NEC Express 5800/120Lg, Service Manual

Page: 70 / 204

4-4 Disassembly and Reassembly
Tools Recommended for Upgrading Your
System
Depending on the upgrade, you will need one or more of the following tools:
!
Phillips screwdriver (#1 bit and #2 bit)
!
Flat-head screwdriver
!
Small needle nose pliers
!
Pen or pencil
!
ESD workstation or antistatic wrist strap (recommended)
Preparing Your System for Disassembly and
Reassembly
To prepare your system for installation or removal of system components
perform the following procedure:
1. Observe the safety and ESD precautions listed under General Information
and Static Precautions at the beginning of this chapter.
2.
Open the front bezel of your system's cabinet. For rack-mount systems you
must remove the front panels of the system chassis.
3.
Shutdown the operating system (OS).
4.
Press the power on/off switch on the front panel of the server (see
Front View in Chapter 2). The power-on LED goes out.
5. Power off the peripheral devices.
6. Unplug the system power cord(s) from the AC wall outlet(s).
Note:
If the system power cord is connected to a power
control unit such as an UPS (Uninterruptible Power Supply),
refer to the UPS user's guide for proper power-off
procedures.
7.
Unplug all the I/O cables connected to the rear panel of your system.