[GTALUG] [OT] Dead motherboard or dead CPU?

Kevin Cozens kevin at ve3syb.ca
Thu Dec 4 19:38:10 UTC 2014


On 29/11/2014 4:44 PM, phiscock at ee.ryerson.ca wrote:
> Have you checked the power supply voltages? If the supply has failed with
> an overvoltage, that could cook the mobo. And other periferals. This
> happened to one of my systems...

I checked the 4-pin aux connector that is connected to the MB and it seems 
within spec. The power supply lines aren't easy to access but I can test 
them. I wouldn't expect a failure of the power supply as I haven't had it 
long and it is one that has a wattage rating about twice that of the 
original. Power supply failures I've had in the past have usually been ones 
where the fan bearings wore out.

I have swapped the CPU for one that was supposed to be a good one and no 
change. I have built myself a simple ESR meter. After I pull the MB out of 
the case I will be able to check the caps ane see if one of them failed.

-- 
Cheers!

Kevin.

http://www.ve3syb.ca/           |"Nerds make the shiny things that distract
Owner of Elecraft K2 #2172      | the mouth-breathers, and that's why we're
                                 | powerful!"
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