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[SOLVED] KT7A-Raid and Athlon XP 1700+

Discussion in 'Hardware' started by MikeFaraday, Jan 10, 2002.

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  1. MikeFaraday

    MikeFaraday Thread Starter

    Joined:
    Feb 21, 2001
    Messages:
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    I'm currently trying to sort out a friend's PC, which was having a number of different problems. Over the course of a month or so, he has replaced most of the components but (different) problems keep appearing. I decided to strip the whole machine back to basics and put everything back in one component at a time.
    I've now just got in:
    An ABIT KT7A-Raid motherboard,
    An Athlon XP 1700+
    512Mb P133 SDRAM
    Creative Labs GeForce 2
    and a floppy drive

    All components, except for the floppy are brand new. I flashed the Bios with the new firmware (65) and now something very odd is happening. First time I boot the machine up, it comes up with the "CMOS checksum error" message, as you'd expect. I pop into the setup program, save and exit, and the machine just sits there, no reboot. Nothing. So I reboot, the power lights come on, fans start, but nothing else, no POST beep. If I jumper the pins to wipe the bios, it'll come back up like before, but if I enter the setup program the same thing happens.
    I tried running the pc without entering setup and I noticed that it's showing the processor as an 1100 MHz chip (the setup program correctly showed it as a 1500 MHz), but it booted to a floppy okay. If I rebooted again, it came up with an error along the lines of "Processor has been replaced, or is set wrong, please enter setup".
    I then tried going back to an older version of the firmware (5S). This gave a different response, I could enter the setup, where it detected the chip as a 1500 (only a 100FSB, instead of 133), and it would exit and reboot. But from then on, it would detect the chip as an 1100.
    What could possibly be happening, and what can I do to correct the problem?
    Thanks in advance.
     
  2. Lurker1

    Lurker1

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  3. MikeFaraday

    MikeFaraday Thread Starter

    Joined:
    Feb 21, 2001
    Messages:
    51
    Thanks for your reply Lurker1.
    The board is v1.3, but I've since discovered what the problem was. The proc was showing up as a 1500 in the bios setup. It's a 1700+, but I knew that these actually run at 1500MHz, so I thought that was correct. It turns out that the setup was showing it as a 1500+ and was thus running the chip at 1100MHz. I set the chip to be a 1700+ and up it popped at 1500Mhz.
    I've never seen a chip show up by its name, rather than it's clock speed before, so that's what confused me.
    One to keep an eye on in the future, I think :)
     
  4. Lurker1

    Lurker1

    Joined:
    Jan 30, 2001
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    Mike

    Thanks for letting us know what you found. It seems that these XP processors just need extra care as the bios detected the chip incorrectly. I just had something like that happen on my system where I had to manually crank the bus speed from 100 (default) up to 133. :)
     
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