It can't be this easy... can it?

[GeneralOreo]

A few days ago I tried just changing some CPU number in the BIOS from 266 to 400... overclock failed, rebooted... now I tried 333 and it worked! My Q6600 was about 3GHz! Motherboard btw is Gigabyte P35-DS4 Rev 2.0...

Now just an hour ago I upped it to 350... and again everything is fine and after a bit of testing in Prime95 it looks OK. What I don't understand though is wouldn't that put the FSB at above 1333, which is the limit for my motherboard? Do I need to also overclock the motherboard's FSB or what?

I also skipped a lot of other option settings in the guides I saw... a lot of options I was told to enable/disable just weren't there. The only other thing I changed was some 'turbo' mode that went down to standard. it's something my motherboard does for performance or whatever.

 

[kenrippy]

yes, it's actually that easy. you'll need to keep an eye on your temps if you go beyond that with the stock cooler.

and the fsb is ok to go above 1333. 1066 is the rated fsb of the q6600 but they crank well above that. mine's at 1600

 

[Nedder]

I got the same easy overclock but the system wasn't stable. Random reboots, hard lockups in some games.

The core temps were hitting 70c+ at load so I switched the hsf to the ultima 90. Now's it's stable like a rock.

 

[Billb2]

Originally posted by: GeneralOreo
...changing some CPU number in the BIOS from 266 to 400.
...now I tried 333
...Now just an hour ago I upped it to 350

That's not over clocking, that's randonley changing BIOS settings...and can be dangerous.

Raad the stickies until you understand what you are doing. Ask questions.

 

[GeneralOreo]

Well it wasn't completely random, I had an idea of some sort. I said 'some CPU number' because I don't know what EXACTLY it stood for. It was 266 so that was my CPU's FSB, OK, but I'm not sure how that relates to the motherboard's FSB - do I leave that alone, does it overclock automatically with the CPU's, or was that number actually the motherboard's FSB?

On reviews of my motherboard they said they overclocked its FSB and pull out charts and such, but again I only see one number to change and that's the CPU's FSB.. there's no motherboard FSB to change, nothing I can see. I can up the voltages for motherboard components, but I don't see where I can overclock them so I don't know what's the point. Or what's going on it seems.

Sorry for rambling, lol.

 

[myocardia]

There's only one FSB. There always has been, and there always will be. It doesn't matter what your particular motherboard/BIOS calls it. Both the motherboard and the CPU run at the same speed as the FSB. Of course, the CPU uses a multiplier, to allow for higher clockspeeds, but that isn't really what we're discussing here, anyway. I just mentioned it so some noob didn't come along and...

 

[GeneralOreo]

Hmmm, well I was told on another forum that both the motherboard and CPU have FSBs and that I can overclock both.

The world is much simpler now, thank you good sir.

 

[myocardia]

Originally posted by: GeneralOreo
Hmmm, well I was told on another forum that both the motherboard and CPU have FSBs and that I can overclock both.

The world is much simpler now, thank you good sir.

You're welcome. Technically, only the motherboard has an FSB. The CPU is just "along for the ride", so to speak. In other words, whatever FSB the motherboard is running at, the CPU has to be running at that same FSB speed, since the CPU has no control over the motherboard, the motherboard has control over the CPU.

 

[wwswimming]

Am I missing something with this overclock?

Champagne ?

congrats on an easy OC. (mumble something) verify stability,
but it's sounding good.

 

[Aiden]

id read up on some overclocking guides, just so you understand all the potential problems, and benifits.

 

[Zoomer]

Well, put it this way: It was a long time since anyone had to fiddle around under the desk moving jumpers around.
You can thank Abit for that. SOFTMENU.

Since the cpu has no clock generator, everything it does hinges on the source of the clock signal, the motherboard.