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