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P4 over clocking problem, help

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July 28, 2004 9:04:49 AM

i have a p4 with spec below. i overclocked it with D.O.T and manually by increasing the fsb rate and my sound card keeps on crushing. then i tried to increase the cpu ratio from 14 to 14.5 or something else so that way my motherboard wouldnt be involved but i didnt have the option to do that. my mobo wouldnt let me to. help

P4 Northwood, 2.8 ghz, 512kb (cache)
512 Corsair ValueS, 2x256 3200DDr(not a good decision tough)
MSI 865PE PFISR
Radeon 9800pro 128mb
sound on board, realtek ac'97
psu 400w
case unknown!!
Maxtor 120gb + Maxtor 40gb

More about : clocking problem

July 28, 2004 6:05:10 PM

I don't think you will be able to change the multiplier on your cpu. I think they're locked at the factory. I could be wrong here, since I mainly fool around with AMD chips.

If your mobo doesn't keep the PCI bus locked at 33mhz, when you raise the FSB it will also raise the pci bus from 33mhz to higher. That c/b the cause of your sound problem. That could also cause problem with the IDE/hard drives.

Find out if your board keeps the pci & agp locked at 33/66mhz (respectively) when you raise the FSB.

Mobile XP 2600+ (11X200)
Abit NF7-S v 2.0
Maxtor 60GB ATA 133 7200RPM
512MB Corsair Twinx 3200LL
BBA 9800 Pro
Enermax Noisetaker 420 watts
Win98SE
July 28, 2004 8:24:50 PM

Intel chips are factory locked

<font color=blue><font color=red>Blow</font color=red> Dry <font color=red>my ass</font color=red> and call me <font color=red>Eden</font color=red>!</font color=blue>
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July 29, 2004 12:24:26 AM

Stay away from DOT. You want to overclock, do it in Bios.

Abit IS7 - 2.8C @ 3.4 - Mushkin PC4000 (2 X 512) - Sapphire 9800Pro - TT 420 watt Pure Power
Samsung 120gb ATA-100 - Maxtor 40gb ATA - 100
Sony DRU-510A - THAT'S MORE LIKE IT!
July 29, 2004 11:34:56 AM

thanks for your help Coyote. your absolutely right, my mobo wont lock the pci/agp rate at 66/33, when i overclock it . it will change. do you have any solution for that? by the way my hardrive did crush once. i mean motherboard couldnt recognize it.
July 30, 2004 11:15:54 PM

That's ridiculous! Nobody at MSI is THAT dumb! You need to reset the AGP/PCI freqencies once you up your frontside buss. If that board won't lock down the AGP/PCI buss, RMA it or flash the BIOS and try again. You have a problem! :smile:


Abit IS7 - 2.8C @ 3.4 - Mushkin PC4000 (2 X 512) - Sapphire 9800Pro - TT 420 watt Pure Power
Samsung 120gb ATA-100 - Maxtor 40gb ATA - 100
Sony DRU-510A - THAT'S MORE LIKE IT!
July 31, 2004 2:15:06 PM

i've already updated my bios, but i've done it while windows was runnig. i mean its a new sofware which flashes it from windows or something. what im trying to say is, is there a problem of flashing it with that sofware which does it while the windows is running. is it better to flash it with a floppy? my bios seems to be updated anyway because after the restart it asked that question which means setup has been changed.
where exactly on bios can i lock the agp/pci freq? i've done it before in Frequency/voltage control. is that the right place?
thx
July 31, 2004 3:52:12 PM

I've used MSI's Live Update with no problems. I've also used ABIT's Easy Flash with no problems. The AGP/PCI frequency control should be on the same BIOS page as your FSB control. Notice how when you raise FSB the AGP/PCI speed changes too? Once you raise your FSB go down the page and lower your AGP/PCI back to 66/33. Exit & Save BIOS
settings. If this isn't working you have a faulty board!


Abit IS7 - 2.8C @ 3.4 - Mushkin PC4000 (2 X 512) - Sapphire 9800Pro - TT 420 watt Pure Power
Samsung 120gb ATA-100 - Maxtor 40gb ATA - 100
Sony DRU-510A - THAT'S MORE LIKE IT!
August 1, 2004 1:59:50 AM

Windows flash never works, do it in dos.
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Actually, it works pretty good now. It hasn't failed me yet. :smile:


Abit IS7 - 2.8C @ 3.4 - Mushkin PC4000 (2 X 512) - Sapphire 9800Pro - TT 420 watt Pure Power
Samsung 120gb ATA-100 - Maxtor 40gb ATA - 100
Sony DRU-510A - THAT'S MORE LIKE IT!
August 1, 2004 5:23:16 PM

Well, anything can happen. I always have a back-up on a floppy just in case. You can't have any background programs running either. It's been so long since I did it via DOS that I would probably need a refresher course! :lol: 

Abit IS7 - 2.8C @ 3.4 - Mushkin PC4000 (2 X 512) - Sapphire 9800Pro - TT 420 watt Pure Power
Samsung 120gb ATA-100 - Maxtor 40gb ATA - 100
Sony DRU-510A - THAT'S MORE LIKE IT!
!