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5V short-circuit = dead board?

Discussion in 'Motherboards & Memory' started by peach1971, Jan 11, 2007.

  1. peach1971

    peach1971 New Member

    Oct 1, 2006
    652 (0.17/day)
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    I built a testing setup to check some old SD-RAM bars:

    - mobo ECS K7S5A
    - CPU XP 1800+
    - VGA Nvidia TNT2
    - PSU: some OEM
    - loose PC speaker connected to mobo to evtl. getting any error beeps

    Worked fine so far for several RAM tests.

    But today it didn´t boot nor show any screen, no error beeps.
    So I figured out that the small PC speaker had a short-circuit
    ("+" had contact to the speaker body due to a tiny isolation damage of the wire).

    I disconnected from PSU, cleared the BIOS, took off the battery - didn´t work.
    Plus took off VGA, then plus RAM, then plus CPU - didn´t work.

    It´s dead, isn´t it? :ohwell:
    Btw: Should error beeps (fixed the PC speaker) even appear when ALL components are taken off their place?
    Last edited: Jan 11, 2007
    10 Year Member at TPU
  2. Jonnycat New Member

    Nov 16, 2006
    330 (0.08/day)
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    Given the poor build quality of ECS boards, it wouldn't surprise me that something as trivial as a shorted speaker would render the entire board unfit.
    10 Year Member at TPU

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