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Glossary 67
ESD — electrostatic discharge — A rapid discharge of
static electricity. ESD can damage integrated circuits
found in computer and communications equipment.
expansion card — A circuit board that installs in an
expansion slot on the system board in some
computers, expanding the capabilities of the
computer. Examples include video, modem, and
sound cards.
expansion slot — A connector on the system board
(in some computers) where you insert an expansion
card, connecting it to the system bus.
ExpressCard — A removable I/O card adhering to the
PCMCIA standard. Modems and network adapters
are common types of ExpressCards. ExpressCards
support both the PCI Express and USB 2.0 standard.
Express Service Code — A numeric code located on a
sticker on your Dell™ computer. Use the Express
Service Code when contacting Dell for assistance.
Express Service Code service may not be available in
some countries.
extended display mode — A display setting that
allows you to use a second monitor as an extension of
your display. Also referred to as dual display mode.
extended PC Card — A PC Card that extends beyond
the edge of the PC Card slot when installed.
F
Fahrenheit — A temperature measurement scale
where 32° is the freezing point and 212° is the boiling
point of water.
FBD — fully-buffered DIMM — A DIMM with
DDR2 DRAM chips and an Advanced Memory Buffer
(AMB) that speeds communication between the
DDR2 SDRAM chips and the system.
FCC — Federal Communications Commission — A