Introduction

Your new Epson® EL 4S/33 computer is a high-performance system offering flexibility and expandability in a compact design. It provides the following features:

0 Cyrix® Cx486SLC™ 33 MHz microprocessor

Cl 2MB or 4MB of internal memory, expandable to 16MB

0 System and video BIOS shadow RAM

0256KB of on-board video memory, expandable to 512KB or 1024KB

0 Built-in VGA port

0Two built-in serial ports, one built-in parallel port, and one built-in game port

cl Built-in PS/2 compatible keyboard port

0Three 16-bit full-length and two 8-bit half-length ISA option slots

0 Support for up to three mass storage devices.

The Cyrix Cx4S6SLC microprocessor is 486SX instruction set-compatible. It features a 32-bit internal/l&bit external data path and is 3S6SX bus-compatible. The shadow RAM feature allows your system to speed up processing by moving the system and video BIOS into the RAM area of memory.

Using the built-in interfaces, you can connect most of your peripheral devices directly to the computer so you do not have to install option cards. You can use the option slots to enhance your system with extra functions such as a modem card, a network controller card, or additional interface ports.

Introduction 1