Epson Equity LT-286e Product Information Guide
Contents
1. an external 5 25 diskette drive Slide switch to the left if you plan to connect an external diskette drive slide to the right if you do not plan to use such a drive 1234646 6 7 10 Factory Settings DIP Switches SW 1 SW 2 Continued Switches Jumper 2N Not Used Must be ON bs Selects enhanced color di OFF Selects monoctitonse oF ani Enables internal serial port ON Reserved Must be ON Disables internal serial port Reserved Must be ON Internal printer port LPT1 Reserved Must be ON tg Selects expanded LCD mode Internal printer port LPT2 DFF Selects standard LCD mode Enables internal printer port m emie as Disables internal printar port ABLE Configur below Not used Must be ON Factory Settings Factory Settings CRT LCD Configuration OFF ON OFF OFF Selects MDA CRT only ON OFF OFF ON selects CGA 40X25 ON OFF OFF OFF selects CGA 80x25 OFF ON ON ON Selects EGA normal mode OFF ON ON OFF Selects EGA enhanced mode Factory Settings LT286e 2 8 1 89 Equity Series Computers EQUITY LT 286e Connector Pin Assignments Video Port Connector Parallel Port Connector law ie 3h oooocooo0oo0o000000 ji S g 25 e000 00000 000 14 Soj 4 o 5 o P N NO SIGNAL ME DIRECTION DESCRIPTION 1 STROBE 0 Raley oo Be ek PIN Monochrome RGB Enhanced RGB rinter Data Bi Era oo area Cia lywwentn 4 DATA2 0 Printer Data Bit 2 Ground Gro2. EQUITY LT 286e Power Supply Externally attached rechargeable NiCad battery pack 4000 milllampere hours up to 4 hours 12 5 volt AC adapter can recharge battery peck while operating computer with automatic 1 00 240V sensing Power Requirements 100 240 VAC 50 60 Hz NiCad rechargeable battery pack 9 6 volts 4 ampere hours Environmental Conditions Temperature Operating Range 41 to 95 degrees F 5 to 35 degrees C Storage Range 4 to 122 degrees F Sas 20 to 60 d C Computer Specifications ie Operas A non condensing Storage Range 8 to 80 CPU 80C286 microprocessor 8 12 MHz i 3 switch selectable dock speeds Physical noncondensing Math SeT Dimension Width 12 9 Inches 318mm Coprocessor 800287 support optional 8MHz Depth 11 7 Inches ben HN RAM 1MB 640KB standard and 384KB with handle retracted Intertaces extended Height 3 46 Inches 88 mm ces Weight 16 4 Ibs 7 4 kg Parallel Standard 8 bit parallel 25 pin D type with battery and hard disk drive female connector Options y Serial RS 232C programmable asynchronous A i 9 pin D type male connector Modem ae baud Hayescompatible Video 9 pin female connector supports MDA CGA EGA and extended EGA all iA 1 MB RAM expansion cord External p 2 i diskette drive 15 pin D type female connector cards ae 2 3 size IBM PC AT compatible arene Keyboard connector Carrying Speaker Internal case Soft case for carrying computer
3. Index External Drive Select External Motor On External Direction External Stop External Write Data External Write Gate External Track 0 External Write Protect External Read Data External Side Select External Disk Change Ground External High Density Ground 8 1 89 Equity Series Computers Installation Support Tips Power The Equity LT 286e AC adapter is an auto sensing unit which adjust8 automatically between 100 240 V 50 60 l k Therefore it can be used anywhere in the world without special adjustment Video Mass When using the Equity LT 286e on battery power conservation measures are available and should be used These are 1 set the backlight period option to the shortest available setting with SETLCD 2 set the brightness and contrast control8 as low as is comfortable 3 run at 8 MHz and 4 use the HDDPSAVE feature to automatically turn the HDD off at times when it is not being accessed constantly Periodically discharge the battery completely This will help to minimize the memory effect encountered with NiCad batteries After the complete discharge give the LT 286e a full 8 hour recharge This will help to keep battery charge life as great as possible When using the Equity LT 288e with a monochrome monitor if your software requires that you specify a display type select EGA 640 X 350 MONO Storage Be careful when handling the removable hard drives Unnecessary roughness can s
4. Option slot One 2 3 size IBM PC AT compatible slot Memory Internal RAM memory card slot allows expansion to 2MB 40 pin male connector Modem Internal modem slot 34 pin male Switch Settings connector Clock Calendar Real time clock and calendar with battery backup Keyboard 84 sculpted keys LCD indicator icons for Num Lock Caps Lock Scroll Lock Mass Storage Hard Disk Interchangeable pop out 20MB or 40MB hard disk designed for low power consumption 28ms average access time built in 16 bit bus AT compatibie controller Diskette drives One Internal 1 44MB 3 5 diskette drive optional external 5 25 1 2MB diskette drive Display Large 640X480 dots high contrast paper white backlit LCD display with Slide Switches 16level gray scale continuous brightness and contrast controls The clock slide switch selects between 8MHz and 12MHz power saving feature CRT mode supports ECD enhanced color Slide switch to the left to select 8MHz slide to the display monochrome display color right to select 12Mhz display and multisync compatible CRT s External RGB monitor supported EGA compatible The CRT LCD slide switch selects support for either an external CRT or the LCD Slide switch to the right for the LCD slide to the left to connect an external CRT Equity Series Computers 8 1 89 LT286e 1 EQUITY LT 286e The FDD EXT INT slide switch enables and disables SW 2 support for
5. et off the shock indicator Software Problems Equity Series Computers When installing a copy protected software package on the Equity LT 286e sat the the CPU speed to 8 MHz This has been found to have fewer conflicts 8 1 89 EQUITY LT 2868 with copy protection After the installation the CPU can be switched back to the higher speed If a software package does not appear to be compatible with the Equity LT 286e try switching the CPU speed to 8 MHz before giving up LT286e 5 EQUITY LT 286e Information Reference List Engineering Change Notices None Technical Information Bulletins None Product Support Bulletins None Related Documentation 19499100100 Equity LT 286e User s Guide Y 18699100200 Equity LT 286e MS DOS 4 01 Reference Manual Y 18699100400 Equity LT 286e MSDOS 4 01 Installation Guide Y 18699100500 Equity LT 286e MS DOS 4 01 Shell User s Guide Y 18699100300 Equity LT 286e MS DOS 4 01 Command Summary M TM LT286e Equity LT 286e Service Manual M PL LT286E Equity LT 286e Parts List Y19499100200 Diagnostics Manual Y 194989100200 Equity LT 286e User s Guide LT286e 6 9 22 89 Equity Series Computers
6. und Ground 5 DATA3 0 Printer Data Bit 3 2 Ground Ground S Red 6 DATA4 0 Printer Data Bit 4 3 Red Red Red 7 DATA5 0 Printer Data Bit 5 4 Green Green Green 6 DATAS 0 Printer Data Bit 6 5 Blue Blue Blue 3 DATA 0 Pnnter Data Bit 7 6 Intensity Intensity S Green 10 ACK Acknowledge 7 vid No C S BI 11 BUSY Printer Busy 1aeo o Gon ue 12 PE t End of Paper 8 H sync H Sync H Sync 13 SLCT t Printer Select Q V Sync v sync V Sync 14 AUTOFT Auto Feed 15 ERROR Printer Error 16 INIT Printer Initialize 17 SLCTIN Printer Select in 16 GND Ground 19 GND Ground 20 GND Ground 21 GND Ground Keyboard Interface Connector 22 GND Ground 23 GND Ground 24 GND Ground 2 25 GND Ground 0 0 0 0 Serial Port Connector NO i e E E DESCRIPTION 000 oo KBD CLK Keyboard Clock oo0 0 KBD DATA Keyboard Data KBO RST Keyboard Reset 6 789 GND Ground 5V Power 5v PIN NO SIGNAL NAME DIRECTION DESCRIPTION CRDET Dam Carrier Detect 2 RXDT t Receive Data 3 TXDT Transmit Data 4 DTR 0 Data Terminal Ready 5 SG Signal Ground 6 DSR l Data Set Ready 7 RTS 0 Request to Send 8 CTS Clear to Send 9 RI 1 Rina Indicator lt x ll Equity Series Computers 8 1 89 LT286e 3 EQUITY LT 286e External Floppy Drive Connector oo0o0o00000 0 oo0oo0oo0o0o00 CoN On AR UO N LT286e 4 15 EXINDEX EXDSEL EXMOTON EXDIR EXSTEP EXWRDATA EXWRGATE EXTRKO EXWPROT EXRDDATA EXHS1 EXDSKCHG GND EXHIGH GND Definition External
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