/

LCD screen battery charging indicator

EPSON NB3s

contrast control , brightness control

RAM card cover external keypad connector

I diskette drive

I

1 Computer Specifications 1

ard disk drive

\ status indicator bar

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

EPSON NB3s

Keyboard

82 sculptured keys; status indicator bar icons for Num Lock, Caps

Lock, and Scroll lock

Optional, external numeric keypad

Mass

Storage

Interchangeable, slide-out, 20MB or 40MB hard disk designed for low power consumption; 23ms average access time; built-m controller; power-saving feature

Diskette drives

One internal, 1.44MB 3 M-inch diskette drive

Optional, external 5 Vwnch (1.2MB) diskette drive

Display

Large (@Ox480 dots), high contrast, paper-white, backlit LCD display with 16 gray levels; continuous brightness and contrast controls; power-saving feature

CRT mode enabled automatically by connecting an external display to the RGB port before power on

External, VGA-compatible display supported

Power Supply

Interchangeable, rechargeable, internal NiCad battery pack, lasts approximately 2 hours

10-volt AC adapter (can recharge battery pack while operating computer) wth automatx lOO-240V sensing. M/60 Hz

Physical Dimensions

Height

1.72 inches (43 mm)

Width

8.5 inches (210 mm)

11.8 inches (295 mm)

Weight

5.7 Ibs (2.6 kg) wth battery and hard disk

Environmental Requirements

Temperature

Operating: 41. to 95O F (5’to 35. C)

Non-opetating: Ilo to 1Z F (-m to 60’ C)

Humidity

Operating: 20% to 80% hxwondensing~

Non-operating: 8% to 90% (non-condensing)

Altitude

Operating: -230 to 11,800 feet t-60 to 3,OtXl m)

Nonoperating: -224 to 47,200 feet f-60 to 12,ooO m)

NOlO When frauding by airplane, be sure to take your computer ink, tke passenger comparhmnt as cany-on luggage to pmmt stored in an unpressurizad storage canrparhmt.

it from b&g

NB3s-2

11/30/90

Notebook Computers

options

Internal 2400-baud, Hayes-compatible, auto-dial modem

1MB or 4MB RAM expansion cards

20MB or 40MB. interchangeable hard disk drives

External numeric keypad

Battery pack

External battery charger

Car cigarette lighter adapter

Carrying case

Expansion Unit

Power Supply

Automatic 100-240V sensing, 50/60 Hz. Supplies enough power to operate the computer, recharge the battery pack and power an optional full-size keyboard

Hard disk

Interchangeable, slide-out, 120MB hard disk; 19ms average access time; built-in controller

Option slots

Two standard input/output expansion slots, a/l&bit

ISA-compatible. Switch to disable internal VGA controller

Option slot Dimension

Front Width

Height

Length (normal)

Rear

(Wnh sxpsn*on cover)

(hard disk installed)

Width

Height

Length (normal)

Maximum size

0.66 inches (17 mm)

4.80 inches (122 mm)

10.63 inches (270 mm,

13.30 inches (340 mm)

6.12 inches (155 mm)

0.66 inches (17 mm)

4.13 inches (106 mm)

10.63 inches (270 mm)

(with expansion cover) 13.30 inches (340 mm)

Options

120MB interchangeable hard disk drives

External keyboard

Adapter to connect external keyboard to keypad port

Option Card Power Limitations

There is a limit on the amount of current that can be drawn by installed option cards. The total current consumption of the two option card slots must not exceed the maximum current for each voltage shown below.

-5V +12v .12v

V-V

+5V

M8xlmumamant

~

0.3

0.6A

0.3A

Refer to the option card handbook for details.

Notebook Computers

11/30/90

EPSON NB3s

NB3s-3

EPSON NB3s

Thorn am IKI jumpon to aot for the Epwn

NB3a. All settinga am caltrollod by tha SETUP progr8lll.

The NB3a hu on. wl of DIP switch08, which ir uaod in cenjunclbn with a awitch in the rear option slot of the optional

Expansion Unit when you install an l xtor~I video cud into ttw Expamlon Unit (Unlrsa you install an extemrl video card into the Expansion Unit, you do not need to usa any of these

SWitOh.8.) lhr DIP awitchoa In the NB3a are located in the RAM

-ww-r dot, above the keyboard on the computer.

Than DIP switches hm the functlonr hown kkw:

Sdtoh Pod&t Function

1 O F T Color video card

ON Monochromr video card

2 l mf8un

O F F / O N Notuaod

Connector

Pin Assignments

VGA Video Connector

~rinter/FDD Connector

13

2s

0 0 0 0 0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0 0 0 0 0

Pin Assignments for the Parallel Port

I 1 m:

1 STROBE

SW

! 2 ! DATA0

3 DATA1

14 DATA2

15 I

DATA3

16 DATA4

17 DATA5

0 DATA6

19 ; DATA7 l

Active Low Logic

Ei .e

j 10 ACK’ slow

11 BUSV

C--l-k+

114 J AUTO’ -7

15

16

ERROR’

INIT’

1 7 / S E L E C T I N ’

10 / SIGNALGND

P&v‘ sloti

I 21

122

I SIGNAL GND

I

SIGNAL GND

1

Pin Assignments for the External FDD

NB3s-4

-

Flit

No.

-

6

9

10

11

12

13

14

15

-

1

2

3

4

5

6

7

RED

GREEN

BLUE

NC

GND

GND

GND

GND

NC

GND

MONSC

MONSl

‘SYNC

Hsmc

NC

Mnotkn

0

0

PWR

PWR

PWR

Fwm

0

0

I

I

PWR

11/30/90

Notebook

Computers

Hardware Interrupts

1

IROO

IRQl

MO2 no3 ma4

IRQS

IRQS lRO7

CTLRlCTLR2 Function

TllMfOUtpUtO

I<ryboard htuluptfromcTLR2 swhlport2

SWi~pOftl

ParaJMport2

Floppy disk kltorrupt

IQraJlel port 1

IRoe

IRQO

RTC inlMupt sottw8ro redlracbd to IRo2

IRQlO Fbaorved

IRoll Reaolvad

IRQ12 waorwd

IRQ13 chpmoowr

IRCJ14 Hard dldc controllu

IRolS Fhefved

DMA Channels

(.

0m

1 spur

2 Fbppydlsktransfem

3 Spam(HuddlrkdW

4 cuo8deofdamfromoharumlw3 swf@ am

7s9ur,

Notebook Computers

11/30/90

EPSON NB3s

I/O Port Addresses

oooO1F

02OGF o4005F

OWO6F

07W7F

00O-OgF

OM-OBF

OCU-ODF

DMA cwltroller 1

Interrupt Controller 1,82s Master

Timer/Counter, 8251

Keyboard controller, 8042

RTC and Non-Maskable Interrupt Ma&

DMA Page FIegi8Wr lntwupt Chtrollsr 2 S2s Slave

DMA Chtroller 2

OF0

OF1

Char Coprocewor Bury

Rwtcoprooimor

OF&OFF Cqxmr

12B121 @IJtWC!conprolport

170-178

1BF lid Disk Controller Secondary

Configuration Register Lode port 1 lFolF0

2cD207

27~27A

Hard Malt Controlkr Primary

Game l/O

F%ralld Rinter Port 2

27s Configumtlon Register Lock port 2

27G27F parallel Rlntw port 2

2m2FF SUM P o r t 2 c?UMlF PromypoCard

36oa6F-

3704n

378-37A

Dl8ketm controllar sooondary

Pamhl port 1

378

37G37F configurauotl RBgistrr bolt Poll 3 parallel port I

3803BF SDLC, Bisynchronour 2

3&X&U- Blsynchronour 1

380-388 vGAhwtorAdaptar

3BC-38E Parallel Writer Ahornate port l

3BFGDF

3FwR

VGA Monitor Adapter

Dlskolte Controller primary

3F84FF serlaiPort1 l

If thlr pott is ah., BKX will ghfa it priority.

NB3s-5

EPSON NB3s

Fmu SuQpry Automatic lUI-240 V wndng, 50180 Hz.

Supplies enough powor to oporato the computer, recharge the Wry p& and powor an optional full-nizo keyboard.

nardmdt Intetiangrabk, alidwut. lMM8 hard didc;

19 ma average acceaa time; built-in contlollu.

OQWI skcr Two standard l/O evsion slotr, 8/l&bit

ISAcompatibk.

Video Controller Switch

nyouwirh~inrtallr~cudinmrN~ExpurrionUnit, yw mud disabh the onboard video comrolbr. To do this, set thsvideoswltohtotheWpwltlon. Thevidooswitchir boat8d benoath tha connoctaf in the wpanaian unit’s roar option dot.

ohnodom (WxDxH)mm

297x284x43(fronl);928(rur)

Approximately 3.75 Ibs., 1.7 kg

NE3s-6

Inaddition,youm~~tho~onot~MPswidch lowtad In the riot fat the optional coproasaor MdRAMard.

-theRAMard,lfk’Wialbd. l?toDlPHIohb

immodiataly below ttw BlO!3 dtip. lf you arm inshlling a cdor videoard,k8unthatDlP8wibzh1i8OFF. lfyouam installlngamonoohromovidooard,k8urothatWwttchl b ON.

DIPS block

11/30/90

Notebook Computers

Epson NB3s

[ Information Reference List 1

Engineering Change Notice

None

Product Support Bulletina

None.

Related Documentation

MS DOS 4.01

Y18896100200

Y18sQ100400

Yl8w9100500

YlwsQ100300

-100700

TMN63a

PL-N038

W229Q1007

Referenoa Manual ln8tall8tion Guide

Shell LJser’s Guide

Command Summary

N63a User’s Guide

NS3s Servio h4anual

EpaonNB3sPaesList

NS3s Lkier’s Manual

Notebook Computers

11/30/90