Epson NB3s User manual

EPSON NB3s
battery charging indicator
contrast control , LCD screen
/
brightness control
RAM card cover
ard disk drive
external keypad connector I
\
diskette drive status indicator bar
I
1 Computer Specifications 1
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
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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 it from b&g
stored in an unpressurizad storage canrparhmt.
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Notebook Computers

EPSON NB3s
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
Maximum size
Front Width 0.66 inches (17 mm)
Height
4.80 inches (122 mm)
Length (normal) 10.63 inches (270 mm,
(Wnh sxpsn*on cover)
13.30 inches (340 mm)
(hard disk installed)
6.12 inches (155 mm)
Rear Width 0.66 inches (17 mm)
Height 4.13 inches (106 mm)
Length (normal) 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.
V-V
+5V -5V
+12v
M8xlmumamant ~
0.3
0.6A
Refer to the option card handbook for details.
.12v
0.3A
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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 OFT
Color video card
ON Monochromr video card
2 OFF/ON Notuaod
l mf8un
Connector Pin Assignments
VGA Video Connector
-
Flit
No.
-
1
2
3
4
5
6
7
6
9
10
11
12
13
14
15
-
RED
GREEN
BLUE
NC
GND
GND
GND
GND
NC
GND
MONSC
MONSl
‘SYNC
Hsmc
NC
=i
Mnotkn
0
0
0
PWR
PWR
PWR
Fwm
PWR
II
0
0
~rinter/FDD Connector
13
0000000000000
2s
000000000000
Pin Assignments for the Parallel Port
m:
SW
Ei .e slow
I 1
1 STROBE ACK’
! 2
j 10
! DATA0
11 BUSV
3 DATA1
14
DATA2
C--l-k+
15 I
DATA3
114 J AUTO’ -7
16
DATA4
15 ERROR’
17
DATA5
16 INIT’
0
DATA6
19
; DATA7
l Active Low Logic
17 / SELECTIN’
10 / SIGNALGND
P&v‘
sloti
-1 2019,SIGNALSIGNALGNDGND
I 21
ISIGNAL GND
122 I
SIGNAL GND
1
Pin Assignments for the External FDD
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EPSON NB3s
Hardware Interrupts
CTLRlCTLR2 Function
IROO
TllMfOUtpUtO
IRQl
I<ryboard
MO2
htuluptfromcTLR2
no3
swhlport2
ma4 SWi~pOftl
IRQS
ParaJMport2
IRQS
Floppy disk kltorrupt
lRO7
IQraJlel port 1
IRoe
RTC inlMupt
IRQO
sottw8ro redlracbd to IRo2
IRQlO Fbaorved
IRoll Reaolvad
IRQ12 waorwd
IRQ13 chpmoowr
IRCJ14 Hard dldc controllu
1
IRolS Fhefved
DMA Channels
0m
1 spur
2 Fbppydlsktransfem
3 Spam(HuddlrkdW
4
cuo8deofdamfromoharumlw3
swf@
am
(.
7s9ur,
Notebook Computers 11/30/90
I/O Port Addresses
oooO1F DMA
cwltroller 1
02OGF Interrupt Controller 1,82s Master
o4005F
Timer/Counter, 8251
OWO6F Keyboard controller, 8042
07W7F
RTC and Non-Maskable Interrupt Ma&
00O-OgF
DMA Page FIegi8Wr
OM-OBF lntwupt Chtrollsr 2 S2s Slave
OCU-ODF DMA Chtroller 2
OF0
Char Coprocewor Bury
OF1
Rwtcoprooimor
OF&OFF Cqxmr
12B121 @IJtWC!conprolport
170-178
lid Disk Controller Secondary
1BF
Configuration Register Lode port 1
lFolF0
Hard Malt Controlkr Primary
2cD207 Game l/O
27~27A
F%ralld Rinter Port 2
27s
Configumtlon Register Lock port 2
27G27F parallel Rlntw port 2
2m2FF SUM Port2
c?UMlF PromypoCard
36oa6F-
3704n Dl8ketm controllar sooondary
378-37A
Pamhl port 1
378
configurauotl RBgistrr bolt Poll 3
37G37F parallel port I
3803BF SDLC, Bisynchronour 2
3&X&U- Blsynchronour 1
380-388 vGAhwtorAdaptar
3BC-38E Parallel Writer Ahornate port l
3BFGDF VGA Monitor Adapter
3FwR
Dlskolte Controller primary
3F84FF serlaiPort1
l If thlr pott is ah., BKX will ghfa it priority.
NB3s-5

EPSON NB3s
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.
ohnodom
(WxDxH)mm
297x284x43(fronl);928(rur)
Approximately 3.75 Ibs., 1.7 kg
Fmu SuQpry Automatic lUI-240 V wndng, 50180 Hz.
Supplies enough powor to oporato the
computer, recharge the Wry p& and
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.
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
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Epson NB3s
[ Information Reference List 1
Engineering Change Notice
None
Product Support Bulletina
None.
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11/30/90