5-2 SPARCstation 5 Service Manual—November 1996
5
To protect both yourself and the equipment, observe the safety precautions
listed in Table 5-1.
Table 5-1 Safety Precautions
Item Problem Precaution
AC power cord Electric shock
Grounding
Unplug the AC cord from the AC wall
socket before working on the power
supply.
Leave the AC power cord plugged into the
AC wall outlet when replacing drives,
DSIMMs, chips, or the system board.
Leaving the AC power cord plugged into
the wall outlet provides a grounding path
for the wrist strap, which must be attached.
Wrist strap Electrostatic
Discharge (ESD)
Wear a wrist strap when handling printed
circuit boards, drives, or other components
such as DSIMMs.
ESD mat ESD An approved antistatic mat provides
protection from static damage when used
with a wrist strap. The mat also cushions
and protects small parts that are attached
to printed circuit boards. Chapter 12,
“Illustrated Parts Breakdown,” lists the
part number of the mat.
Printed circuit
boards
ESD Handle a printed circuit board by the edges
only. Store a board in an antistatic bag.
Cover System damage
and overheating
Replace the cover after performing service
on the system.
SBus slot filler
panels
System damage
and overheating
Install filler panels in all unused SBus
openings. Openings on the back of the
system board reduce the cooling capability
of the system.
TurboSPARC
chip heat sink
Heat, burns Do not touch the TurboSPARC chip. The
heat sink can be hot enough to cause
personal injury.
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