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Dell Optiplex GX110 board

Higher clocked memory can generally be used at a lower clock, but not in all cases. I've seen many machines that refuse to use memory clocked differently than what it was expecting, or not behave.

But just because you install PC-133, doesn't mean it will run at that speed. Motherboards generally have memory options in the BIOS to set the speed, with the exception of OEM boards in most cases do not.
 
right, as said it runs at PC-100 speed
dells are 'sposed to be finicky about memory so i'm just running
one stick of any type.
i hate those unruly computers doing what they want, when they want!

still no luck with the keyboard.
if i remove alerts (no fan or the intrusion switch error) all the computer does is
have a blinking curser at the top of the screen.
at least if i get an error sometimes i get the
F1 to contuniue or the F2 for setup...
otherwise no keyboard imput is reconized

today i will put in a freshly formatted HDD and see if it will try to boot from A: drive
with disk 1 from dos6.22 just to what happens.
 
the front panel boards' ETA is tomorrow but it's the post office and
april fools day.. that would be nice if that is all it is.
 
ok so the front panel came.
i taped the intrusion switch down. when up there is continuity.
i left the battery out for about 3 hours( for an additional error) and when i started up the keyboard worked for
1 or 2 times while in the bios setup, then again no keyboard but it works intermittently.
the Alert for the switch is still showing up.
 
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The intrusion switch is normally open, yet it gives a warning about it when it's plugged in? Weird. I wonder if there's a resistor or something inside the switch that the machine is looking for.

You may try shooting some Deoxit Gold G5 / CRC 2-26 into the switch and actuating it several times to see if it makes it behave better.

If the keyboard is working intermittently, you may want to try quickly running through the BIOS and turn off the intrusion option if possible.
 
yes last night i hit the down arrow key rapidly and got down to boot order and its set to A:/;C:/;CD
on the next time i got in to the bios i got to the bottom of the page and could see the
security settings but didn't get into it. if i stop hitting keys for a second the keyboard stops working
i will try to get in today.

over the weekend i found an additional switch in the box of wires and cables and will swap out the other one
and see what happens...if there are screws i'll open one and see if there is a resistor
in there.
 
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the intrusion switch is just a mechanical contact switch.
no way it can fail.
 
the intrusion switch is just a mechanical contact switch.
no way it can fail.

Mechanical switches can most definitely fail, I replace/repair them all the time.

The most common failure is wear or oxidation on the points inside the switch that causes high resistance or no connection when the contacts are closed. The contacts can also be damaged by arcing, which disperses soot and eats holes into the contact points, causing poor or no connection when closed.
 
So I received the DELL ATX PSU adapter in the mail and have some serious concerns!
IMG_20240403_093336.jpg
The male and female ATX headers are just a 1 to 1 pass throught! None of the wires are different at all! Only the 6 pin header coming out the side. This cant possibly be correct can it? Should I just return this?

Can someone post a link to a graphic demonstrating the differences in the DELL vs std ATX pinout?
 
go back and read the posts in this thread..your questions will be answered
you will have to repin the adaptor to make it work
 
i just looked at the other post that jafir posted a link to an adaptor also but it is not
the right one even though it says it will work for the GX110 and the GX1
i repinned like the #19 post and you will need this link too
i had to cut off the red wire and solder an orange wire(3.3v) to it on the AUX adapter.
I was wondering the state of the AUX adapter after repinning. Regardless I am contacting the seller telling them this is just garbage and not what they are claiming it is.
 
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