipset fan blowing at full speed, so I don't think that could be it either.

I have tried upping my voltages, even setting some safely beyond what should be necessary, to my knowledge, and I still have the same instability. But I am not very experienced with voltages. Yet, I do not understand why I should need to manually set them, when my computer can overclock stably to 1500mhz FSB just fine, with automatic voltages.

I have heard rumors about the 680i chipset not being good for overclocking Q6600s, whether G0 or B3 stepping. Could my bottleneck be my motherboard? How would I find out?


Anyway, CURRENT SYMPTOMS:
As of now, when I set my FSB to 1600MHz, my Vista 64-bit OS boots just fine, gets to the welcome screen, loading is noticeably a little slower than normal, and asks for my password. I have left it sit here for several minutes so far, and it idles just fine. But when I enter my password, it hits the desktop, and within a few seconds, right when the sidebar begins to load... REBOOT.

What is strange, is if I set my FSB to 1550Mhz, my OS will not even boot, no Windows load bar or BSOD, just a blank, black screen. That really threw me for a loop... tested several times to confirm.

My instincts tell me that this cannot be a temperature issue, because the problem is the same every time, exact same spot. But I just do not know where to start. I cannot imagine my CPU not being capable of this. I have already sold my B3 on eBay and bought a G0, hoping to cure this issue, with no result. Too many G0s have passed 3.6ghz, but I do not know of any that have done so on the 680i board, again, I fear that may be my bottleneck. But I am hoping there is just some voltage or BIOS setting issue I have not addressed...

Any ideas?

I would also like to know BIOS settings, particularly voltages, for anyone who has achieved or surpassed my goal of reaching 3.6GHz with a Q6600 and a 680i board. Thanks!
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 eVGA 680i SLI 9600GT 4x1GB Corsair XMS2 
Hard DriveOptical DriveOSMonitor
750GB WD SATA2 drive LG GGC-H20L Blu-Ray writer Vista 64-bit (x64) Dell 24" 1920x1200 
PowerCase
Antec 650W Antec 900 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 eVGA 680i SLI 9600GT 4x1GB Corsair XMS2 
Hard DriveOptical DriveOSMonitor
750GB WD SATA2 drive LG GGC-H20L Blu-Ray writer Vista 64-bit (x64) Dell 24" 1920x1200 
PowerCase
Antec 650W Antec 900 
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Reply
post #2 of 3
Please update your system spec under your user profile.

edit: I if you already went through the hassle of selling your B3 on ebay, I would recommend you do the same with your board. They still have value on ebay. Get a P35/X38/780i/790 if you want 24/7 stable 3.6Ghz with your G0.

If you get the Abit IP35 Pro you will have lots of help getting the magical 3.6 mark.
Work Work
(14 items)
 
  
CPUMotherboardGraphicsRAM
Xeon X5670 @ 3.33GHz EVGA Classified X58 (Westmere Modded) AMD 6950 2GB G. Skill Ripjaws 24GB 
Hard DriveCoolingOSMonitor
Samsung 850 EVO 500GB Scythe FUMA  Windows 10 Pro 64 NEC PA241W 
KeyboardPowerCaseMouse
Magicforce 68 (Gat. Blue) Ultra X3 1000W Dremel Modded CM Cosmos S Logitech G700 
Other
Wacom Intuos 4 
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Work Work
(14 items)
 
  
CPUMotherboardGraphicsRAM
Xeon X5670 @ 3.33GHz EVGA Classified X58 (Westmere Modded) AMD 6950 2GB G. Skill Ripjaws 24GB 
Hard DriveCoolingOSMonitor
Samsung 850 EVO 500GB Scythe FUMA  Windows 10 Pro 64 NEC PA241W 
KeyboardPowerCaseMouse
Magicforce 68 (Gat. Blue) Ultra X3 1000W Dremel Modded CM Cosmos S Logitech G700 
Other
Wacom Intuos 4 
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Reply
post #3 of 3
Thread Starter 
I updated... My issue is I have "invested" in SLI, and I am using DDR2, and do not want to lose money moving to DDR3 when there is not point right now. The 780i is not really a "new" board, according to the reviews I have read, it is just a modified and revamped 680i... so would it be better for overclocking? How so?
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 eVGA 680i SLI 9600GT 4x1GB Corsair XMS2 
Hard DriveOptical DriveOSMonitor
750GB WD SATA2 drive LG GGC-H20L Blu-Ray writer Vista 64-bit (x64) Dell 24" 1920x1200 
PowerCase
Antec 650W Antec 900 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
Q6600 G0 eVGA 680i SLI 9600GT 4x1GB Corsair XMS2 
Hard DriveOptical DriveOSMonitor
750GB WD SATA2 drive LG GGC-H20L Blu-Ray writer Vista 64-bit (x64) Dell 24" 1920x1200 
PowerCase
Antec 650W Antec 900 
  hide details  
Reply
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