Epson Equity 386/20 driver and firmware
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Product Information Guide - Page 5
... special drivers that may be necessary have been installed correctly.
Installing Hard Disk Drives
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It is recommended that a 16-bit AT -type hard disk controller be used in the Equity 386/20. lf you must for some reason use an 8-bit, XT -type controller, select drive type NONE in SETUP.
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When installing an optional expanded memory board or increasing memory on the internal memory board...
Product Information Guide - Page 6
EQUITY 386/20
Software Problems
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When installing a copy- protected software package on the Equity 386/20, first try the installation at 20 MHz. If this does not work properly, try switching to 8 MHz for the installation. lf you are still unable to load the program at 20 MHz, try loading at 8 MHz and then switching to 20 MHz.
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When using a software package that uses a keydisk as its copy...
Product Information Guide - Page 8
...
386/20-001
6/12/89
CHET/CHET-RM Board Connector
Product Support Bulletins
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Using Expanded Memory with the Equity and Apex Equity Series Computers - ROM History Apex/Apex Plus/Equity Series Keyboards Equity 366/20 Coprooessor Installation Using the EEMM366.EXE Device Driver Common Questions...
Product Support Bulletin(s) - Page 4
... which may occur when using more than 2MB of memory in the Equity 386/20 computer.
When expanding memory above 2MB for memory intensive applications (Networking software, AUTOCAD, LOTUS 1-2-3), insure that ROM BIOS version 1.11 or higher and the corresponding CHIPS set are being used, and a Revision 02 CHET-RM board is installed.
If the Equity 386/20 is to be used in the applications mentioned...
Product Support Bulletin(s) - Page 6
... Equity 386/20. Note that the problem only appears when booting the 386/20 from floppy diskette, which is common practice to allow the entire hard disk drive to be partitioned as a single NetWare 386 volume.
When the SERVER program enters 80386 protected mode, it shuts down the floppy disk motor(s). After shutting down the motor(s), SERVER does not update...
Product Support Bulletin(s) - Page 7
...
recommends that you configure as much memory as possible as extended
memory.
When installing Lotus 1 - 2 - 3 Release 3.0 on the Equity 386/20 or the Equity 386SX, do not use the EMS managers supplied with the system software (EEMM386.EXE for the Equity 386/20 and EMM386.SYS for the Equity 386SX). Neither of these EMS managers support the Virtual Control Program Interface
(VCPI) which is...
Product Support Bulletin(s) - Page 12
... a solution for those customers who require storage capacities greater than the Epson Supplied options. When using a SCSI type hard disk drive, the hard disk controller usually is a part of the hard drive unit. The connection between the SCSI bus and the Equity's data bus is made by installing a host adaptor into the Equity computer and connecting the SCSI drive to the host adaptor. The Seagate ST...
Product Support Bulletin(s) - Page 13
... certain anomalous behavior when the Western Digital XT- GEN hard disk controller is used in the Equity II +, Ill + or 386/20 computers.
The XT - GEN controller is an 8 - bit, XT- type "generic" controller. As such, there would be an immediate loss of performance if it were installed in a 16 bit, AT- type ISA bus system. However, the poor performance is...
Product Support Bulletin(s) - Page 17
... drive manufacturer's documentation was used as a guide to installation and operation. Note that for 8086/88 computers, the XT- type settings were used. For the 80286/386 computers, the AT- type settings were used. This is important for correctly configuring the host adapters or controller cards for IRQ, DMA and I/O port address.
Archive VP - 150i
The VP - 150i was tested on the Equity II...
Product Support Bulletin(s) - Page 18
... + and 386/20. Testing was conducted under MS - DOS 3.3 with no problems encountered. The Tecmar documentation includes extensive information on installation and operation in a LAN environment.
General Notes
Of the four units tested, the Archive and Tecmar drives offered the easiest installation. They also provided the best performance, with the Tallgrass drive giving the slowest disk-to-tape...
Product Support Bulletin(s) - Page 26
... the Equity 386/20?
A. The following networking software and environments have been tested:
Software
Card
Mfg.
3COM 3Plus, 3COM Etherlink II Etherlink Plus
3COM 3COM
PC Network Program, Token-Ring Adaptor
IBM
Ver. 1.0
PC Network Adaptor
IBM
Token-Ring Network Token-Ring Adaptor
IBM
PC Adap., Ver 1.0
Token-Ring Starter Token-Ring Adaptor II IBM
Kit, Ver.1.1,IBM
PC LAN Program...
Product Support Bulletin(s) - Page 27
... can take advantage of expanded memory specification (EMS) RAM. This is a memory paging specification developed jointly by Lotus, Intel and Microsoft and is commonly referred to as LIM spec memory. The current specification is 4.0.
Epson provides the device driver EEMM386.EXE with the Equity 386/20 that takes extended memory and emulates LIM EMS memory. It is installed at
boot- up via a line...
Product Support Bulletin(s) - Page 40
...
LIM EMS (Lotus/Intel/Microsoft Expanded Memory Specification) was
introduced in 1984. EMS, version 3.2, provides usable memory
beyond the 640K limit through "bank switching". The expanded
memory is divided into 16K portions called "pages". The computer
accesses these pages through a "page frame" or "window" which is
64K of memory located between 768K and 896K in 80286 - based...
Product Support Bulletin(s) - Page 41
...
the 80286. Examples of currently available software that can switch
into protected mode to use extended memory are Framework II,
AutoCAD, the VDisk RAM disk and Xenix OS.
Q4.
How does LIM EMS 4.0, the latest version, differ from the earlier
version, LIM EMS 3.2?
A.
EMS 4.0 supports up to 32Mb of expanded memory where EMS 3.2
supported only 8Mb. EMS 4.0 has been...
Product Support Bulletin(s) - Page 44
...CHET- RM
board. It will not support memory installed on memory expansion
boards.
Q15. Are there any expanded memory boards that are compatible with the Equity LT?
A.
No, the option slots on the LT require a special connector. The
hard drive controller and the LT cartridge modem are the only option
cards currently available from Epson America.
Q16. What expanded memory boards are compatible...
Product Support Bulletin(s) - Page 45
... for the memory expansion boards?
A.
Yes, when installing the memory boards in the Equity II + and Equity
Ill + (12MHz models), remember that the bus speed is 12MHz. For
example, the Intel Above Board 288 and Above Board Plus allow
you to set up the bus speed and chip speed in their installation
programs.
Q19. What is meant by backfilling memory when using software such as...
User Manual - Page 11
...
The Epson® Equity™ 386/20 is a versatile, high-performance personal computer. Its 80386 microprocessor and 20 MHz operation speed make this a fast machine, and you can easily upgrade it by adding memory and installing options.
The Equity 386 is available in these configurations:
l A single diskette drive system with one 1.2MB (megabyte) diskette drive
l A hard disk drive system...
User Manual - Page 33
... run certain software applications that require a smaller main memory size.
The value you set for the extended memory depends on the total amount of memory available in your computer above the 1MB of main memory. This amount consists of any additional RAM you have installed on the main system memory card and on any memory expansion card you may have installed.
Running the Setup Program 2-3
User Manual - Page 113
... Equity 386. If you want to install memory modules in your computer, however, ask your dealer for help.
An option card is a circuit board you install in your computer to add a particular function. It usually contains a device, such as a modem, or provides an interface, such as a connector to which you connect a monitor. This chapter describes how to install option cards and adjust jumper settings...
User Manual - Page 131
Post-Installation Setup
After you install an option card, memory modules, or a math coprocessor, you need to run the Setup program on the Reference diskette to update the configuration information. For example, if you add a hard disk, you need to let the computer know that it has the . additional drive. See Chapter 2 for instructions. You may also need to add some commands...