HP 9000 Installation Manual page 34

R Class I/O Card Installation
I/O Card Installation Overview
Safety
Considerations
WARNING
Turn off the system power and disconnect the power cable before opening the
system cabinet. Otherwise, personal injury may occur.
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
2-2
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.