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Thread: OverClocking my pc P42.8ghz




  1. #1
    Join Date
    May 2004
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    thank u for entering this post
    well i want to overclock my pc
    heres some details about it :
    intel p4 2.8c
    board : MSI PT880
    TWINMOS 256MB DDR 400MHZ PC3200
    MSI Gforce 4 64mb mx440
    fans : one at the back, under the atx300w power supplier - moving air out of the box
    one on the Video card and one on the proccessor...

    well i read a lot about OC and played with it a bit
    i have a few questions
    well i raised the fsb to 245MHZ
    to make the cpu load ok, i raised the voltages as neccessary
    and it loaded ok, everything was fine, temp' was ok ;
    in rest : 42 degress
    while busy : 50-51 degress

    i tried to raise it to more than 245mhz, well it started to be unstable, its started restarting itself, never made it to the windows login screen
    i tried raising the voltages again, would work ?
    why is that ?

    well i understand that if its restarting itself it means its unstable, does this mean that if its not restarting than its ok ?
    i tried running prime95, well lots of tests were ok, but at one of the tests it failed :/

    do u guys recommend i try 5:4 ratio ?
    how exactly does it work ?
    what do i need to know to operate it...?

    thanks to all helpers

  2. #2
    Join Date
    Feb 2003
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    Fincastle, IN, USA
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    Alright, don't put ya CPU voltage above 1.7v Two, you do need some better case cooling.

    But yes, set the ratio to 5:4 and you will go higher. You shouldn't need much extra CPU voltage to run until around 260-275mhz FSB

  3. #3
    Join Date
    May 2004
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    if u have a little spare time, could u guide me through the process ?
    maybe through icq ?

  4. #4
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    Yes 5:4 would be good if that chipset/BIOS allows but a 300W PSU could also be part of your problem as it is likely struggling under the load.

  5. #5
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    Quote Originally Posted by wayout44
    Yes 5:4 would be good if that chipset/BIOS allows but a 300W PSU could also be part of your problem as it is likely struggling under the load.
    Yeah, I didn't noticed that in his post, AzurA, I'd recommend you get at least a quality name brand 350W power supply or better.

  6. #6
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    May 2004
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    im gonna buy one but not at the time
    i have another PSU here, which will be connected seperetly to a bunch of fans on the door of the cpu...


    anyway, about the psu, u think that might be causing restarts and instabillity of my PC at high OC ?

  7. #7
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    Very likely and the P4's that I build get no less than a quality 420-430W PSU as I've found lesser quality and rating will do that when the system is being pushed hard.

  8. #8
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    Quote Originally Posted by wayout44
    Very likely and the P4's that I build get no less than a quality 420-430W PSU as I've found lesser quality and rating will do that when the system is being pushed hard.
    My P4 system (Abit IC7-G, MSI FX5600, 2.4c @ 3.3) runs on a 400W Icute PSU and does just fine, also with a HD, CD-RW, 6 fans, and 2 cathodes


    Yeah an inaduqaute Power supply or, too low of voltage can cause random reboots

  9. #9
    Join Date
    Jun 2004
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    Quote Originally Posted by AzurA
    thank u for entering this post
    well i want to overclock my pc
    heres some details about it :
    intel p4 2.8c
    board : MSI PT880
    TWINMOS 256MB DDR 400MHZ PC3200
    MSI Gforce 4 64mb mx440
    fans : one at the back, under the atx300w power supplier - moving air out of the box
    one on the Video card and one on the proccessor...

    well i read a lot about OC and played with it a bit
    i have a few questions
    well i raised the fsb to 245MHZ
    to make the cpu load ok, i raised the voltages as neccessary
    and it loaded ok, everything was fine, temp' was ok ;
    in rest : 42 degress
    while busy : 50-51 degress

    i tried to raise it to more than 245mhz, well it started to be unstable, its started restarting itself, never made it to the windows login screen
    i tried raising the voltages again, would work ?
    why is that ?

    well i understand that if its restarting itself it means its unstable, does this mean that if its not restarting than its ok ?
    i tried running prime95, well lots of tests were ok, but at one of the tests it failed :/

    do u guys recommend i try 5:4 ratio ?
    how exactly does it work ?
    what do i need to know to operate it...?

    thanks to all helpers

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