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Overclocking my CPU and GC (Read 120 times)
Oct 10th, 2006 at 7:03am

Fighting_Falcon   Offline
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Hey guys, I've wanted to do that for a pretty long time but last Saturday I decided I'd do it. And, of course, I have lots of questions left unanswered.

First of all, I'd like to know what are the risks when overclocking aside from burning your CPU or GPU Tongue.

Secondly, I'm wondering what exactly is the role of your RAM, why it is important to have very good RAM and how do you see it's good. I know it has to do with its CAS latency, things like that but I don't know exactly.

Thirdly, (and now it's getting really interesting Tongue), my mobo has an integrated function that can overclock a CPU  up to 10%. Should I trust it or o/c my CPU manually? If I better do the latter, how?

Finally, I'd like to know what software I should d/l to o/c my GC. I've heard about a modification in the register to enable the nVidia drivers tweaking, I've heard about other softwares, it'd be cool if you told me what you actually use yourself, what's good and what isn't.

Here are my RAM specs :

...

And the temps :

...

Just tell me if you need to know anything else Smiley.

Cheers
-Seb
 
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Reply #1 - Oct 10th, 2006 at 7:14am

Gunny04   Offline
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Let me guess stock cooler right? 36C isnt where I'd like my comps idle to be, For GPU I use Coolbits (Basically a registery entry download) and it unlocks the overclocking in the drivers themselves..... as for the processer, I think thats in the bios with the Vcore, voltage, FSB and all that, I wouldnt know, my bios is all locked up tighter than a bank vault but I have used 3d party overclocking utils before to crank up a system, to bad that was only 300 Mhz lol,  and the risks? Burning out a PSU, Frying the motherboard, Could go unstable and crash, (Might need CMOS Clearing for some of this stuff) But I would check the temperatures when you load up the comp (From the bios) and see what they are first for CPU, GPU though, Full steam ahead, if its got a fan on it your golden, though if you want you could always add one of these

Cheers, Gunny
 
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Reply #2 - Oct 10th, 2006 at 7:16am

Fozzer   Offline
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Riva Tuner for the Nvidia Graphics cards...

http://downloads.guru3d.com/download.php?det=163

Anything to do with overclocking always worries me...

If I want more speed, I generally upgrade the components and stick to standard clock speeds...Wink...!

Paul.... Grin...!
 
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Reply #3 - Oct 10th, 2006 at 11:43am

GeForce   Offline
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Hiya, let's do this in order Grin

1. Overclocking is only dangerous if you do it WRONG. The only thing that can actually damage components is putting too much voltage through them. Overclocking does require a voltage increase sometimes, but as long as you're careful to not go above a certain voltage, you'll be fine. The worst that can happen is the system won't boot, and a CMOS reset is necessary.

2. The RAM (on a 1:1 divider, more about this in a sec) runs at double your Front Side Bus (FSB) speed. On your PC, the default FSB is 200mhz. It is the FSB that is increased to allow overclocking. However, this means the speed of your RAM is increased too. This faster running RAM performs better, but it can only cope up to a point. This is where the quality of your RAM comes into play: how high a frequency can it run at, and at what timings?

A divider is used for RAM that can't handle the FSB speeds being thrown at it. Say your FSB is overclocked up to 300mhz. This means the RAM is running at 600mhz, but it can't cope. What's called a "333" divider, runs the RAM at a 333:400 ratio. 333/400 = 0.8325. 0.8325 x 300 = 249.75. 249.75 x 2 (its double FSB speed) = 499.5. So on the 333 divider, your RAM will run at 500mhz.

Basically this means that even if your RAM is pants, you can still overclock by sticking a divider on the RAM.

3. The Asus AI NOS Overclocking is pants. Just don't even bother, seriously Grin

4. Google Coolbits for the graphics card Overclocking tool. Otherwise, you should have an option for setting clock speeds in the advanced tab of the display properties dialogue box.

As a side note, the 3700+s are known for being astonishing clockers. Mine runs stable at stock volts and stock cooling at FX-57 speeds - ie. 2.8Ghz up from 2.2Ghz.

Hope that helped a bit!

Jon 8)
 
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Reply #4 - Oct 10th, 2006 at 1:43pm

GeForce   Offline
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I'll put this in a seperate post; the other one was getting a bit cluttered.

Overclocking the 3700+ in 7 easy steps: Grin

1. Reboot and press F12 at the Asus logo screen.
2. First set the overclocking profile to MANUAL.
3. Set the vcore manually to 1.4V (auto can fluctuate a lot).
4. Set the HTT Multiplier to 4x (from 5x)
5. Set the RAM to a 333 divider (208Mhz @ 250FSB)
6. Set the FSB up a bit, you could try 230mhz or go stright for 250mhz (from 200mhz).
7. Reboot, done Grin

Jon 8)

Edit This is specific to YOUR system. And it also assumes that your 3700+ can handle the FSB at 250mhz (giving a CPU clock of 250x11 = 2.75Ghz). Whilst most can, yours might not. That's why I suggested going for maybe 230mhz FSB to start with, then keep upping it.

Once you reach the limit, you need to start increasing voltages to get higher clocks. This is a really basic guide, for advanced stuff like voltage increases, try a google search for Overclocking Guide, etc.

If the system fails to boot because of overclocking, resetting the CMOS will put everything back to default: how to do this is in the manual.
« Last Edit: Oct 10th, 2006 at 5:00pm by GeForce »  
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Reply #5 - Oct 10th, 2006 at 2:01pm

Mees   Offline
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Now please do it for the 4200+ Tongue
 
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Reply #6 - Oct 10th, 2006 at 2:50pm

ctjoyce   Offline
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Quote:
Now please do it for the 4200+ Tongue


Same concept. Half the fun of overclocking is just playing with your settings Wink

Cheers
Cameron
 
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Reply #7 - Oct 10th, 2006 at 4:59pm

GeForce   Offline
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Quote:
Same concept.


Precisely. The 4200+ has the same multiplier (11x) as the 3700+, it's just dual core.

Follow what I said above, should work fine. Be aware though that the dual cores don't generally clock as far as the single cores, as the duals are built on E6 silicone which is not as good as the E4 silicon that is in (most) of the single cores.

You should get 2.6Ghz easy on air/stock volts/stock cooling.

Just give it a shot. Leave voltages on stock (at least for the moment), and you can't go wrong Wink

Jon 8)
 
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Reply #8 - Oct 11th, 2006 at 9:29pm
cheesegrater   Ex Member

 
Quote:
Precisely. The 4200+ has the same multiplier (11x) as the 3700+, it's just dual core.

Follow what I said above, should work fine. Be aware though that the dual cores don't generally clock as far as the single cores, as the duals are built on E6 silicone which is not as good as the E4 silicon that is in (most) of the single cores.

You should get 2.6Ghz easy on air/stock volts/stock cooling.

Just give it a shot. Leave voltages on stock (at least for the moment), and you can't go wrong Wink

Jon 8)


My 3800 X2 is E4. Grin
 
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Reply #9 - Oct 12th, 2006 at 1:59am

GeForce   Offline
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Quote:
My 3800 X2 is E4. Grin


Yep, there are some mixarounds. I was being very general in that post Wink

I hope you're overclocking that thing, should overclock like a dream that one!

Jon 8)
 
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Reply #10 - Oct 16th, 2006 at 7:01pm
flymo   Ex Member

 
overclocking an Nvidia card is so simple.

download the coolbits registry entry

install it by double clicking it

open up ur nvidia control panel

go to clock settings

adjust run 3dMark continune until maxed out or temp gets to high of ur get random blips on 3dmark

i bought a 7900GTO and i now have a 7900GTX Cheesy Cheesy Grin Grin

john

and next my CPU which me and my mate are doing on wensday Grin
 
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Reply #11 - Oct 17th, 2006 at 10:18pm
cheesegrater   Ex Member

 
A 7900GTO has a 7900GT core. Although the core is already clocked to GTX speeds with GTX heatsink so it's worth it. Wink
 
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Reply #12 - Oct 18th, 2006 at 9:14am

Mees   Offline
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I'm fine with having a stock GTX, thank you 8) 8)
 
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Reply #13 - Oct 18th, 2006 at 12:33pm
Nick N   Ex Member

 
A better utility for Nivida is NVTRAY. It allows you access to all the settings and adds access to OpenGL and DX settings your Nivida panel does not see, such as D3D LOD calibration... it should always be set to -6 for best image quality.


You must have NET Framework 2.0 and all the updates for it installed before installing NVTray

http://nvtweak.laptopvideo2go.com/

The beta version is stable and works better than the official release
 
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Reply #14 - Oct 20th, 2006 at 10:09am
flymo   Ex Member

 
coolbits serves me jsut fine thank you nick Grin

but yeh coolbits is probably your safest and easiest bet for overclocking
 
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Reply #15 - Oct 20th, 2006 at 11:17am

ctjoyce   Offline
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Im actually a biggeer fan of RivaTuner.

Also flymo, you keep telling people that you have a 7900GTO running GTX. Why not just BIOS flash it, and just have a GTX?!

Cheers
Cameron
 
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Reply #16 - Oct 28th, 2006 at 12:59pm
flymo   Ex Member

 
becuase i can do a very safe process of a small overclock get the same results without touching my bios....simple as tbh
 
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