Your computer's motherboard is fitted with a small area of
memory which is used to store information about the
configuration of the computer. The computer's configuration
is modified using a SETUP utility provided in Read Only
Memory (ROM) on the motherboard.
A rechargeable battery on the motherboard maintains the
configuration memory when the computer is switched off.
Each time the computer is switched on, or rebooted, it runs
through a self test procedure. During this period the SETUP
utility can be invoked by pressing the
An icon in the form of a box, a little over one inch square,
appears in the top right corner of the screen during the period
that SETUP can be invoked. An illustration of the icon is shown
There may be a delay of a few seconds, while the self test
procedure is completed, before the SETUP screen appears.
XEN OWNER'S HANDBOOK 4/1