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D Class System Memory Upgrade
Overview of Memory Installation
Required Tools To perform the procedures in this upgrade guide, the following tools are required:
• Small flat-bladed screwdriver
• Torx driver, #15
• Phillips screwdriver.
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
Discharge
Precautions
Electrostatic discharge can damage the integrated circuits on printed-circuit boards.
To prevent such damage from occurring, be sure to observe the following
precautions when handling and installing boards:
1. Use a grounding mat and an anti-static wrist strap, such as those included in the
ESD Field Service Kit (HP P/N A3024-80004).
2. Wear the anti-static wrist strap to ensure that any accumulated electrostatic
charge is discharged from you body to ground.
3. Keep uninstalled printed-circuit boards in their protective anti-static bags until
you are ready to install them.
4. Handle printed-circuit boards by their edges after you have removed them from
their protective anti-static bags.
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