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why mb support athlon xp 1800+ but not 1900+ ??

Discussion in 'AMD Thunderbird' started by spoon2001, Jun 24, 2005.

  1. spoon2001

    spoon2001 Guest

    I am thinking about upgrading the CPU on an old MB (with PC 133 DIMMs, 2x
    AGP, which enables me to use old ATI All-in-Wonder too, which I can't use on
    more modern MBs.)

    Anyway, the MB manufacturer says the top CPU that my MB will support is the
    Athlon XP 1800+, but not the 1900+:


    This seems strange because both are 0.18 micron CPUs designed for 133/266

    Any idea why this would be? Any significant differences between the CPUs?
    spoon2001, Jun 24, 2005
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  2. spoon2001

    Wes Newell Guest

    And Abit says that my old KT7 board wouldn't run any XP. Now see my sig
    Because that's what they wanted to say?
    May be a slight more power consumption at 100% load, but that's about it.
    Now a newer Tbred B core 1900+ would draw less power. I don't know how
    close this board is to the MSI K7TPro (KT133 chipset), the first spcket A
    board they built I think, but I put a Tbred B core 2100+ in it without
    any problem and even raised the multiplier to 22x for 22x100 (2200MHz).
    You might want to consider reading some of the link below.
    Wes Newell, Jun 25, 2005
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