Replacing System Components - Intergraph TD-x20 System Reference Manual

3

Replacing System Components

This chapter describes replacing the following components of the TD-x20, TD-x25,
TDZ-x20, and TDZ-x25 workstation:
u
SCSI termination card (desktop)
u
Riser card
u
Option board fans (deskside)
u
System hard disk drive fan (deskside)
u
Processor module
u
System board
u
Power supply
u
CMOS/clock battery
You will need the following tools to service the system:
u
Quarter-inch nutdriver
u
No. 1 Phillips screwdriver
u
No. 2 Phillips screwdriver
u
Three-sixteenth-inch nutdriver
u
Five-sixteenth-inch or 8 mm nutdriver
u
Small single-slot screwdriver
Open the base unit, take precautions against electrostatic discharge, and attach an antistatic
wrist strap as described in Chapter 1, "Opening and Closing the Base Unit," before replacing
any parts. After replacing system parts, close the base unit as described in Chapter 1.
CAUTION The parts inside the base unit are designed to fit within very tight tolerances. Some force is
required to remove or insert parts. However, if you cannot remove or install a part properly,
ensure that there are no obstructions hindering the part.
NOTE "Right side" and "left side" are as seen from the front of the base unit.
19