P5LD2-D, Can't OC ram when locking PCI-E to 100Mhz????

M Diddy

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Nov 23, 2005

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Reading, PA

• Jan 10, 2006

• #1

Ok, here's a wierd one....

My setup's in my sig... When I OC past 220 FSB and have my PCI-E buss locked to 100 Mhz, I can't OC my RAM at all and have to run at normal speed. If I set the PCI-E lock to auto, I can OC my RAM all day.... I've tried upping the volts and loosening the timings on the RAM to no avail....

What would cause something like this??? Is there another voltage I can up in the BIOS to help out??? Thanks for any help!

 

Xtreme Barton

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Jan 17, 2004

• Jan 10, 2006

• #2

why not leave it on auto ?

 

OP

M Diddy

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• Jan 10, 2006

• Thread Starter
• #3

From EVERYTHING I've read, when OCing your FSB, you want to lock the PCI-E to 100Mhz to avoid damaging the card... I don't want to toast an 350.00 ATI card...

 

Xtreme Barton

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Jan 17, 2004

• Jan 10, 2006

• #4

hmm i dont think its a problem on this board...

have you tried locking it into 101 ?

do you have latest bios ?

 

OP

M Diddy

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• Jan 10, 2006

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• #5

Yup.. Latest BIOS. If I OC my RAM, the lowest I can set the PCI-E to is 114....

 

Know Nuttin

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• Jan 10, 2006

• #6

can you check what speed your PCI-E is when you leave it on auto and overclock?

 

pscout

Senior Newbie Cannon-Fodder - R. I. P. good budd

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• Jan 10, 2006

• #7

leave it on auto.

I have 2 p5ld2's, p5wd2 prem and non ... they all have the same setting default setting=auto, and all are oc'ed to 250+ fsb.

I have read in other threads that you need to leave it at auto to keep it locked ... others have tried like you and found it hurt oc.

You still need to lock the pci at 33 tho.

Also, I doubt that a too high frequency will hurt components ... they just won't work right. Not like too much voltage which can hurt.

 

OP

M Diddy

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• Jan 10, 2006

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• #8

Thing is, I don't want my X1800XL to not work right... Is there a way to check what speed the bus is running at when set to auto???

 

N

Nexus Realized

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• Jan 10, 2006

• #9

Download clockgen and overclock your machine slightly and boot into windows, load up cg and it will tell you the bus speeds. If they are locked you're all set.

 

OP

M Diddy

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• Jan 10, 2006

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• #10

Nexus Realized said:

Download clockgen and overclock your machine slightly and boot into windows, load up cg and it will tell you the bus speeds. If they are locked you're all set.

Click to expand...

Just went to CPUID's site and saw this warning under the P5G boards....

(* ClockGen may report wrong PCI Express / PCI frequencies on these boards, as they use a different model of clock generator)

Click to expand...

Not to mention the P5L isn't listed as a compatible board.... Any other suggestions???

 

OP

M Diddy

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• Jan 11, 2006

• Thread Starter
• #11

Any other ideas guys??? I have these nice shiney stick of OCZ sitting in my box that are begging for more speed! Problem is I have an expensive video card begging not to get killed....

 

OP

M Diddy

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• Jan 14, 2006

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• #12

Anyone else???

 

bikinistud

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Manhattan, KS

• Jan 14, 2006

• #13

are you using the bios to overclock?

 

OP

M Diddy

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• Jan 15, 2006

• Thread Starter
• #14

BIOS of course....