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Do blow capacitors = MB death soon?

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Name: atarileaf
Date: March 30, 2007 at 08:12:29 Pacific
OS: win xp
CPU/Ram: see below
Comment:

I have an older PII 400 with an 993AN (I think its Jetway) motherboard. A quick look shows a couple of capacitors near the slot 1 cpu as slightly bulging near the top and turning brown. Does this mean the motherboard will soon go or can the computer keep on going with the capacitors like this?


Asus K8V-X
Athlon 64 2800+
ATI AIW 9800 Pro
512 PC3200
WD 80 GIG
LG DVD-RW
XP Home

Full time employee of Dharma. One of the "others".



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Response Number 1
Name: XpUser
Date: March 30, 2007 at 08:28:09 Pacific
Reply:

The former - plus it can be classified as a potential fire hazard (something that your insurer won't pay if it somehow burns down your house).

i_XpUser


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Response Number 2
Name: Tubesandwires
Date: March 30, 2007 at 08:35:05 Pacific
Reply:

Make sure they don't just have brown dust on them - the telltale sign is brownish or yellowish fluid, or dried fluid deposits.

Chances are very high your mboard will die because of the faulty capacitors, sooner or later.
There were many mboards made between about 2000 and 2003 that unknowingly used electrolytic capacitors that turned out to be faulty because the electrolytic fluid inside them did not have the proper composition. They are time bombs - they work fine for a long while then they begin to bulge and leak and/or they blow up.
If you have one, you probably have many.

If you're handy with a soldering iron, you can replace the individual capacitors as the defective ones show symptoms if you can still identify what they are by their markings (often impossible for one that has blown up), or there are places on the interet you can get sets of all the electrolytic capacitors for some mboards, but most people don't bother with either and just get another mboard. If a capacitor blows up it may instantly ruin the mboard.

Some mboard makers are more likely to have used the defective capacitors than others. E.g. MSI (MicroStar)



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Response Number 3
Name: atarileaf
Date: March 30, 2007 at 09:55:53 Pacific
Reply:

Thanks for the info, I'll scrap it. Its not worth taking the chances for an old PII.


Asus K8V-X
Athlon 64 2800+
ATI AIW 9800 Pro
512 PC3200
WD 80 GIG
LG DVD-RW
XP Home

Full time employee of Dharma. One of the "others".


0

Response Number 4
Name: Tubesandwires
Date: March 30, 2007 at 10:53:15 Pacific
Reply:

Another mboard maker that tends to have them - Abit

Economical capacitor kits, can make custom kits for other mboards:
http://www.badcaps.net

If you want to re-use your components, I haven't seen any Intel made mboards that have the problem - oem in brand name systems or retail - they likely have a Phoenix bios version; and I haven't heard of Asus mboards having the problem.


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Response Number 5
Name: tropic
Date: March 31, 2007 at 08:32:47 Pacific
Reply:

Funny, I haven't run into an Abit with crappy caps yet, but that's not to say they don't exist!

Boards I HAVE seen that had short-lived caps: Epox, Biostar, Gigabyte, Asus. I think most major board makers got taken by a bad formula a few years back. :)

"If it ain't broke, upgrade anyway."


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Response Number 6
Name: Tubesandwires
Date: March 31, 2007 at 12:35:12 Pacific
Reply:

"Funny, I haven't run into an Abit with crappy caps yet, ..."
See http://www.badcaps.net


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