Jim:
From my own experience, I had similiar problems that I finally traced to ram
that was incompatible with my motherboard .  I spent about $200 in retail (ram)
diagnostic software before I finally swapped out the memory chips.  The ram that
was incompatible with my system was manufactured by Seaman.  It appears that the
was good but it didn't work with my Tyan board.

Good luck,
Dennis Stephens

Jim Cook wrote:

> Hello,
>      I have a customer that has a 486 with 16MB RAM and Windows 3.1.  During
> different times of usage the computer will just stop and re-boot.  This does
> this without warning, no error messages and it makes no difference what
> program is running at the time.  What do I need to be checking??
>
> Thanks
> Jim Cook
> Jim's Computer Systems