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5V short-circuit = dead board?

Joined
Oct 1, 2006
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Processor AMD Phenom II X2 550 @3600MHz (VCore -0.05V)
Motherboard Gigabyte MA-780G-DS3H (AMD SB700), BIOS: 04/14/09
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Audio Device(s) Asus Xonar D1
Power Supply be quiet! Straight Power BQT E7-400W
Software Windows XP Pro 32bit
Hey,

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:

Jonnycat

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Joined
Nov 16, 2006
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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.
 
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