Main system, Mapping, Coprocessor – Epson EISA Desktop User Manual
Page 165: Megabyte
LIM 4.0 EMS
Version 4.0 of the Lotus/Intel/Microsoft Expanded Memory
Specification-a protocol that allows certain application
programs to use memory that MS-DOS cannot use.
Main system
board
The board built into your computer containing the circuitry the
computer requires to operate.
Mapping
The method used to mark to the geographic location of a
resource within the memory address space.
Math
coprocessor
An optional device that enables the computer to process certain
mathematical calculations and display certain graphic images
faster.
MCGA
Monochrome/Color Graphics Adapter. A type of display
adapter that runs either a monochrome or color graphics
monitor.
MDA
Monochrome Display Adapter. A type of display adapter that
displays text in only one color, such as green or amber.
Megabyte
(MB)
A unit used to measure storage space in a computer’s memory
or on a disk. One megabyte equals 1024KB.
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