NEC Express 5800/120Lg, Service Manual

Page: 129 / 204

Disassembly and Reassembly 4-63
I/O Shield
To remove the I/O, perform the following procedures:
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.
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 1).
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.
Remove the left-hand side access panel of the system chassis following
procedures previously described in this chapter.
8.
Remove the system board following procedures previously described in this
chapter.
9. The I/O shield snaps into the rear panel. To remove the I/O shield, push in
on the perimeter of the shield towards the inside of the chassis.
See Figure 4-58, A for the location of the I/O shield.
A
Figure 4-58. Removing the I/O shield