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Thread: overclocking P4

  1. #1
    Join Date
    Jan 2003


    Any body give me some info on overclocking my P4 1.7 computer
    Wan't to raise it to 2000 if possible.Have jumper on motherboard 100/133MHz

    Via motherboard
    P4-1.7 400MHz system bus
    Socket 423
    Via chipset P4x266
    256 DDR
    Maxtor 60 gig hdd 7200 rpm
    fsb is at 100MHz Don't know how to raise it
    Award bios
    Hope this is enough information

    Please Reply thank you

  2. #2


    In your bios you should have an option to increase the FSB... You MIGHT be able to get your proc to 2.26ghz (133x17) But without knowing what kind of HSF your using (i'm assuming stock cooling) I can't give you much more on info except these bits of advice:

    1) When oc'ng, if you notice instabilities, try and up your CPU VCore (Your VCore is 1.4 right now iirc, so upping it shouldn't hurt it to a point (remember though the proc was designed for a specific voltage, don't go too high and this will stress your CPU more than if you leave it at 1.4)

    2) RAM. Again assumming your using 266mhz ddr ram, in which case, upping your ram's voltage from 2.5 to 2.7, so long as your ram is decent that is, you should be able to squeeze 333mhz outta it, but if not, set your ram down from 2.5x to 2.0x in your bios (look for an option something like: CPU : DDR Ratio or similar) Again take note of upping voltages

    3) I see no problems with ya getting to 2ghz considering that's only an 18mhz increase in your FSB (from 100 to 118 == just over 2ghz)

    4) It all comes down to how good your components are... Some proc's overclock better than others, as does some ram. Best thing you can do is try it, step by step and see which is the highest fsb you can get stable. I'd start at 110mhz FSB and go up 1mhz from there (unless your in a rush and not looking for optimum, then just go up in 5mhz increments until it becomes unstable, then go back down :))

    Again it's all up to your components, your cooling (cpu HSF, case cooling, etc)

    2ghz should be easy to acheive... Running a 2.4ghz p4 in at the shop at 2.8ghz w/o any problems ... And my 2.53 at home at 3.31ghz (tops at 3.21ghz w/ stock cooling) ... trial and error my friend :) Just remember one key thing though, the AGP bus is a lot more overclocking friendly than your PCI bus, so if your bios doesn't have an option to lock the AGP/PCI bus at a specific frequency (66/33 is what you should aim for, few mhz in either direction shouldn't hurt) but if you can't find an option like that, remove any pci devices you don't absolutely need for testing purposes, and try not to offset your pci bus to anything over 37mhz ... even at 37mhz you may notice problems.

    Someone step in and correct me if anything I said may be misleading this fella :)
    <font size=1>Pentium 4 2.53GHz @ 3.515GHz (FSB: 185; VCore: 1.725)</font>
    <font size=1><a href="">ThermalTake Volcano 7+</a></font>
    <font size=1><a href="">Albatron PX845PEV-800</a></font>
    <font size=1>512MB Samsung DDR333 @ DDR370</font>
    <font size=1><a href="">Radeon 9700 Pro 128MB</a></font>
    <font size=1><a href="">Adaptec 29160 Ultra160 SCSI Controller</a></font>
    <font size=1><a href=",1081,321,00.html">Seagate ST373405LW 73GB U160 SCSI</a></font>
    <font size=1>Enermax EG465P-VE 450watt PSU</font>
    <font size=1>CPU Temp (100%): 39 C; HDD Temp (100%): 31 C (100%); Chipset Temp (100%): 32 C</font>

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