Sorry I don't have much more to contribute on the solution, but here is one
from my experience.

My last motherboard Asus P2L-B gave me horrendous trouble with Win98 SE
shutdown.  Tried the disable fast shutdown, shutdown patch, and most of the
other hints from Microsoft.  Still I was never able to get my system to
consistently shut down.  Although if I booted to Linux, I was always able to
get my system to power off.

I bought a different Asus p2-99 for higher processor support and more
expansion slots.  It was like a whole different story.  I did not reinstall
windows, I let it just detect and do its own thing, as they were so very
close hardware wise.  It almost always shuts down now.

Odd.
Dan

> Good evening,
>
>         I have a computer running windows 98. It is about 6 months old,
> and had been having the problem where it hangs on shutdown.
>         The past few days, however, it doesn't hang on shutdown,
> instead, it reboots every time I go to shut it down. The only way
> I can get it to shut down, is be quick and turn off the switch on
> the power supply before it starts to re-boot, or put in a floppy
> disk and shut it off when it says "non-system disk"
>         Is there a fix or work around for this

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                       Drew Dunn<[log in to unmask]>