HP 2240 Owner's Manual page 120

B-2
This appendix describes the procedures to change your workstation's
hardware configuration.
The instructions in this appendix assume you are using the HP-UX
version 10.20 or later operating system with the HP VUE version 3.0
interface.
CAUTION: Always wear a properly grounded wrist strap
when reconfiguring your workstation.
Use the following tools to remove or replace hardware parts when
changing your configuration:
Light-duty flat blade screwdriver with 150 mm (6 in.) blade
Number 1 Posi-drive driver
T10, T15, and T20 Torx drivers
Needlenose pliers
Also, read the ESD Precautions in Appendix A of this guide.