Epson ExpressStation Troubleshooting Guide download pdf

ExpressStation

hard disk

access light

power light

Shadow RAM

Clock/calendar

diskette

disk&e

access light

release latch

poker

reset

button

Parallel

cover

screw

wrallel

oort

power outlet

‘/“““on

slots

serial

PO*

mouse

’

port

keyboard

Doti

Computer Specifications

CPU and Memory

CPU

Intel 25 MHz 486SX, or 33 MHz 486DX

microprocessor; simulated 8 MHz

processor speed selectable through

software or keyboard command

System memory

BIOS

4MB RAM standard on one 4MB SIMM;

expandable using 1MB, 2MB, 4MB, or 8MB

SIMMs up to 32MB (when 8MB SIMMs are

available); SIMMs must be 80ns, 36bit,

72-pin, gold-leaded, fast-page mode type

256KB two-part system BIOS including

video BIOS in two FLASH ROM devices;

write-protection available through jumper

and software

Video RAM

Cache memory

Interfaces

Monitor

1MB standard

8KB internal cache integrated into the

microprocessor; optional 128KB Intel 485

Turbo Cache module can be installed on

main system board (128KB cache module

standard on 486/33 model); write-

through, two-way set associative cache

memory and controller; operation

controllable through software

Math coprocessor

Socket for optional Intel 25 MHz 487SX

coprocessor (allowable on 486SX/25

model only)

serial

SCSI

LAN

Mouse

Keyboard

Option slots

Speaker

Controllers

Diskette

Hard disk

Video

Optional shadow RAM to copy system,

video, or external BIOS information from

ROM to RAM; software selectable

Socketed DS1287 real-time clock, calendar,

and 64-byte CMOS RAM for

configuration; integrated battery with

IO-year life

15-pin, D-shell analog connector; supports

standard VGA, multi-frequency, and high-

resolution monitors

25-pin, D-shell connector; supports IBM

AT compatible or PS/2 compatible

(bidirectional) signals; selectable through

software

Two RS-232-C 9-pin, D-shell connectors;

asynchronous; up to 56K baud rate

Internal connector for SCSI hard disk drive

on drive riser card (single-ended mode

only), terminator soldered onto riser card;

external SO-pin, fine-pitch connector on

back panel for up to seven external SCSI

devices (six if internal device is used);

external SCSI terminator included

One 15-pin AUI (Attachment Unit

Interface) D-sub connector; can connect

external MAU (Medium Attachment Unit)

to provide interface with other networks

One TPE (Twisted Pair Ethernet),

10BASET connector

Mini DIN, 6-pin connector for PS/2

compatible mouse or other pointing device

Mini DIN, 6-pin connector for PS/2

compatible keyboard

Two 32-bit EISA expansion slots (16-bit

and 8-bit ISA compatible) on option card

riser board

Internal speaker integrated into power

supply; programmable at I/O port 61h;

operation controllable through software

Controller on drive riser board supports

one 3.5 inch 1.44MB, third-height diskette

drive

Two interfaces on drive riser board

support either one IDE drive or one

internal SCSI hard disk drive; 3.5inch,

third- or half- height form factor

WD90C30 controller; supports resolutions

up to 1024

768 in 256 colors; compatible

with MDA, CGA, Hercules, EGA, and

VGA standards

ExpressStation Computer

11/2/92

ExpressStation-

1 2 3 4 5 6 7 8

Summary of Contents

Page 1 - Computer Specifications

ExpressStationhard diskaccess lightpower light\./Shadow RAMClock/calendardiskettedisk&eaccess lightrelease latchpokerIresetbuttonbuttonParallelcov

Page 2 - Main System Board Map

ExpressStationLANSCSIIntel 82596CA, 64-byte transmit FIFO,128-byte receive FIFO; 6-byte Ethernetaddress per IEEE 802.3 standard stored inwrit+prot

Page 3 - Main System Board Connectors

ExpressStationMain System Board JumpersThe computer contains four blocks (groups) of jumpers: J3, JS,119, and J21. To access jumper blocks 119 and J21

Page 4 - Miscellaneous

ExpressStationJ6B-External SCSI Port ConnectorType: Fine pitch, 50 pin SCSI-2 (Female)Pinout: 1;456ii910::13::GEGNDGNDGNDGNDGNDGNDGNDEEGNDN/CGNDE%EEG

Page 5 - System interrupts

ExpressStationSystem Current usage~~System I/O address mapK)ddmu FunstbnvorJevkew22-0023 DRAM amtroller ragsters 623520020-0021Inlefru~ wntrdler1 023

Page 6 - ‘2nYR----i

ExpressStationHard disk drive typzsTYP wudsPCseal/ SIX601305412617/ 1OMB(ifJ - - _ -/ user dehnableSystem Memory MapEl22HexeMrees mngs BlwFun6ltonOKB5

Page 7 - SIMM lnstallation

ExpressStationSIMM lnstallationThe Express.%tion comes with 4MB of memory provided by one4MB SIMM (single inline memory module) installed on the mains

Page 8 - Information Reference List

ExpressStationError tone codes fo* fatal errors/ Error tono coda1 D~~rimtionI l-l-31 Real-lime clock wrka/raad failure Il-141-2-ll-2-2ROM BIOS checks

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Epson ExpressStation Troubleshooting Guide

Browse online or download Troubleshooting Guide for Motherboards Epson ExpressStation. Epson ExpressStation Product Information Guide User Manual

Summary of Contents

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