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 (http://www.dell.com/support/Article/us/en/6099/SLN284985), 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.

tks,

paul

 

thing is the PSWD and RTCRST are labeled, but the pin numbers are not.

 

Tony is right the only function of the cmos jumper is to reset the bios. You move plug from two pins it sits on to the other side and press power to drain the system for about 10-12 seconds and it should not start. Then place plug back on the original pins and everything should be reset when you restart the pc.

 

However that is NOT what it says at that dell link.

 

I see where there is a password jumper also and that I have never seen before but it appears to operate the same way the cmos jumper does where you move the plug to the opposite jumpers and then press the power button for 10 seconds or more and that should clear any password in there. Then return the plug to the jumpers it was set on and restart system. That sounds like what you are looking for except in my experience the only place a password applies is to the entire bios to totally prevent entry to it. Well this appears to be different.

Sorry also I rewrote my last post as well because I realized it made no sense...

 

your advise still totally disregards the dell instructions. You might be right, but, see: https://hardforum.com/threads/dell-optiplex-390-wont-stay-on.1898336/#post-1042270921

 

I can see that of course there seems to be a combination between clearing the cmos jumper and password jumper at the same time follow those instructions, I obviously didn't go far enough
in my reading. This is all news to me but that is pretty easy to follow.

 

Paulmars look at the two different jumpers you may need a flashlight to see and a magnifying glass. On the motherboard the may be a triangle pointing to one of the pins. If you can see that that is pin number one.

Does one of the pins look like it is separated form the other two? That usually is pin one.