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Motorola MVME2400 User Manual

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GL-5

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FDDI

Fiber Distributed Data Interface. A network based on the use of
optical-fiber cable to transmit data in non-return-to-zero, invert-on-
1s (NRZI) format at speeds up to 100 Mbps.

FIFO

First-In, First-Out. A memory that can temporarily hold data so that
the sending device can send data faster than the receiving device can
accept it. The sending and receiving devices typically operate
asynchronously.

firmware

The program or specific software instructions that have been more
or less permanently burned into an electronic component, such as a
ROM (read-only memory) or an EPROM (erasable programmable
read-only memory).

frame

One complete television picture frame consists of 525 horizontal
lines with the NTSC system. One frame consists of two Fields.

graphics controller

On EGA and VGA, a section of circuitry that can provide hardware
assist for graphics drawing algorithms by performing logical
functions on data written to display memory.

HAL

Hardware Abstraction Layer. The lower level hardware interface
module of the Windows NT operating system. It contains platform
specific functionality.

hardware

A computing system is normally spoken of as having two major
components: hardware and software. Hardware is the term used to
describe any of the physical embodiments of a computer system,
with emphasis on the electronic circuits (the computer) and
electromechanical devices (peripherals) that make up the system.

HCT

Hardware Conformance Test. A test used to ensure that both
hardware and software conform to the Windows NT interface.

HAWK

The next generation ASIC, combining the functionality of the
Falcon and Raven chips onto one chip.

I/O

Input/Output

IBC

PCI/ISA Bridge Controller

IDC

Insulation Displacement Connector

IDE

Integrated Drive Electronics. A disk drive interface standard. Also
known as ATA (Advanced Technology Attachment).

IEEE

Institute of Electrical and Electronics Engineers