Main system board

The board built into your computer which contains 1MB of memory and the circuitry the computer requires to operate.

Math coprocessor

An optional device that enables the computer to process certain mathematical calculations faster.

MCGA

Monochrome/Color Graphics Adapter. A type of display adapter that runs either a monochrome or color graphics monitor.

Megabyte (MB)

A unit used to measure storage space in a computer’s memory or on a disk. One megabyte equals 1024KB.

Megahertz (MHz)

A unit used to measure oscillation frequency (of a computer’s internal timing clock). A megahertz is one million cycles per second. The Equity 386SX operates at 16 MHz or simulates an 8 MHz operating speed.

Memory

The area where your computer stores data. Memory contents can be permanent and inalterable (ROM) or temporary (RAM).

Memory module

A small circuit board with an edge connector that contains memory chips. You can add 256KB or 1MB memory modules to the SIMM card inside the Equity 386SX to expand the computer’s memory. A memory module is commonly called a SIMM (single inline memory module).

12 Glossary