Epson Equity III+ Product Information Guide
Contents
1. c J O Equity Series Computers Memory Board Function Jumper RAM 640KB RAM 512KB RAM 256KB RAM OKB EPROM 21728 type EPROM 27256 type Select ROM sockets 24A and 24B Select ROM sockets 23A and 23B Factory Settings lt A B B EPSON Jo 5 Multifunction Board Function EQUITY 10 MHz Port Addresses Address 900 01F D20 040 5 060 O6F 070 07F 080 O9F Function DMA Controller 1 Interrupt Controller 1 Timer Counter Keyboard controller and Port B CMOS RAM and Non Maskable Interrupt Mask DMA Page Register OAO OBF Interrupt Controller 2 ODF DMA Controller 2 OEO OFF Numeric Coprocessor 1F0 1F7 278 27F 2F8 2FF 378 37F Hard Disk Controller Primary Parallel Port 1 Serial Port 1 Parallel Port 0 3BC 3BF Parallel Port 2 on some video boards 3F0 3F7 Floppy Disk Controller 3F8 3FF Serial Port 0 Primary register set AT FDC Secondary register set AT FDC PC register set FDC Disable FDC register set Primary parallel I F IRQ7 Secondary parallel I F IRQ5 Video adapter parallel I F IRQ7 Disable parallel I F Primary serial I F IRQ4 Secondary serial I F IRQ3 Disable serial I F AT compatible FDD I F Equity 1 FDD I F2. camem sees OER Computer Specifications MATH CO PROCESSOR FLOPPY DISK CONTROLLER HARD DISK CONTROLLER 1 0 EXPANSION SLOTS SPEAKER CLOCK CALENDAR RAM KEYBOARD KEYLOCISWITCH POWER SUPPLY MASS STORAGE Standard Optional Optional Optional INTERFACES Standard Standard ENVIRONMENTAL REQUIREMENTS Temperature Operating range Storage range Humidity Operating range Storage range PHYSICAL CHARACTERISTICS CPU 80286 microprocessor 6MHZ BMHz 12 MHz selectable clock speeds real address 8086 com patible and protected virtual address multi tasking or multi user modes 24 bit address amp 16 bit data bus 80287 8 support option Co processor clock speed select able up to 8MHz 640KB RAM on main system board 15 5MB RAM max with memory expansion cards 64KB Selectable EPROM pairs Supports two drives maximum with multiple formats 5 double density 360KB 5 high density 1 2MB and 3 720KB con troller installs in 1 0 expansion slot Supportstwo drives maximum with multiple formats installs in VO expansion slot Nine total seven with 16 bit bus and two with 8 bit bus seven available in base configuration Internal with volume control 64 Bytes of CMOS RAM for real time clock calendar and system configuration with battery backup Detachable 3 position 101 sculpted keys 58 key QWERTY configura tion 12 function keys enhanced AT style Secur
3. 720 con troller installs in 1 0 expansion slot Supports two drives maximum with multiple tormats installs in 1 0 expansion slot Nine total seven with 16 bit bus and two with 8 bit bus seven available in base configuration Internal with volume control 64 Bytes of CMOS RAM tor real time clock calendar and system configuration with battery backup Detachable 3 position 101 sculpted keys 58 key QWERTY configura tion 12 function keys enhanced AT style Security keylock for cover and keyboard Switching type fan cooled world wide 115 230VAC 192W 5Vde 12Vdc 5Vde 12Vdc Five half height devices maximum 5 25 half height floppy drive 1 2MB storage capacity 5 25 halt height floppy drive 1 2MB storage capacity 5 25 half height floppy drive 360KB storage capacity 5 25 full height hard disk drive 40MB storage capacity Centronics compatible port RS 232C serial Interface port 41 to 104 5 to 40 C 22 to 158 5 70 C 10 to 80 non condensing 10 to 90 non condensing Equity Series Computers 12 12 88 EQUITY 11 10 MHz PHYSICAL CHARACTERISTICS C Keyboard Width 19 6 in 19 3 in Depth 174 1 7 7 in Height 661 1 81n Weight 31 9 Ibs 3 9 Ibs POWER REQUIREMENTS TISVAC 15 20 60Hz 4A 230VAC 15 60Hz 2 5A OPTIONS Display Adapters Monochrome Display Adapter Color Graphics Adapter Multi Mode Graphics Adapter Enhanced Graphics Adapter M
4. Spare Hard disk drive Cascade of data from channel 0 3 Spare Spare Spare Hardware Interrupts CTLR1 CTLR2 FUNCTION IRQO Timer Output 0 IRQ1 Keyboard IRQ2 Reserved IRQ3 Serial port 2 IRQ4 Serial port 1 IRQ5 Parallel port 2 IRQ6 Floppy disk interrupt IRQ7 Parallel port 1 IRQ8 RTC interrupt IRQ9 Reserved IRQ10 Reserved IRQ11 Reserved IRQ12 Reserved IRQ13 Coprocessor IRQ14 Hard disk controller IRQ15 Reserved 4 12 12 88 Equity Series Computers Computer Specifications CPU MATH CO PROCESSOR RAM FLOPPY OISK CONTROLLER HARD DISK CONTROLLER 1 0 EXPANSION SLOTS SPEAKER CLOCK CALENDAR RAM KEYBOARD KEYLOCKSWITCH POWER SUPPLY MASS STORAGE Standard Optional Optional Optional INTERFACES Standard Standard ENVIRONMENTAL REQUIREMENTS Temperature Operating range Storage range Humidity Operating range Storage range 80286 microprocessor 6MHz 8MHz 10MHz selectable clock speeds real address 8086 com patible and protected virtual address multi tasking or mulli user modes 24 bit address amp 16 bit data bus 80287 E support option Co processor clock speed select able up to 8MH2 640KB RAM on main system board 15 5 RAM max with memory expansion cards 64KB Selectable EPROM pairs Supports two drives maximum with multiple formats 5 4 double density 360KB 514 high density 12MB and 3
5. Standard setting Test mode of VCO Factory Settings Equity Series Computers 12 12 88 Keylock The keylock on the front panel allows you to disable the keyboard and RESET button and lock the top cover of the main unit for security The keyboard may be locked while the system is in operation This disables the keyboard so no one can interfere with the current operation To lock the system insert the key with the notch pointing left and turn it clockwise You must press it in slightly when you turn the key To unlock it insert the key with the notch pointing up and turn the key counterclockwise You can remove the key in either position EQIII 7 EQUITY Ill 10 MHz DMA Channels Channel Function Spare Spare Floppy disk transfers Spare Hard disk drive Cascade of data from channel O 3 Spare Spare Spare o Hardware Interrupts STLA1 CTLR2 FUNCTION IRQO Timer Output 0 IRQ1 Keyboard IRQ2 Reserved IRQ3 Serial port 2 IRQ4 Serial port 1 IRQS Parallel port 2 IRQ6 Floppy disk interrupt IRQ7 Parallel port 1 IRQ8 RTC interrupt IRQ9 Reserved IRQ10 Reserved IRQ11 Reserved IRQ12 IRQ13 IRQ14 disk controller IRQ15 Reserved 8 12 12 88 Equity Series Computers Installation Support Tips Power The Equity 11 has a power supply that is switchable between 115 V for USA and Canadian use and 230 V for
6. in the lower left hand corner Monitor Select Switch Setting Monitor MONO Monochrome monitor COLOR Color composite EGA and VGA monitors The CPU SPEED switch selects between 6 MHz 8 MHz and 12 MHz When the computer is running at 6 MHz the power light is red at 8 MHz the light is orange and at 12 MHz the light is green EQIII 1 EQUITY 12 MHz Connector Pin Assignments Parallel Port Connector 13 25 0000000000000 000000000000 PIN NO SIGNAL NAME DIRECTION DESCRIPTION 1 STROBE 0 2 DATAO 0 Printer Data Bit 0 3 DATA1 0 Printer Data Bit 1 4 DATA2 0 Printer Data Bit 2 5 DATA3 0 Printer Data Bit 3 6 DATA4 0 Printer Data Bit 4 7 DATAS 0 Printer Data Bit 5 B DATA6 0 Printer Data Bit 6 9 DATA7 0 Printer Data Bit 7 10 Acknowledge 11 BUSY Printer Busy 12 PE End of Paper 13 SLCT Printer Select 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 22 GND Ground 23 GND Ground 24 GND Ground 25 GND Ground Serial Port Connector 123 4 5 6 7 8 9 PIN NO SIGNAL NAME DIRECTION DESCRIPTION 1 CRDET I Data Carrier Detect 2 RXDT Receive Data 3 TXDT Transmit Data 4 DTR Data Terminal Ready 5 SG Signal Ground 6 DSR Data Set Ready 7 RTS Request to Send 8 CTS Clear to Send 9 RI Ring Indicator Keyboar
7. A and 24B 1F0 1F7 Disk Controller Primary Select ROM sockets 278 27F Parallel Port 1 23A and 23B 2F8 2FF Serial Port 1 378 37F Parallel Port 0 3BC 3BF Parallel Port 2 on some video boards 3Fo 3F7 Floppy Disk Controller 8 Serial Port 0 Multifunction Board Keylock lumper The keylock on the front panel allows you to disable the keyboard and RESET button and lock the top cover of the main unit for security The keyboard may be locked while the system is in operation This disables the keyboard so no one can interfere with the current operation Function Primary register set AT FDC Secondary register set AT FDC e Factory Settings Equity Series Computers PC register set FDC Disable FDC register set Primary parallel I F IRQ7 Secondary parallel I F IRQS Video adapter parallel I F IRQ7 Disable parallel I F Primary serial I F IRQ4 Secondary serial I F IRQ3 Disable serial I F AT compatible FDD I F Equity IIl FDD I F Standard setting Test mode of VCO 12 12 88 To lock the system insert the key with the notch pointing left and turn it clockwise You must press it in slightly when you turn the key To unlock it insert the key with the notch pointing up and turn the key counterclockwise You can remove the key in either position EQIII 3 EQUITY Ill 12 MHz DMA Channels Channel Function Spare Spare floppy disk transfers
8. d Connector Pin Number Signal Name Clock o 30 Data Os 2 50 Not Connected Ground 5 VDC Ground EQIII 2 12 12 88 Jumper Settings CN6 1 EPSON Main Circuit Board Jumper Function Prohibited Set CPU clock 6 8 12 MHz Prohibited Use CPU clock for NPX clock Use 8 MHz clock for NPX clock Prohibited 2 wait cycles for EPROM note 1 1 wait cycle for EPROM note 1 4 wait cycles note 2 3 wait cycles note 2 2 wait cycles note 2 1 wait cycle note 2 Factory Settings Notes 1 Selectable wait states only available at 12 MHz 2 Wait cycles for external 16 bit devices These selectable wait cycles are available at 12 MHz only a BAG RAUA 07 EPSON c all ae Equity Series Computers EQUITY 1 12 MHz Memory Board Port Addresses Function Address Function 000 01F DMA Controller 1 020 03F Interrupt Controller 1 RAM 640KB 040 O5F RAM 512KB 060 O6F Keyboard controller and Port B RAM 256KB 070 07 RAM and Non Maskable Interrupt Mask RAM OKB 080 09F Page Register EPROM 21728 type OAO OBF Interrupt Controller 2 EPROM 27256 type Select ROM sockets 0DF DMA Controller 2 OEO OFF Numeric Coprocessor 24
9. f Paper 13 SLCT Printer Select 14 AUTOFT Auto Feed 15 ERROR L Printer Error 16 INIT i Printer Initialize 17 SLCTIN Printer Select In 16 GND Ground 19 GND Ground 20 GND Ground 21 GND Ground 22 GND Ground 23 GND Ground 24 GND Ground 25 GND Ground Serial Port Connector 12 3 4 5 6 7 8 9 PIN NO SIGNAL NAME DIRECTION DESCRIPTION 1 CRDET Data Carrier Detect 2 RXDT Receive Data 3 TXDT 0 Transmit Data 4 DTR 0 Data Terminal Ready 5 SG Signal Ground 6 DSR Data Set Ready 7 RTS Request to Send a CTS Clear to Send 9 RI Ring Indicator Keyboard Connector CJ Pin Number O1 30 5 50 6 Signal Name Clock Data Not Connected Ground 5 VDC Ground 12 12 88 Jumper Settings CN6 p 4 EPSON Main Circuit Board Jumper Function Set CPU clock 6 8 10 MHz Prohibited Prohibited Use CPU clock for NPX clock Use 8 MHz clock for NPX clock Prohibited 2 wait cycles for EPROM note 1 1 wait cycle for EPROM note 1 4 wait cycles note 2 3 wait cycles note 2 2 wait cycles note 2 1 wait cycle note 2 Factory Settings Notes 1 Selectable wait states only available at 10 MHz 2 Wait cycles for external 16 bit devices These selectable wait cycles are available at 10 MHz only LT 000 LJ
10. ity keylock for cover and keyboard Switching type fan cooled world wide 115 230VAC 192W 5Vdc 12Vdc 5Vdc 12Vdc Five half height devices maximum 5 25 half height drive 1 2MB storage capacity 5 25 half height floppy drive 1 2MB storage capacity 5 25 hall height floppy drive 360KB storage capacity 5 25 lull height hard disk drive 40MB storage capacity Centronics compatible port RS 232C serial Interface port 41 to104 F 5 to 40 C 22 10158 5 to 70 C 10 to 80 non condensing 10 to 90 non condensing Keyboard Width 19 6 m 19 31 Depth 1741 7 7m Height 6 6 in 1 81n Weight 31 9 Ibs 39 lbs Equity Series Computers 12 12 88 EQUITY Ill 12 MHz POWER REQUIREMENTS HRVAC 15 20 60Hz 4A 230VAC 15 60Hz 2 5 OPTIONS Display Adapters Monochrome Display Adapter Color Graphics Adapter Multi Mode Graphics Adapter Enhanced Graphics Adapter Monitors Monochrome Display 720 x 350 dots Color Display 640 x 200 dots Enhanced Color Display 640 x 350 or 640 x 200 dots automatically selectable Mass Storage 360KB 5 Floppy Drive 12MB 5 Floppy Drive 40MB Hard Disk Drive 8502 VOLUME control knob CPU SPEED switch Switch Settings There are no DIP switches on the Equity Ill However there is a MONITOR SELECT switch a CPU SPEED switch and a VOLUME CONTROL on the front of the unit
11. mory expansion option in SETUP That option is for EXTENDED memory ONLY If you are installing an EGA or VGA card select SPECIAL OPTIONS as display type in SETUP This holds true even when you are using a color or monochrome monitor with these cards When installing a hard disk drive be sure to consult the drive type table on page EQIII 7 for the drive type which fits the drive you are installing Third Party Option Boards If you find that some third party option boards do not function properly in the Equity 111 at the higher speed try setting the CPU speed back to 6 MHz or 8 MHz When installing a memory expansion option board make sure that it is a board capable of supporting the higher bus speed 10 MHz or 12 MHz of the Equity 11 Some boards are rated for no higher than 8 MHz Software Problems When installing a copy protected software package on the Equity 11 set the the CPU speed to 8 MHz This has been found to have fewer conflicts 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 111 try switching the CPU speed to 6 MHz and or 8 MHz before giving up Some software packages e g Microsoft Chart 1 01 and Think Tank 1 001 have been found to function only at 6 MHz and 8 MHz EQIII 9 EQUITY 12 10 MHz Hard Disk Drive Types ROM BIOS Version 1 02 D
12. onitors Monochrome Display 720 x 350 dots Color Display 640 x 200 dots Enhanced Color Display 640 x 350 or 640 x 200 dots automatically selectable Mass Storage 360KB 5 Floppy Drive 1 2MB 5 Floppy Drive 40MB Hard Disk Drive SBD ouoOcorrcdgogno ionuogocouuoccoccooococtu uo E zi VOLUME control knob CPU SPEED switch Switch Settings There are no DIP switches on the Equity 111 However there is a MONITOR SELECT switch a CPU SPEED switch and a VOLUME CONTROL on the front of the unit in the lower left hand corner Monitor Select Switch Setting Monitor MONO Monochrome monitor COLOR Color composite EGA and VGA monitors The CPU SPEED switch selects between 6 MHz 8 MHz and 10 MHz When the computer is running at 6 MHz the power light is red at 8 MHz the light is orange and at 10 MHz the light is green 5 EQUITY 1 10 MHz Connector Pin Assignments Parallel Port Connector 13 0000000000000 25 eo0o0 00000000 0 14 PIN NO SIGNAL NAME DIRECTION DESCRIPTION 1 STROBE 0 2 DATAG 0 Printer Data Bit 0 3 DATA1 0 Printer Data Bii 1 4 DATA2 0 Printer Data Bit 2 5 DATA3 0 Printer Data Bii 3 6 DATA4 0 Printer Data Btt 4 7 DATA5 0 Printer Data Bit 5 6 DATA6 0 Printer Data Bit 6 9 DATA7 0 Printer Data Bit 7 10 ACK Acknowledge 11 BUSY Printer Busy 12 PE End o
13. quity Ill t Technical Manual M PM EQIll Equity Ill t Programmer s Reference Manual M PL EQ3 10 12 5 24 88 Equity Ill t 10 and 12 MHz Parts List Y12699112300 Equity Ill t 12 MHz User s Guide Y12699100100 Equity t 10 MHz User s Guide Y12699100200 Equity Ill t Diagnostics Manual Equity Series Computers 9 22 89 0111 13
14. rive Cylin secon Capacity type ders pensation cylinder MB 1 4 305 18 2 4 615 20 3 6 615 30 1 8 940 62 5 6 940 46 6 4 615 20 7 8 511 30 8 5 733 30 9 15 901 112 10 3 820 20 1 5 855 35 12 7 855 49 13 8 319 20 14 7 733 42 15 mE cm 16 4 663 20 17 5 977 4f 18 7 977 56 19 7 1023 60 20 5 732 30 21 7 732 42 22 5 733 30 23 4 336 18 24 47 Hu my ee ee ROM BIOS version i SE RR Landing Capacity and Higher type pensation cylinder MB 1 4 305 10 2 4 615 20 3 6 615 30 4 8 940 62 5 6 940 46 6 4 615 20 7 8 511 30 8 5 733 30 9 5 901 112 10 3 820 20 1 5 855 35 12 7 855 50 13 8 319 20 14 7 733 42 5 0 0 0 16 4 663 20 17 5 977 4f 8 7 977 58 19 7 1023 60 20 5 732 3 21 7 732 42 22 5 733 30 23 4 336 10 24 4 663 20 25 4 340 10 26 4 670 20 27 7 732 40 28 5 977 41 29 4 340 10 3 4 663 20 34 7 732 43 32 5 1023 43 33 g 0 0 43 8 1023 69 44 10 29 141 45 5 1023 43 46 8 618 40 47 0 g 0 EQIII 10 12 12 88 Equity Series Computers EQUITY Ill 12 10 MHz Product Support Bulletins 8 0004A S 0006 S 0008 5 0009 5 0010 5 0011 5 0013 5 0016 5 0018 00198 0021 S 0026 0031 s 0042 S 0047A 0054B 0061 EQIII 12 2 5 87 3 13 87 4 3 87 4 7 87 4 7 87 6 8 87 7 29 87 8 25 87 9 16 87 12 2 87 10 22 87 11 19 87 11 19 87 12 10 87 12 14 87 1 12 88 3 3 88 4 5 88 6 12 89 5 16 88 5 4 89 10 12 88 6 9 89 MRS MO Board Update for the Equi
15. ty lll Equity 1 HDD Initialization Procedure Equity 1 Enhanced CPU Speed Selection Equity 1 Configuration with 3rd Party Options Equity Ili Worldwide Power Selection MS DOS 3 2 Select Command Manual Error Equity 1 ROM BIOS Upgrade for Novell ARNET IDEA 3COM SRCNET Certification SCO Fox Research Manzana Certifications Equity Apex Coprocessor Selection Guide Equity 11 12 MHz Introduction Equity 11 12 MHz Archive Utility Equity Series Compatibility Certification Equity 11 10 MHz 12 MHz Differences Equity Series with Word and Serial Printers Equity 1 t Ili t 40MB CDC HDD Information Equity Series Power Available and Consumption Equity Ill t Common Questions and Answers Using Expanded Memory with Equity and Apex Equity Series With PLUS HARDCARD 20 Using Math Coprocessors with Equity and Apex Equity t Series Novell Netware Certifications Equity Series Computers ROM History 9 22 89 Equity Series Computers EQUITY 111 12 10 MHz 3 16 89 Using 57251 and 574095 HDDs in the Equity Il 11 t 3 17 89 Micron Technology Expanded Extended RAM Boards 4 19 89 Apex Apex Plus Equity Series Keyboards 7 12 89 Equity Apex with the Sysgen OmniBridge amp nd Bridge Feiler Drives 8 11 89 Using High Capacity ESDI and SCSI HODs with the Equity Series Related Documentation Q290A AA Equity Ill t Software Package MS DOS 3 2 and GW Basic A805011 Equity Software Package MS DOS 3 3 Upgrade M TM EQIII E
16. use in other countries The voltage switch is located at the rear of the CPU between the AC inlet and the AC outlet see figure below Voltage Option card switch access slots AC power AC power Printer RS 232C inlet outlet parallel serial port port WARNING The voltage is not changed between the AC inlet and the AC outlet If the CPU is switched for 230 V in order to function in Europe only peripherals certified for use at 230 V should be plugged into the outlet Installing Floppy Disk Drives When instaling a floppy disk drive as drive B remember to set the drive select jumper to the Second position and attach the pass through connector on the floppy drive controller cable to the drive not the end connector If the drive does not function normally make sure that the drive type has been correctly selected in SETUP Also check that any special drivers that may be necessary have been installed correctly Installing Hard Disk Drives It is recommended that a 16 bit AT type hard disk controller be used in the Equity If you must for some reason use an 8 bit XT type controller select drive type NONE in SETUP If you are having difficulty in formatting the hard disk drive try starting over with the Unconditional Format option in diagnostics Equity Series Computers 12 12 88 EQUITY Ill 12 10 MHz Setup When installing an optional expanded memory board do not list the memory under the me
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