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486DX2 PLL

Discussion in 'Intel' started by bigwayne, Jul 19, 2005.

  1. bigwayne

    bigwayne Guest

    Does anyone know if the internall PLL on an Intel 80486 can be
    by-passed or disabled?

    I want to single step using an externally controlled clock without the

    bigwayne, Jul 19, 2005
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  2. Is everything in that CPU static? Otherwise it won't work below a
    certain speed. In any case I think the first answer is no. I seem to
    remember hardware which allowed that, but the 486 was a long time ago
    for me, it might have been 386.
    Bill Davidsen, Jul 27, 2005
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