Reset clear set cmos bios board jumpers? - Techist - Tech Forum

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Old 05-02-2016, 01:02 PM   #1 (permalink)
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Join Date: Jan 2009
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Default Reset clear set cmos bios board jumpers?

I was given a not working dell optiplex 390. The previous owner's 'friend' tried to fix it and might have moved some jumpers. Reading the manual and searching dell site I cant determine were the jumpers should be. I want to know that they are in the proper positions. Is this info available? I found this (How to Perform a BIOS or CMOS Reset and/or Clear the NVRAM on your Dell System | Dell US), but section two totally confuses me. It sounds like the jumper is being moved from the PSWD connector to the RTCRST connector, without saying which of the 3 pins to connect. However, the picture below shows both connectors having jumpers. Note that I already reset the bios by removing the battery. So, that is not what Im trying to do here.


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