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Old Jan 24, 2006, 08:18 AM   #1
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Qb2k5
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Question Any benefit in o/cing the PCIe bus speed?

I know nVidia that nVidia oc/ing software supports PCIe bus overclocking. My motherboard supports PCIe overclocking from 100mhz to 200mhz.

Is there any hard done or benefit for overclocking the bus? I tried google and there was no real specific info on this.

I'm trying to squeeze every once of performance out of my pc.
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Old Jan 24, 2006, 12:51 PM   #2
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not really, your card can't use the bandwidtth available anyway.
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Old Jan 24, 2006, 01:59 PM   #3
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Yeah one card wouldn't scracth the PCIe bandwidth.

I know both SLI and CrossFire both heavyly saturate the PCI express bus dramatically, even on the new nForce4 Amd/Intel x16 chipsets . Does o/cing the bus even rememdy that problem? Can someone with a SLI or CF setup do a benchmark please? Something mainly gpu-limted like 3dMark 03, 05, or 06?

Does o/cing the PCIe damage the card?

I know o/cing an AGP bus above 66mhz does eventually damage the card.

Last edited by Qb2k5 : Jan 24, 2006 at 02:03 PM.
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Old Jun 4, 2006, 08:50 PM   #4
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meh so, does ocking the PCIe bus = better crossfire performance? Whats the default speed of PCIe and how do you calculate bandwidth? Anyone? I tried searching in google but got pissed of after 15 minutes of BS
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Old Jun 4, 2006, 09:59 PM   #5
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Quote:
Originally Posted by Ryoioi
meh so, does ocking the PCIe bus = better crossfire performance? Whats the default speed of PCIe and how do you calculate bandwidth? Anyone? I tried searching in google but got pissed of after 15 minutes of BS
http://www.viperlair.com/articles/editorials/pcie/
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