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Grounding Workstations
To provide a grounded workstation, do the following:
o Cover workstations with approved static dissipating material. Provide a
wrist strap connected to work surface and properly grounded tools and
equipment.
o Use static dissipating mats, heel straps, or air ionizers to give added
protection.
o Handle electrostatic sensitive components, parts, and assemblies by the
case or PCB laminate. Handle them only at static free workstations.
o Avoid contact with pins, leads, or circuitry.
o Turn off power and input signals before inserting and removing connectors
or test equipment to the computer.
o Use fixtures made of static safe materials when fixtures must directly
contact dissipating surfaces.
o Keep work area free of non conductive materials such as ordinary plastic
assembly aids and Styrofoam.
o Use field service tools, such as cutters, screwdrivers, vacuums, that are
conductive.
o Use a portable field service kit with a static dissipating vinyl pouch that
folds out to a work mat. Also use a wrist strap and a ground cord for the
work surface. Ground the cord to the chassis of the equipment undergoing
test or repair.
Grounding Equipment
Use the following equipment to prevent static electricity damage to
equipment:
Wrist Straps are flexible straps with a minimum of 1 megohm ñ 10%
resistance in the ground cords. To provide proper ground, a strap must be
worn snug against the skin. On grounded mats without banana plug connectors,
connect a wrist strap with alligator clips.
Heelstraps/Toestraps/Bootstraps can be used at standing workstations and are
compatible with most types of shoes or boots. On conductive floors or
dissipative floor mats, use them on both feet with a minimum of 1 megohm
resistance between operator and ground. To be effective the conductive
strips must be worn in contact with the skin.
Other materials and equipment that are recommended for use in preventing
static electricity include:
o Antistatic tape
o Antistatic smocks, aprons or sleeve protectors
o Conductive bins and other assembly or soldering aids
- Chapter 1. Specifications 2
- Chapter 1.2 Keyboard 3
- Chapter 1.4 Power Supply 4
- Chapter 1.5 Diskette Drive 5
- Chapter 1.6 Fixed Disk Drives 5
- Computer 44
- System Unit 44
- Introduction 54
- Chapter 5.5 Keyboard 59
- Chapter 5.6 Rear Panel 61
- Chapter 5.7 Options Cover 63
- Chapter 5.8 Standard Boards 64
- Chapter 5.9 Power Supply 68
- Chapter 5.10 Fan Assembly 69
- Chapter 5.11 I/O Board 70
- Chapter 5.12 Base Panel 71
- Chapter 5.16 Keylock 84
- Chapter 5.17 Memory Expansion 85
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