Epson NB3s User's Manual
Contents
1. EPSON NB3s LCD screen contrast control battery charging indicator brightness control RAM card cover power save button on off switch battery slot serial port parallel external diskette drive port hard disk drive external keypad connector Computer Specifications Main Unit CPU 386SX microprocessor 8 MHz or 16 MHz clock speed selectable through SETUP or software command Ctr Alt 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 External numeric keypad 9 pin mini DIN connector for optional external numeric keypad Speaker Internal Memory Internal RAM card slot allows expansion to 2MB or 5MB Modem Internal slot for optional modem Notebook Computers 11 30 90 NB3s 1 diskette drive status indicator bar external monitor port EPSON NB3s Keyboard Mass Storage Display Power Supply Physical Dimensions 82 sculptured keys status indicat2. S Pin 1 gt iiim e we Sin Address Function 000 01F DMA Controller 1 020 03F Interrupt Controller 1 8259 Master 040 05F Timer Counter 8254 060 06F Keyboard controller 8042 070 07F RTC and Non Maskable Interrupt Mask 080 09F DMA Page Register QAO OBF interrupt Controlier 2 8259 Slave OCO ODF DMA Controller 2 OFO Clear Coprocessor Busy OF1 Reset Coprocessor OF8 OFF Coprocessor 120 121 System Control Port 170 178 Hard Disk Controller Secondary 1BF Configuration Register Lock Port 1 1F0 1F8 Hard Disk Controller Primary 200 207 Game I O 278 27A Parallel Printer Port 2 Aing Indicator Data Terminal Ready 278 Configuration Register Lock Port 2 Timer Output 0 27C 27F parallel Printer port 2 Keyboard 2F8 2FF Serial Port2 interrupt from CTLR2 300 31F Prototype Card Serial port 2 360 36F Reserved Serial port 1 370 377 Diskette Controller Secondary Paraliel port 2 378 37A Parallel port 1 Floppy disk interrupt 37B Configuration Register bolt Poll 3 ONA Bior 37C 37F parallel port 1 380 38F SDLC Bisynchronous 2 IRQ9 Software redirected to IRQ2 3AD 3AF Bisynchronous 1 IRQ10 Reserved 3680 388 VGA Monitor Adapter IRQ11 Reserved 3BC 3BE Parallel Printer Alternate Port IRQ12 3BF 3DF VGA Monitor Adapter ey H F disk ad 3FO0 3F7 Diskette Controller primary OY Tardo 3F83FF Serial Port 1 RO15 Reserved e If this port is alive BIOS will give it priority DMA Channels Spare Floppy disk
3. artment as carry on luggage O prevent it frombeing stored in an unpressurized storage compartment 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 8 16 bit ISA compatible Switch to disable internal VGA controller Option slot Dimension Maximum size Front Width Height Length normal with expansion cover hard disk installed 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 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 curren
4. or bar icons for Num Lock Caps Lock and Scroll lock Optional external numeric keypad Hard disk 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 2 inch diskette drive Optional external 5 V4 inch 1 2MB diskette drive Large 640x480 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 Interchangeable rechargeable internal NiCad battery pack lasts approximately 2 hours 10 volt AC adapter can recharge battery pack while operating computer with automatic 100 240V sensing 50 60 Hz Height 1 72 inches 43 mm Width 8 5 inches 210 mm Depth 11 8 inches 295 mm Weight 5 7 Ibs 2 6 kg with battery and hard disk Environmental Requirements NB3s 2 Note Temperature Operating 41 to 95 F 5 to 35 C Non operating 41 to 122 F 20 to 60 C Humidity Operating 20 to 80 non condensing Non operating 8 to 90 non condensing Altitude Operating 230 to 11 800 feet 60 to 3 000 m Nonoperating 230 to 47 200 feet 60 to 12 000 m When traveling by airplane be sure to take your computer into the passenger comp
5. roximately 3 75 Ibs 1 7 kg Oy mens NE3s 6 11 30 90 Notebook Computers Epson NB3s Information Reference List Engineering Change Notice None Product Support Bulletina None Related Documentation MS DOS 4 01 Y 18699100200 Reference Manual Y 18699 100400 Installation Guide Y 18699100500 Shell User s Guide Y 18699100300 Command Summary Y72299 100700 NB3s User s Guide TM NB3s NB3s Service Manual PL NB3s Epson NB3s Parts List Y722991007 NB3s User s Manual Notebook Computers 11 30 90 NB3s 7
6. t consumption of the two option card slots must not exceed the maximum current for each voltage shown below Refer to the option card handbook for details Notebook Computers 11 30 90 EPSON NB3s NB3s 3 EPSON NB3s Switch Settings There are no jumpers to set for the Epson NB3s All settings are controlled by the SETUP program The NB3s has one set of DIP switches which is used in conjunction with a switch in the rear option slot of the optional Expansion Unit when you install an xternal video card into the Expansion Unit Uniess you install an external video card into the Expansion Unit you do not need to use any of these switches The DIP switches In the NB3s are located in the RAM card ooprocessor dot above the keyboard on the computer These DIP switches have the functions shown below n 7 Oxon Connector Pin Assignments VGA Video Connector SE A 9 amik o e 3 ie NB3s 4 11 30 90 Printer FODConnector 13 000000000000 0 l 2s 000000000000 14 Pin Assignments for the Parallel Port 9 DATA7 e Active Low Logic 21 SIGNAL GNO SCARED 121 SIGNAL GND 22 l SIGNAL GND l 23 SIGNAL GNO SIGNAL GND 25 SIGNAL GNO Pin Assignments for the External FDD Nate Signa direction is as wewed from outside of the connector Notebook Computers EPSON NB3s Serial Port Connector I O Port Addresses Pin
7. transfers Spare Hard disk drive Cascade of data from channel 0 3 0 1 2 3 4 5 6 7 Notebook Computers 11 30 90 NB3s 5 EPSON NB3s NB3s Expansion Unit Optional B AC power niat Option card cover System une release Power Supply Automatic 100 240 V sensing 50 60 Hz Supplies enough power to operate the computer recharge the battery pack and SOP power an optional full size keyboard Hard Disk Interchangeable slide out 120MB hard disk 19 ms average access time built in Video Controller Switch controller f you wish to install a video card in the NB3s Expansion Unit Option Siots Two standard I O expansion slots 8 16 bit you mud disabh the onboard video controller To do this set ISA compatibie the video switch to the EXT position The video switch is located beneath the connector in the expansion unit s roar option stot CRC Length normai 10 63 270 mm w cover ee co oe oe oe Length normal 10 63 270 mm in addition you must check the position of the DIP switch located In the slot for the optional coprocessor and RAM card Remove the RAM card if installed The DIP switch is immediately below the BIOS chip If you arm installing a color video card be sure that DIP switch 1 is OFF If you are installing a monochrome video card be sure that DIP switch 1 is ON a ee eroa Dimensions Wx D x H mm 297 x 284 x 43 front 92 8 rear Weight App
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