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Optional equipment, Operating systems and other software – Epson 386/25 User Manual

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Optional Equipment

You can easily upgrade your computer by installing additional

memory and adding optional devices compatible with the IBM

Personal Computer, PC XT,™ or PC AT.“’

By adding memory modules to the main system board, you can
expand the computer’s memory up to 16MB. Memory modules
are efficient because they eliminate the need to use an option
slot to add memory to your system. Your computer can also
access memory on modules faster than memory on an option
card.

You may also want to install a math coprocessor in your

computer to speed up calculations in certain application
programs. You can add an Intel

®

80387 (25MHz) or a

Weitek®3167 (25MHz) math coprocessor; or you can add both

by installing a Weitek dual-coprocessor adapter. Check with
your authorized Epson dealer to see which options are available.

Operating Systems and Other Software

You probably have a version of MS-DOS@’ to use with your

computer. Epson has enhanced MS-DOS by adding two time-
saving utilities-HELP and MENU-that make it easier to use.

The HELP program lets you display information on the screen

about any MS-DOS command. MENU provides an easy way to

run many of these commands.

2 Introduction