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OC not reading on Sandra or WCPUID

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  • 19-06-2003 5:53pm
    #1
    Registered Users Posts: 861 ✭✭✭


    I increased my Fsb to 133 from 100 so I should be clocking at about 20*133= 2.6 GHz.

    I ran a cpu check with Sandra and WCPUID but both programs give me my original speed of 2.0GHz.

    Its a P4 2.0 Gig on an ABIT BG7 mobo. What am I missing here?
    Is the FSB all you have to change for the overclock to have an effect?

    Any ideas?


Comments

  • Registered Users Posts: 691 ✭✭✭BabyEater


    Don't try such a big of jump in fsb all at once move it up incrementally . Your motherboard might be reverting to default settings if it is too unstable . There might be an option in the bios to turn this off cant remember the name of it and i don't have your board so i wouldn't be sure if it is there.


  • Registered Users Posts: 861 ✭✭✭Wavey


    Cheers dude,

    I got lost all the 133's and 166's ya hear with regards fsb's and clock speeds.
    Managed to get it up to 129 after all. Not too bad for a noob:p

    Had to up the Core voltage to get this though.
    does the Vdimm voltage have anything to do with stability (could i get more fsb if i increased Vdimm?)

    Come to mention it, heres a cupla options in my bios. Can I alter any of these to get more of an O/C? I've heard the Ram timings can do somthing.

    PCI Bus Freq: EXT Clock/3
    EXT Clock/4
    44 MHz fixed
    37 MHz fixed
    33 MHz fixed

    DRAM Ratio H/W Strap: low
    high
    by CPU

    DRAM Ratio (CPU:DRAM) 1:1
    3:4
    by SPD

    DRAM Timing: by SPD
    CAS Latency Time 2.5
    Act to precharge delay 7
    DRAM RAS# to CAS# 3
    DRAM RAS# Precharge 3


    Anybody familiar with these settings?


  • Registered Users Posts: 691 ✭✭✭BabyEater


    If you have good RAM try to reduce the following settings
    CAS Latency Time 2.5
    Act to precharge delay 7
    DRAM RAS# to CAS# 3
    DRAM RAS# Precharge 3
    to something like
    CAS Latency Time 2
    Act to precharge delay 6
    DRAM RAS# to CAS# 2
    DRAM RAS# Precharge 2
    this should help performance.


  • Registered Users Posts: 861 ✭✭✭Wavey


    Cheers babyeater

    Tried those timings but my pc wouldnt start and it sounded like Bender when he's drunk.

    So I reset the cmos and went to bed.:D


  • Registered Users Posts: 20,055 ✭✭✭✭Cyrus


    PCI Bus Freq: EXT Clock/3
    EXT Clock/4
    44 MHz fixed
    37 MHz fixed
    33 MHz fixed Set to this!!!!!!!

    DRAM Ratio H/W Strap: low
    high
    by CPU Set to High

    DRAM Ratio (CPURAM) 1:1
    3:4
    by SPD Option above set to high will unlock a 4:5 divider use this

    DRAM Timing: by SPD try
    CAS Latency Time 2
    Act to precharge delay 7
    DRAM RAS# to CAS# 3
    DRAM RAS# Precharge 2

    set the cpu vcore to +10% and the v-dimm to 2.8 :D


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