This object only applies to High Speed Serial ports. When
the Owner of this port has been set to Auto, the system will
also automatically determine the proper Owner to assign to
the port. This object is used to indicate the current status
of the system when it is making these determinations.
A returned value of -1 indicates auto start-up has failed in
determining an owner (path didn't come up). A value of 0 means
either auto start-up has succeded in determining the owner
or the owner was set manually. A value greater than 0 means
the auto start-up is in process and trying to determine the
proper port owner.