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Old 11-04-2003, 09:39 PM   #1
spyghost
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Registered: Jun 2003
Distribution: Redhat
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Unhappy shorted psu wires - will mobo/processor still funciton well?


hi,

there was an accident last night and my psu 5.0v line was shorted to its nearby ground wire due to a defective floppy drive. the wires got melted and consequently smoke came out due to the melted wires.

the connection that i have was psu -> cd-rw -> dvd-rom -> floppy. the wires that melted were those found in between the dvd-rom and floppy only.

my power supply is a hec 475w psu and my processor is axp 2100.

will my mother board/processor still function properly? i am very terrified by the situation.

after using motherboard monitor version 5.3.5.0, i found out that the core 1 voltage is just 0.08v?!?! and the reading of my processor % usage is always 0%!

is my motherboard/processor already doomed to failure?

the pc still runs, the only problem is that why is the mbm reading like this? this is the first time i used mbm so i do have a basis for comparison...

thanks...

 
Old 11-04-2003, 09:46 PM   #2
LogicG8
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Registered: Jun 2003
Location: Long Island, NY
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If it works it's probably alive and kicking, probably to stay.
If none of the magic blue smoke came out of any the ICs
and no diodes popped you are probably ok.

Test out the other components of the board if they have died
the mobo may still be usable.

The damage is much worse if you short to +/-12V trust me.
 
Old 11-04-2003, 09:58 PM   #3
LogicG8
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Location: Long Island, NY
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Boring war story alert:
2 weeks ago my boss was debugging our AT powering hack
to an ATX powered board. The power would go on the heat
sink fan would start spinning but the computer wouldn't boot.
(Timing issue w/ 3.3V if you care). Any way he flipped the header
of the VGA connector on the video card after I had left. Thinking
that maybe that he just wasn't getting video and the computer
really was booting. He didn't switch it back. I came in the next day
and re-installed an ATX power supply so I could work on the
software. I turn on the computer only to see a huge plume of
smoke. The ribbon cable connected to the header was completely
burned along 2 wires from connector to connector. This scared the
crap out of me. I hadn't even finished my coffee yet. I was worried
the whole mess was going to be burned for demo that was already
late. Everything turned out to be ok. I found another vga header
we had in stock. this one was keyed all I had to do was clip the unused
16th pin on the header connector on the video card.
 
Old 11-05-2003, 05:28 AM   #4
spyghost
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Registered: Jun 2003
Distribution: Redhat
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Quote:
Originally posted by LogicG8
If it works it's probably alive and kicking, probably to stay.
If none of the magic blue smoke came out of any the ICs
and no diodes popped you are probably ok.

Test out the other components of the board if they have died
the mobo may still be usable.

The damage is much worse if you short to +/-12V trust me.
as of now, things are working fine... i don't know in the near future...

by the way, how am i gonna test "the other components of the board"?

in a visual perspective, things are still soldered well, and no signs burned components... (hope i haven't skipped)

how am i gonna test it?
 
Old 11-05-2003, 09:28 AM   #5
LogicG8
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Registered: Jun 2003
Location: Long Island, NY
Distribution: Gentoo Unstable (what a misnomer)
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Try and use the the stuff the board has to offer

if you have onboard ethernet ping somebody
if you have onboard sound play an mp3

that sort of thing.
 
  


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