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Devices that can be replaced or added in
the field are called Field Replaceable Units (FRU). FRUs do not
require any soldering and are easy to remove and install. For example,
a PCI sound card is considered an FRU. A sound card can be removed
with no special tools required.
The following is a list of common FRUs:
- Monitors
- Keyboard/ mouse
- Modular expansion cards
- Most microprocessors
- Power Supply
- RAM: DIMMs, SIMMs, RIMMs, and so on
- Floppy and fixed disk drives
- Motherboard
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