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RMRK General => General Chat => Topic started by: SirJackRex on August 16, 2009, 02:01:06 AM

Title: [Resolved]Overclocking.
Post by: SirJackRex on August 16, 2009, 02:01:06 AM
So I have a pretty nice CPU: Athlon 64x2 7750 BE clocked at 2.7GHz. But I was wondering how it'd work with overclocking, so having never done this I googled my cpu and overclocking and found some helpful stuff but none of it really helps me.

The first one I found gave me information on overclocking it but used AMD OverDrive which now I know only supports certain motherboards from AMD. Cool. So I search again and find more articles but they all seem to be confusing or for someone who has done this before (or maybe that's why they're confusing).
I don't know any of these overclocking communities but Extreme Overclocking (good bad?) said you can overclock my CPU to 3.3GHz with the original cooling duct. So I want to try at the very most 3.2GHz. Instead of using software I think I'll just do it in the BIOs but is there more to it than clocking it little by little until I get a good speed? Are there any other specs to mess around with or is there another real good program I can use to overclock with/tutorials for the first timers? My motherboard is an Asus M3N78-VM.

Thanks.
Title: Re: Overclocking.
Post by: Roph on August 16, 2009, 02:23:22 PM
You said Athlon 64x2 7750 BE, the important thing there being the "BE", which means black edition.

CPUs derive their clock speed from an initial bus speed and a multipler, so an E5200 for example has a multipler of 12.5 and runs off a 200Mhz initial bus speed, making it run at 2.5Ghz.

Normally this multipler is locked, so that to overclock you have to edit the bus speed. This has a side effect of straining almost every other component in your system, since it all derives from it. More expensive motherboards can keep a constant PCI-E clock or allow you to set different memory clock ratios to allow you to overclock better.

The good thing for you is that an AMD Black Edition chip has an unlocked multiplier. You can just go into your BIOS and just increase the multipler, it's that simple.

Bump it up a notch and each time, boot back into windows, run CPU-Z and Speedfan and watch your temperatures. Run benchmarks and stuff to make it work hard. If you get problems, or pass 55-60C, lower the multi until you get stability and an acceptable temperature =o
Title: Re: Overclocking.
Post by: SirJackRex on August 16, 2009, 04:59:31 PM
You said Athlon 64x2 7750 BE, the important thing there being the "BE", which means black edition.

CPUs derive their clock speed from an initial bus speed and a multipler, so an E5200 for example has a multipler of 12.5 and runs off a 200Mhz initial bus speed, making it run at 2.5Ghz.

Normally this multipler is locked, so that to overclock you have to edit the bus speed. This has a side effect of straining almost every other component in your system, since it all derives from it. More expensive motherboards can keep a constant PCI-E clock or allow you to set different memory clock ratios to allow you to overclock better.

The good thing for you is that an AMD Black Edition chip has an unlocked multiplier. You can just go into your BIOS and just increase the multipler, it's that simple.

Bump it up a notch and each time, boot back into windows, run CPU-Z and Speedfan and watch your temperatures. Run benchmarks and stuff to make it work hard. If you get problems, or pass 55-60C, lower the multi until you get stability and an acceptable temperature =o

Thank you Roph, that pretty much answers every question I have!
My computer shuts off the CPU gets above *I forget what temperature*C so I'll definitely know if it's getting too hot, probably a bad way of know but hey it's better than a crash. xD
Hopefully my case has good enough venting.
Title: Re: Overclocking.
Post by: :) on August 16, 2009, 10:10:31 PM
I have a BE but it just plays movies ;o
maybe Ill tweak it for fun.