HP Workstation x1000 hp workstations general - adaptec RAID installation guide - Page 24

electrostatic discharge

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WARNING: Indicates a hazard that could cause injury or property damage. electrostatic discharge Electrostatic discharge (ESD) is a natural by-product of human activity. ESD is transmitted by materials that retain and accumulate electrical charges. ! Caution: ESD can damage electronic components when they are improperly handled and can result in complete or intermittent failures. Always follow ESD-prevention procedures when removing and replacing components. To prevent ESD damage, follow these guidelines: s Always use an ESD wrist or ankle strap and ensure that it makes skin contact. s Connect the equipment end of the strap to an unpainted metal chassis surface. s If no wrist strap is available, ground yourself by touching the metal chassis. s When installing or removing a component, use any available ejector levers or captive installation screws to properly seat the bus connectors in the backplane or card slot. These devices prevent accidental removal, provide proper grounding for the system, and help to ensure that bus connectors are properly seated. s Handle adapter cards by available handles or edges only. Avoid touching the printed circuit boards or connectors. s Avoid contact between printed circuit boards and clothing. The wrist strap only protects components from ESD voltages on the body; ESD voltages on clothing can still cause damage. s Place a removed component board-side-up on an antistatic surface or in an approved antistatic container.

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WARNING:
Indicates a hazard that could cause injury or
property damage.
electrostatic discharge
Electrostatic discharge (ESD) is a natural by-product of human
activity. ESD is transmitted by materials that retain and
accumulate electrical charges.
Caution:
ESD can damage electronic components when
they are improperly handled and can result in complete
or intermittent failures. Always follow ESD-prevention
procedures when removing and replacing components.
To prevent ESD damage, follow these guidelines:
■
Always use an ESD wrist or ankle strap and ensure that it
makes skin contact.
■
Connect the equipment end of the strap to an unpainted
metal chassis surface.
■
If no wrist strap is available, ground yourself by touching
the metal chassis.
■
When installing or removing a component, use any
available ejector levers or captive installation screws to
properly seat the bus connectors in the backplane or card
slot. These devices prevent accidental removal, provide
proper grounding for the system, and help to ensure that
bus connectors are properly seated.
■
Handle adapter cards by available handles or edges only.
Avoid touching the printed circuit boards or connectors.
■
Avoid contact between printed circuit boards and clothing.
The wrist strap only protects components from ESD
voltages on the body; ESD voltages on clothing can still
cause damage.
■
Place a removed component board-side-up on an antistatic
surface or in an approved antistatic container.
!