20
Introduction
The features and performance of your PC can be upgraded by installing options. This
section explains the types of internal options that can be installed in the PC and how to
remove the upper cover in preparation for installing the internal options.
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Handling precautions
Note the following when installing internal options:
- Before starting operation, switch off the PC and all connected peripherals and unplug
power cords from respective outlets.
- Immediately after the PC is turned off, internal components and units of the PC are hot.
When installing and removing internal options, turn off the power and allow the PC to
cool down for about 10 minutes before starting operation.
- Do not disassemble the power supply unit (a box-shaped device inside the PC).
- Do not damage or remodel internal cables or units.
- Because internal options are PC boards with exposed soldered sections that may be
damaged by a static electrical charge, discharge any accumulated static electricity
before handling.
- Secure the board by the metal bracket portions or an edge of the PC board such that the
surface of the PC board and the soldered sections are not handled.
- Installation and disassembly of options other than Fujitsu brand products void the
warranty.
