Epson NB3s User Manual download pdf

EPSON NB3s

battery charging indicator

contrast control ,

LCD screen

brightness control

RAM card cover

ard disk drive

external keypad connector

diskette drive

status indicator bar

Computer Specifications

Main Unit

CPU

386SX microprocessor; 8 MHz or 16 MHz clock speed, selectable

through SETUP or software command

(CV!-All-0

Main

memory

1MB (640KB

conventional;

the remaining 384KB can be used as

either shadow RAM or extended memory, selectable through

SETUP)

Math coprocessor

Socket for optional 16-MHz, 387SX coprocessor

Clock/calendar

Real-time clock and calendar with battery backup

Interfaces

Parallel / External diskette drive

25-pin, D-type, female connector; standard B-bit parallel or external

diskette drive support, selectable through SETUP

Serial

RS-232C, programmable, asynchronous, 9-pin, D-type male

connector

Video

15-pin, female connector; supports

VGA

monitor

Eatuml

num8rlc

k8yp8d

9-pin, mini-DIN connector for

optiorul

external numeric keypad

Speaker

Internal

Memory

Internal RAM card slot: allows expansion to 2MB or 5MB

Modem

lnternal slot for optional modem

parallel/external diskette drive port

external monitor port

Notebook Computers

11/30/90

NB3s-1

1 2 3 4 5 6 7

Summary of Contents

Page 1

EPSON NB3sbattery charging indicatorcontrast control ,LCD screen/brightness controlRAM card coverard disk driveexternal keypad connectorI\diskette dri

Page 2 - EPSON NB3s

EPSON NB3sKeyboard82 sculptured keys; status indicator bar icons for Num Lock, CapsLock, and Scroll lockOptional, external numeric keypadMass StorageI

Page 3

EPSON NB3soptionsInternal 2400-baud, Hayes-compatible, auto-dial modem1MB or 4MB RAM expansion cards20MB or 40MB. interchangeable hard disk drivesExte

Page 4 - Notebook

EPSON NB3sThorn am IKI jumpon to aot for the Epwn NB3a. All settingaam caltrollod by tha SETUP progr8lll.The NB3a hu on. wl of DIP switch08, which ir

Page 5

EPSON NB3sHardware InterruptsCTLRlCTLR2 FunctionIROOTllMfOUtpUtOIRQlI<ryboardMO2htuluptfromcTLR2no3swhlport2ma4SWi~pOftlIRQSParaJMport2IRQSFloppy d

Page 6

EPSON NB3spowor an optional full-nizo keyboard.nardmdtIntetiangrabk, alidwut. lMM8 hard didc;19 ma average acceaa time; built-incontlollu.OQWI skcrTwo

Page 7 - Information Reference List

Epson NB3s[ Information Reference List 1Engineering Change NoticeNoneProduct Support BulletinaNone.Related DocumentationMS DOS 4.01Y18896100200Y18sQ10