Epson ENDEAVOR 486I User's Manual

Epson Computer Drive User's Manual - ENDEAVOR 486I.
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EPSON ActionPC 7000, ActionTower 7000, Endeavor 486i

hard disk
access light

RESET

SPEED light POWER light

(HDD)

drive bays

button

AC outlet

serial 1 serial 2

voltage
switch

POWER
button 

RESET
button 

option
slots

POWER light

SPEED light

hard disk
access light

drive bays

 

VGA monitor

printer (parallel device)

serial 2

serial 1

mouse

keyboard

AC inlet

 voltage selector switch

AC outlet

Computer Specifications

CPU and Memory

32-bit CPU

Green PC
energy saver

Upgradable 486-class processors

Energy Star compliant, low-power
standby, doze and suspend modes for the
CPU, hard disk drive, and video signals
sent by the computer to the monitor; select

time-out periods in SETUP; in a standard
configuration of one hard disk drive and
one diskette drive, system consumes less

than 30 Watts in standby mode

System speed

Memory

ROM

Video RAM

Shadow RAM

Cache

Math

coprocessor

Clock/calendar

Controllers
PCI Chipset

Fast and slow processor speeds available;
fast is the speed of the processor and slow
is 8 MHz; from MS-DOS applications,
speed selectable by keyboard command

4 or 8MB RAM standard using SIMMs;

expandable to 128MB using 1, 2, 4, 8, 16,
and 32MB SIMMs; SIMMs must be

tin-plated, 72-pin, 32-bit, fast-page mode
type with access speed of 70ns or faster

128KB Phoenix system BIOS, video BIOS,
and SETUP code located in Flash ROM on

main system board

1MB DRAM on main system board;
expandable to 2MB using two 512KB,

40-pin, SOJ flat pack video DRAM chips

Supports shadowing of system and video

BIOS ROM into RAM; video shadowing
selectable in SETUP program

8KB of internal cache in the processor;
supports 128, 256, or 512KB of external
cache with 32K x 8, 64K x 8, or 128K x 8,

15ns or 20ns SRAM DIP chips and a
32K x 8 tag chip

Math coprocessor built into the processor

on all DX and Intel® Pentium™ OverDrive™
processors

Real-time clock, calendar, and CMOS
RAM socketed on main system board with

integrated lithium battery

Provides PCI caching, memory and
control for the PCI bus, and the

two-channel PCI IDE interface; integrated
PCI bridge translates CPU bus cycles to
PCI bus cycles and CPU-to-PCI memory

write cycles to PCI burst cycles

5/19/95 ActionPC 7000, ActionTower 7000, Endeavor 486i - 1

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