Hapter, Umpers, Onnectors – NEXCOM NISE 3500 User Manual
Page 21: Before you begin, Precautions

Copyright © 2011 NEXCOM International Co., Ltd. All Rights Reserved.
8
NISE 3500, NISE 3500M User Manual
This chapter describes how to set the jumpers on the motherboard. Note 
that the following procedures are generic for all NISE 3500 series.
Before You Begin
•
Ensure you have a stable, clean working environment. Dust and dirt can 
get into components and cause a malfunction. Use containers to keep 
small components separated. 
•
Adequate lighting and proper tools can prevent you from accidentally 
damaging the internal components. Most of the procedures that follow 
require only a few simple tools, including the following:
•
A Philips screwdriver
•
A flat-tipped screwdriver
•
A set of jewelers Screwdrivers
•
A grounding strap
•
An anti-static pad
•
Using your fingers can disconnect most of the connections. It is recom-
mended that you do not use needle-nosed pliers to disconnect connec-
tions as these can damage the soft metal or plastic parts of the connec-
tors. 
•
Before working on internal components, make sure that the power 
is off. Ground yourself before touching any internal components, by 
touching a metal object. Static electricity can damage many of the elec-
tronic components. Humid environment tend to have less static electric-
ity than dry environments. A grounding strap is warranted whenever 
danger of static electricity exists. 
Precautions
Computer components and electronic circuit boards can be damaged by 
discharges of static electricity. Working on the computers that are still con-
nected to a power supply can be extremely dangerous. 
Follow the guidelines below to avoid damage to your computer or your-
self: 
•
Always disconnect the unit from the power outlet whenever you are 
working inside the case. 
•
If possible, wear a grounded wrist strap when you are working inside 
the computer case. Alternatively, discharge any static electricity by 
touching the bare metal chassis of the unit case, or the bare metal body 
of any other grounded appliance. 
•
Hold electronic circuit boards by the edges only. Do not touch the com-
ponents on the board unless it is necessary to do so. Don’t flex or stress 
the circuit board. 
•
Leave all components inside the static-proof packaging that they 
shipped with until they are ready for installation. 
•
Use correct screws and do not over tighten screws.
C
haPter
2: J
umPers
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onneCtors
