Hitachi 65 - Installing and Removing an Extension Board

6. CHECKUP AND MAINTENANCE
6-8
6.3.4 Installing and removing an extension board
WARNING
Before you install or remove an extension board, make sure you shut down the
OS, unplug the power cord from the outlet, and wait for at least one minute. If
you install or remove an extension board without shutting down the power, an
electric shock or a fire may result.
NOTICE
Make sure you disconnect all external cables connected to the equipment before
you install or remove an extension board. Otherwise, failure of the equipment
may result.
(1) Before installing or removing an extension board
・ Before starting to work, see “6.3.2 Before installing or removing components”.
・ When extension boards have been already installed to the slots, install or remove the
extension board from a big number slot after removing a small number slot.
・ When you install some extension boards at a time, install extension boards in the order
that the slot number is larger.
・ For information about the location of the extension boards, see “Figure 6-1 Types and
Locations of Installed Components”.
< NOTE >
For information about the precautions for extension boards,
see “PRECAUTIONS 7. EXTENSION BOARDS”.