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This c hapter of the User' s Manual des cribes how to set jumpers.
Note: The procedures that follow are g eneric for all of the EBC572(A) models
2.1 Before You Begin
Ensure you have a stable, clean working environment. Dust and dirt can get into components and cause
a malfunc tion. Use containers to keep small components separated.
Adequate lighting and proper tools can prevent you from accidentally damaging the int ernal components.
Most of the procedures that follow require only a few simple tools, including the following:
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A Philips s crewdriver
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A flat-tipped sc rewdriver
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A set of jewelers S crewdrivers
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A grounding s trap
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An anti-static pad
Us ing your fingers c an disc onnect mos t of the connec tions. It is recommended that y ou do not use
needle-nosed pliers to disconnect connections as these can damage the soft metal or plastic parts of the
connec tors.
Before work ing 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 electronic
components. Humid environment tend to have less static electricity than dry environments. A grounding
strap is warranted whenever danger of static electric ity exists.
2.2 Precautions
Computer components and electronic c ircuit boards c an be damaged by discharges of static elec tricity.
Working on the computers that are still connected to a power supply can be extremely dangerous. Follow
the guidelines below to avoid damage t o your computer or yourself:
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Always disconnect the unit from the power outlet whenever you are working inside t he case.
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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.
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Hold electronic circuit boards (such as the EBC572A board) by the edges only. Do not touch the
components on the board unless it is necessary to do so. Don' t flex or s tress the circuit board.
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Leave all components inside the static-proof packaging that t hey shipped with until t hey are ready
for installation.
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Use correct screws and do not over tighten screws.
EBC572 User' s Manual
12
Chapter 2
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