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Introduction
The Epson® Equity®’ 386SX/20 PLUS is a high-performance
personal computer which offers exceptional speed and
convenience in a compact design. It includes 2MB of internal
memory, a built-in VGA (video graphics array) display adapter,
built-in parallel and serial interfaces, and an IBM®PS/2™
compatible mouse port.
The built-in interfaces allow you to connect most of your
peripheral devices directly to the computer, so you do not have
to install option cards. If you need to install additional devices,
such as a modem or networking card, you can use the four
standard option slots (three 16-bit and one 8-bit) inside the
computer.
Your system can support up to three internal drives: either two
diskette drives and one hard disk drive, or one diskette drive and
two hard disk drives.
The Equity 3865X/20 PLUS offers several other features to
enhance its speed and versatility:
Memory caching. Portions of your system memory are
copied to a high-speed cache buffer so your computer can
access programs and data very quickly.
Shadow RAM. Your system ROM (read-only memory) and
video ROM are copied into the computer’s RAM (random
access memory) to further accelerate system performance.
Super VGA mode. The built-in VGA adapter and VGA
drivers (included) provide graphics resolutions up to
800 x 600 in 16 colors or 640 x 480 in 256 colors on
compatible VGA monitors.