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Mission 1: Overclocking my 805D to 4GHZ

post #1 of 8
Thread Starter 
Hi Guys

I have the following setup and trying to reach 4GHZ with this chip.

Intel 805D @ 3.7GHZ
Gigabyte 945P S3
Radeon X600Pro upgrading to Radeon X1900XT in a few weeks
2x1GB Patriot 5300 memory 4,4,4,12
500watt Enermax Liberty PSU

Now I'm tryed a few things like locking the PCIE to 100, but for some reason the computer will not post so I leave it at auto.

I've tryed 20x200FSB with 1.5Volts and board resets inself back to defaults.

Have you great overclocking guru's got any tips for myself?

Cheers

Josh
post #2 of 8
Are you running a multiplier?
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Custom Build
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post #3 of 8
Thread Starter 
Quote:
Originally Posted by |2A|N
Are you running a multiplier?
Hi

Now there's no option for changing the multiplier on this board.
post #4 of 8
No, what you need to try is a divider.

Run your RAM at a lower frequency i.e. 5:4 rather than 1:1 so you can get the maximum boost out ofr your FSB without overdoing it on your RAM, which is not rated for the 800mhz your 200x20 shot is attempting.

Hope this helps.
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Sandy Beach
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by kidwolf909
No, what you need to try is a divider.

Run your RAM at a lower frequency i.e. 5:4 rather than 1:1 so you can get the maximum boost out ofr your FSB without overdoing it on your RAM, which is not rated for the 800mhz your 200x20 shot is attempting.

Hope this helps.
Hi

I think I've tried this already,but i will give it another shot. You don't reackon i need to overvolt the PCI a little on the FSBovervolt?
post #6 of 8
Try giving the RAM a little boost as well with a 2.2v.

Use a 1:1 ratio or 4:5 instead.
post #7 of 8
Thread Starter 
Quote:
Originally Posted by Nasgul
Try giving the RAM a little boost as well with a 2.2v.

Use a 1:1 ratio or 4:5 instead.
Hi

I've tried doing a +0.1 to Ram and computer does not like it and restarts.

This is what the bios looks like on my board.
post #8 of 8
Thread Starter 
Kidwolf and Nasgul thank you so much for the tips, guess what it helped a heap.

I set a divider of 3:5 and I can post and load windows @ 4.0GHZ

Only thing is it would not load windows @ 1.33 volts so I raised it to 1.4v and it loads windows fine.
Once I'm in I ran si sandra 2007 burn in test, the first few minutes are fine but after that a blue screen appears.

Do you know why this is happening guys?

Do I need to raise the vcore more?

Also I can not lock my PCIE to 100 it has to be set to auto.

Cheers

Joshwaan
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