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W153 chip gen, undocumented settings

Discussion in 'Overclocking' started by NimbUs, Nov 14, 2003.

  1. NimbUs

    NimbUs Guest

    Hi ! I have played with undocumented settings on the IcWorks W153-F
    clock generator of my PC mobo. I get a 124 MHz main (CPU) clock
    frequency, which works fine for my hardware. What I am unable to
    determine, however, is what divisor for the PCI clock(s) is used with
    this setting, presumably /3 (hazardous), or /4 (would be OK). I got
    the spec sheet for a W153B once at the manufacturer's website, but as
    I said this settings (and a possible 133 MHz one that hangs my system)
    is undocumented...

    Someone with more knowledge of this chip got an answer ?

    Else, how would I most simply/cheaply measure the actual PCI bus
    frequency ? I do not have a PCI video card at my disposal BTW so no
    possibility to time the video buffer by software here.

    Any suggestion welcome
    NimbUs, Nov 14, 2003
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