Hitachi HF-BX1000 Instruction Manual page 9

SAFETY INSTRUCTIONS (Continued)
 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.
 Before you install or remove main memory, 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 main memory without shutting down the power, an
electric shock or a fire may result.
S-6
(See page 5-8.)
(See page 5-13.)