lntroduction
Your new EPSON
®
computer offers the following features:
Intel
®
486SW 25 MHz, 486DW 33 MHz, 486DX2/ 50, or
486DX2/ 66 MHz microprocessor
4MB of internal memory, expandable to 64MB
System and video BIOS shadow RAM
SKI3 of internal processor cache, with support for 64KB,
128KB, or 256KB of external cache
512KB of on board video memory, expandable to 1MB
Math coprocessor built into the microprocessor on the DX
and DX2 systems
Built-in VGA port
Two built-in serial ports and one built-in parallel port
One built-in PSI 2
TM
compatible keyboard port and one
built-in PS/ 2 compatible mouse port
Three 16-bit, full-length and two 8-bit, half-length ISA
option slots (if your system has a DXor DX2 processor,
access to the bottom 16-bit slot may be restricted by the
heat sink/ fan assembly on the processor)
Support for up to four storage devices (two externally
accessible and two internal)
Password security.
Introduction
1
Summary of Contents for EL 486UC+
Page 1: ...EPSON User s Guide 663 This manual is printed on 50 recycled paper 10 post consumer content ...
Page 119: ...Hard Disk Drive Types A S Specifications ...
Page 123: ...Serial port connector pin assignments CN4 and CN5 DMA Assignments A 12 Specifications ...
Page 124: ...Hardware Interrupts Specifications A 13 ...
Page 125: ...System Memory Map I A 14 Specifications ...