HP 9000 Installation Manual page 8

I/O Card Installation Guide
I/O Card Installation Overview
Safety
Considerations
WARNING
The installation procedures in this guide require opening the system cabinet,
which may expose you to high-energy (high-amperage) circuits, possible
ejection of molten metal, and exposed sharp edges in equipment chassis. Be
sure to remove all rings, watches, and other jewelry from fingers, wrists, and
arms before opening the system cabinet.
Electrostatic
Electrostatic discharge can damage the integrated circuits on printed-circuit boards.
Discharge
To prevent such damage from occurring, be sure to observe the following
Precautions
precautions when handling and installing boards:
1. Use a grounding mat and an anti-static wrist strap, such as those included in the
2. Wear the anti-static wrist strap to ensure that any accumulated electrostatic
3. Keep uninstalled printed-circuit boards in their protective anti-static bags until
4. Handle printed-circuit boards by their edges after you have removed them from
2
ESD Field Service Kit (HP P/N A3024-80004).
charge is discharged from you body to ground.
you are ready to install them.
their protective anti-static bags.