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E6600 Overclock and P5N32E-SLI PLUS

post #1 of 4
Thread Starter 
Hi guys,

First of all many thanks to anybody who has helped me over the past 4 weeks overclock my system and also for the patience shown when i have been asking for advice.

Now with the bum licking over i now ask for some help again.

I have gradually overclocked my system over the last month from the stock 2.4 speed up to reasonable 3.105. This is in unlinked mode, and by turning up the FSB to 345. Stress testing temperatures are between 48-52 oC when under full load and idle at around 29-32 oC. The system is rock steady and i have no issues at all.

Other settings of note are:
V Core 1.318
Mem Volt 1.95
NB 1.35

The thing is, im sure there i can get more out of this system as the temps are not too bad, but i cannot go any further with the current OC. I try to raise the FSB to 350 (giving me a 3150) but when i try to run orthos it either flashes up errors or the system hangs completely.

Two questions then if i may.

My first question is, is this a limit for my overclock or can i push further and if it IS possible what should i tweak in order to accomplish a further OC.

I dont completely understand the Linked mode for FSB to Memory settings. Can someone tell me what would be the ideal seetings for linked mode and would this give me a greater chance of success over the unlinked mode my current overclock is set with. Also could they please explain why this would be the case.

Cheers guys
My System
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i7 920 Gigabyte GA-EX58-UD5 Nvidia GTX 280 (2 in SLI) Corsair c8 (6bg kit) 
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1 X Samsung F1 500gb, 1 samsung 320 Gb Samsung lightscribe Windows 7 64 bit Dell 24 inch 
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My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 920 Gigabyte GA-EX58-UD5 Nvidia GTX 280 (2 in SLI) Corsair c8 (6bg kit) 
Hard DriveOptical DriveOSMonitor
1 X Samsung F1 500gb, 1 samsung 320 Gb Samsung lightscribe Windows 7 64 bit Dell 24 inch 
KeyboardPowerCaseMouse
G15 (new version) Coolermaster 1000w Coolermaster G5 Logitech 
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NA 
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post #2 of 4
Quote:
Originally Posted by Hammerstein View Post
My first question is, is this a limit for my overclock or can i push further and if it IS possible what should i tweak in order to accomplish a further OC.
You should start of by increaseing you CPU vCore to about 1.425v. Once over 1333FSB I find that the E6600 requires more than its default 1.38v to handle higher FSB. As you reach higher and higher FSB, you will need to increase both your CPU and NorthBridge vCore's. At this point I feel you should also max out you VTT voltage to 1.55v. Don't worry, this won't afect temperatures, but it will help in attaining higher bus speeds through the motherboard.

Quote:
Originally Posted by Hammerstein View Post
I dont completely understand the Linked mode for FSB to Memory settings. Can someone tell me what would be the ideal seetings for linked mode and would this give me a greater cyhance of success over the unlinked mode my current overclock is set with.
Just unlink your RAM and set it to 800Mhz while you work on the CPU. This will eliminate the chance of overclocks failing from stressing your RAM too much. When RAM is unlinked and running at its default speed, it shouldn't require any extra vCore running through it. My own RAM is currently running at 800Mhz and thus is able to operate at its default vCore of 1.9v, despite my CPU running at 3.6Ghz.
post #3 of 4
Thread Starter 
Quote:
Originally Posted by t4ct1c47 View Post
At this point I feel you should also max out you VTT voltage to 1.55v.
thanks for the advice. I have already increased VTT voltage to 1.55 volts as i believe this has no impact at all on both the performance and temperatures. Increasing the Vcore IS going to impact my temperatures, so what temp should i have in mind as an absolute threshold for stress testing, 60 oC? or should it be less?

Cheers again.
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 920 Gigabyte GA-EX58-UD5 Nvidia GTX 280 (2 in SLI) Corsair c8 (6bg kit) 
Hard DriveOptical DriveOSMonitor
1 X Samsung F1 500gb, 1 samsung 320 Gb Samsung lightscribe Windows 7 64 bit Dell 24 inch 
KeyboardPowerCaseMouse
G15 (new version) Coolermaster 1000w Coolermaster G5 Logitech 
Mouse Pad
NA 
  hide details  
Reply
My System
(13 items)
 
  
CPUMotherboardGraphicsRAM
i7 920 Gigabyte GA-EX58-UD5 Nvidia GTX 280 (2 in SLI) Corsair c8 (6bg kit) 
Hard DriveOptical DriveOSMonitor
1 X Samsung F1 500gb, 1 samsung 320 Gb Samsung lightscribe Windows 7 64 bit Dell 24 inch 
KeyboardPowerCaseMouse
G15 (new version) Coolermaster 1000w Coolermaster G5 Logitech 
Mouse Pad
NA 
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Reply
post #4 of 4
Personally, I'd try my best to never let your CPU go over 60*C when under load. Though if you're stress testing with Orthos, it will most likely fail anyway, when your CPU goes above this. When it comes to raiseing NorthBridge vCore, the 680i's tend to get very hot, though seeing as your board makes use of the cooler running 650i, this shouldn't be too much of a problem. Nevertheless, you may want to keep an eye on your NorthBridge's temperature, or even invest in some aftermarket cooling for it.
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