Terry Christophersen wrote:
> Hi all,
> When I turn on the main power  switch my computer will come on for
> a couple of seconds then shut off.I wait for this to happen then push the
> computer on switch.This is how it been since I switched to a 525.
> Why does the computer come on without me hitting the computer on switch?
>
>   
All the modern CPUs have software-controlled power supplies.  there is a 
command
line from the MB to the power supply telling it when to turn on/off.  
The power
button goes to the MB, not the power supply, and starts the sequence, 
when you
have it set for manual on/off.  Most BIOS'es can be set for either last 
power
status or always come on after power restoration.  I have mine set this 
way, as
I turn the whole machine on from a power strip.

So, anyway, the PS has to turn the CPU on so the BIOS can look to see what
its power-on response is set for.  And this is real nice, as a remote 
server you
want to power up whenever power is restored after an interruption.

Jon

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