Epson ActionTower 7500 User Manual - Page 184
Option card, Parallel, PCMCIA card, Power- on diagnostics
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Option card A circuit board you can install inside the computer to provide additional capabilities, such as a modem or an additional I/O port. Option cards plug directly into option slots so you don't have to alter a computer's circuitry to enhance your system. Parallel An interface that transmits data simultaneously over separate wires in a cable. See also Serial. PCI Peripheral Component Interconnect. The standard developed by Intel Corporation for expansion design. PCI allows high-speed data transfer and was designed for the current generation of processors, but its circuitry design is not tied to the requirements of a specific processor or family. PCMCIA card Personal Computer Memory Card International Association card. A credit-card-sized device that can be used for data storage, memory expansion, or other purposes. PCMCIA cards are often used in notebook computers. Port A physical socket on a computer to which you can connect a peripheral device. Power- on diagnostics Tests stored in ROM that the computer runs to check its internal circuitry, peripheral device configuration, and operating status each time you turn it on or reset it. 6 Glossary
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