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 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 O F F / O N Notuaod

mf8un

Connector Pin Assignments

VGA Video Connector

-

Flit

No.Mnotkn

-

1 RED 0 =i

2 GREEN 0

3 BLUE 0

4NC

5GND PWR

6GND PWR

7GND PWR

6GND Fwm

9NC

10 GND PWR

11 MONSC I

12 MONSl I

13 ‘SYNC 0

14Hsmc 0

15NC

-

~rinter/FDD Connector

13 0 0 0 0 0 0 0 0 0 0 0 0 0

2s 0 0 0 0 0 0 0 0 0 0 0 0

Pin Assignments for the Parallel Port

m:

SW

Ei .eslow

1

1 STROBE

j 10

ACK’

 

 

 

 

! 2

! DATA0

11

BUSV

 

 

 

 

14

 

DATA1

C--l-k+

3

 

 

 

 

 

 

 

 

 

 

 

 

DATA2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

15

I DATA3

 

114 J AUTO’ -7

16

 

DATA4

 

15

 

 

ERROR’

 

 

17

 

DATA5

 

16

 

 

INIT’

 

 

 

0

 

DATA6

 

1 7

/ S E L E C T I N ’

 

 

 

 

 

 

 

 

 

 

 

 

19

; DATA7

 

10

/

 

SIGNALGND

 

 

 

 

 

 

 

 

 

 

Active Low Logic

 

 

P&v‘

 

sloti

 

 

 

 

 

 

-19SIGNALSIGNALGND,20

 

 

 

 

I 21

 

I SIGNAL GND

 

 

 

 

 

 

 

 

 

 

 

 

 

 

122

I SIGNAL GND

1

 

Pin Assignments for the External FDD

NB3s-4

11/30/90

Notebook Computers