KT3 2400XP just shuts down without any reason

Question

I am desperate.
My system just shuts down as soon as I try to load something in memory.
It’s a KT7333 ultra 2. The latest bios version an one 512 Mb DDR333.
First I use memt86 to test the mem. It ran 3 times without any errors. So the
mem is ok I presume.
I set the FSB to 133 and the bios reported a 2400 cpu.
Then I boot a Win98 boot disk en just when the ( dos) startup menu  is
displayed, the pc shuts down.
This is not random. It happened as well with other settings. Only the
default values “last longer” I mean after a while they cause a shutdown as well..
But when I set the FSB on 133, the pc shuts down.
I have an arctic cooling Copper Silent cooler. It runs at very low RPM's so
I get the alarm of "cooler not working". But I continue, like the website
from arctic-cooling describes. I disable the CPU fan RPM in the bios and
everything works until the system shut's down. When I look in PC health,
the temp never goes above 58 °Celsius, so the cooling should be ok.
After the pc has made a shutdown, I try to restart with the on switch, but
then there is an error, a signal sounds and when I look at the "D-bracket"
It indicates an error. The memory detection test, "Testing onboard memory
size, the D-led will hang if the memory module is damaged or not installed
properly". The led effectively hangs. But when I cut the power on the power
supply, and then enable it again, press the on switch, the entire system
boots without a problem. Just until the shutdown.
Is there another specific memory setting that I can alter?
When I set the BIOS to "high performance setup" the disk doesn’t even have
time to read, the system shuts down earlier. This off course also point into
a failsafe from the cooling.
Please help.

Answer 1

Hi,
It looks to me as your CPU cooler isn't mounted properly....
Take it off, clean everything, regrease and put it on the right way....