
5-2 Installing Options
video memory upgrade
data storage devices
external options.
Installation of all options (except external options) requires
system cover removal. Procedures for removing the cover
are explained in this chapter.
Safety Precautions
Take care when working inside the system and when
handling computer components. Avoid electric shock or
personal injury by observing the following warning.
!
WARNING
Before removing the system unit cover, turn off the
power and unplug the system power cable. Power is
removed only when the power cable is unplugged.
Static electricity and improper installation procedures can
damage computer components. Protect computer
components by following these safety instructions.
!
CAUTION
Electrostatic discharge can damage computer
components. Discharge static electricity by touching
a metal object before removing the system unit
cover or wear an antistatic wrist strap.