EPSON NB3s
contrast control ,
brightness control
RAM card cover
external keypad connector
I
1
Computer Specifications
diskette drive
I
1
Main Unit
CPU
386SX microprocessor; 8 MHz or 16 MHz clock speed, selectable
through SETUP or software command
Main
memory
1MB (640KB
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
conventional;
LCD screen
/
ard disk drive
\
status indicator bar
(CV!-All-0
the remaining 384KB can be used as
battery charging indicator
parallel/external diskette drive port
external monitor port
Interfaces
Notebook Computers
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
Eatuml num8rlc
9-pin, mini-DIN connector for
Speaker
Internal
Memory
Internal RAM card slot: allows expansion to 2MB or 5MB
Modem
lnternal slot for optional modem
k8yp8d
VGA
monitor
optiorul
external numeric keypad
11/30/90
NB3s-1
EPSON NB3s
Keyboard
Mass
Storage
Display
82 sculptured keys; status indicator bar icons for Num Lock, Caps
Lock, and Scroll lock
Optional, external numeric keypad
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
Large
(@Ox480
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
dots), high contrast, paper-white, backlit LCD
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
Physical Dimensions
Height
1.72 inches
Width
8.5 inches
11.8 inches (295 mm)
Weight
5.7
Ibs
(2.6 kg)
(43
(210
Environmental Requirements
Temperature
Operating: 41. to
Non-opetating: Ilo
Humidity
Operating: 20% to 80%
Non-operating: 8% to 90% (non-condensing)
Altitude
Operating: -230 to 11,800 feet
Nonoperating:
NOlO
When
frauding by
passenger
comparhmnt
stored
in an
unpressurizad storage canrparhmt.
automatx
mm)
mm)
wth
-224
lOO-240V
battery and hard disk
95O
F
(5’to
35.
to 1Z F
hxwondensing~
to 47,200 feet
airplane,
be sure to
as cany-on luggage
sensing. M/60 Hz
C)
(-m
to
60’ C)
t-60
to
3,OtXl
f-60
to
take
your
m)
12,ooO
m)
computer ink, tke
to
pmmt it
from b&g
NB3s-2
11/30/90
Notebook Computers
options
Expansion Unit
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
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)
(Wnh sxpsn*on cover)
(hard disk
Rear Width
Height
Length (normal)
(with expansion cover)
installed)
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)
13.30 inches (340 mm)
EPSON NB3s
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.
V-V
M8xlmumamant
Refer to the option card handbook for details.
Notebook Computers
+5V
~
-5V
0.3
11/30/90
+12v
0.6A
.12v
0.3A
NB3s-3
EPSON NB3s
Thorn am IKI jumpon
am caltrollod
The NB3a hu on. wl of
cenjunclbn
Expansion Unit
ttw Expamlon Unit (Unlrsa you install an extemrl video card
into the
SWitOh.8.)
lhr
-wwThan
Sdtoh Pod&t Function
DIP
DIP
1
2
with a awitch
Expansion
awitchoa
switches hm
OFT
OFF/ON
to
aot
for
the Epwn
by
tha
SETUP
progr8lll.
DIP
switch08,
in the rear option slot of the optional
when
you install an
Unit, you do not need to
In the NB3a are located in the
r
dot, above the keyboard on the computer.
the
functlonr hown kkw:
Color video card
ON
Monochromr video card
Notuaod
l
xtor~I
NB3a.
which ir
video
usa
All
uaod
cud
any of
RAM
settinga
in
into
these
l mf8un
~rinter/FDD
13
2s
Connector
0000000000000
000000000000
Pin Assignments for the Parallel Port
m:
I 1
! 2
3
14
15
I
16
17
0
19
l
Active
;
1
STROBE
! DATA0
DATA1
DATA2
DATA3
DATA4
DATA5
DATA6
DATA7
Low
Logic
SW
Ei .e
11
ACK’
BUSV
j
10
C--l-k+
114 J AUTO’
15
ERROR’
16
INIT’
17 / SELECTIN’
10 /
SIGNALGND
P&v‘
-1
I 21
122
I
sloti
I SIGNAL GND
SIGNAL GND
slow
-7
20 19 , SIGNAL SIGNAL GND GND
1
Connector
Pin Assignments
VGA Video Connector
Flit
No.
-
RED
1
GREEN
2
BLUE
3
4
NC
GND
5
GND
6
7
GND
GND
6
NC
9
GND
10
11
MONSC
12
MONSl
‘SYNC
13
Hsmc
14
NC
15
-
NB3s-4
Mnotkn
0
=i
0
0
PWR
PWR
PWR
Fwm
PWR
I
I
0
0
11/30/90
Pin Assignments for the External FDD
Notebook
Computers
I/O Port Addresses
EPSON NB3s
Hardware Interrupts
CTLRlCTLR2
IROO
IRQl
MO2
no3
ma4
IRQS
IRQS
lRO7
1
Function
TllMfOUtpUtO
I<ryboard
htuluptfromcTLR2
swhlport2
SWi~pOftl
ParaJMport2
Floppy
disk
IQraJlel
port 1
RTC
IRoe
IRQO
IRQlO Fbaorved
IRoll Reaolvad
IRQ12 waorwd
IRQ13 chpmoowr
IRCJ14
IRolS Fhefved
inlMupt
sottw8ro
Hard
dldc controllu
redlracbd to IRo2
kltorrupt
oooO1F
02OGF
o4005F
OWO6F Keyboard controller, 8042
07W7F
00O-OgF
OM-OBF
OCU-ODF
OF0
OF1
OF&OFF Cqxmr
12B121
170-178
1BF
lFolF0
2cD207
27~27A
27s
27G27F
2m2FF SUM
c?UMlF
36oa6F3704n
378-37A
378
37G37F
3803BF
3&X&U-
380-388 vGAhwtorAdaptar
3BC-38E
3BFGDF VGA Monitor Adapter
3FwR
3F84FF serlaiPort1
l
If thlr
DMA
cwltroller
Interrupt
Timer/Counter,
RTC
and Non-Maskable Interrupt
DMA Page FIegi8Wr
lntwupt Chtrollsr
DMA Chtroller
Char
Coprocewor Bury
Rwtcoprooimor
@IJtWC!conprolport
lid Disk Controller
Configuration Register Lode port 1
Hard
Malt Controlkr Primary
Game l/O
F%ralld Rinter
Configumtlon Register Lock
parallel
Port2
PromypoCard
Dl8ketm controllar sooondary
Pamhl
port 1
configurauotl RBgistrr
parallel port
SDLC, Bisynchronour 2
Blsynchronour 1
Parallel
Dlskolte
pott is
ah., BKX
1
Controller 1,82s
8251
2
Port 2
Rlntw
port 2
I
Writer Ahornate port
Controller primary
will
ghfa
Master
2
S2s
Slave
Secondary
bolt Poll 3
it priority.
port
l
Ma&
2
DMA Channels
0m
1 spur
2 Fbppydlsktransfem
3
Spam(HuddlrkdW
cuo8deofdamfromoharumlw3
4
swf@
am
(.
7s9ur,
Notebook Computers
11/30/90
NB3s-5
EPSON NB3s
Fmu SuQpry
nardmdt
OQWI skcr
Automatic lUI-240
Supplies enough
computer, recharge the
powor
an optional
Intetiangrabk, alidwut. lMM8
19 ma average
contlollu.
Two standard
ISAcompatibk.
V
wndng, 50180 Hz.
powor
full-nizo
acceaa
time; built-in
l/O evsion
to
oporato
Wry p&
keyboard.
slotr,
the
and
hard
8/l&bit
didc;
Video Controller Switch
nyouwirh~inrtallr~cudinmrN~ExpurrionUnit,
yw
mud disabh
thsvideoswltohtotheWpwltlon.
boat8d benoath
option
dot.
Inaddition,youm~~tho~onot~MPswidch
lowtad
-theRAMard,lfk’Wialbd.
immodiataly below
videoard,k8unthatDlP8wibzh1i8OFF.
installlngamonoohromovidooard,k8urothatWwttchl
b
ON.
the onboard
tha connoctaf in
In the
riot fat
ttw
video
comrolbr.
Thevidooswitchir
the wpanaian
the optional
BlO!3
dtip.
To do this,
unit’s roar
coproasaor
l?toDlPHIohb
lf
you arm inshlling a cdor
set
MdRAMard.
lfyouam
ohnodom
NE3s-6
(WxDxH)mm
297x284x43(fronl);928(rur)
Approximately
3.75
Ibs.,
1.7 kg
DIPS
block
11/30/90
Notebook Computers
Epson NB3s
[
Information Reference List
Engineering Change Notice
None
Product Support Bulletina
None.
Related Documentation
MS DOS 4.01
Y18896100200
Y18sQ100400
Yl8w9100500
YlwsQ100300
1
Referenoa Manual
ln8tall8tion
Shell
Command Summary
Guide
LJser’s
Guide
-100700
TMN63a
PL-N038
W229Q1007
N63a User’s Guide
NS3s Servio h4anual
EpaonNB3sPaesList
NS3s
Lkier’s
Manual
Notebook Computers
11/30/90
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