Epson Equity IIe Abmessungen

EPSON

Product Support Bulletin

Subject: Proper Method for Running Benchmark and Diagnostics Programs

Date: 06/04/93 PSB No: S-0158

Page(s): 1 of 1 Originator: MWT

This bulletin describes the proper method for running any benchmark or diagnostics

programs. This applies to any computer system.

In most cases, the computer should be started using an MS-DOS boot diskette

that’s ‘clean’ -

in other words, one with no CONFIG.SYS or AUTOEXEC.BAT files.

The appropriate executable can then be run, either from diskette or hard drive.

There will be some exceptions to the above rule. In attempting to benchmark or

troubleshoot any add-on that requires a device driver (CD-ROM, local area network,

etc.), obviously the necessary device driver(s) must be loaded. Also, some

programs will require a minimum number of FILES or BUFFERS to be defined in

the CONFIG.SYS file. Such programs will usually display this requirement if they

are run without the necessary CONFIG.SYS file.

For the most consistent results, use the absolute minimal boot configuration that’s

allowed by the hardware being tested.

EPSON

Product Support Bulletin

Subject: Equity Series SIMM Compatibility

Date: 12/4/91

Page(s): 1 of 1

PSB No: S-0136

Originator: JAD

Due to the influx of third party SlMMs on the market, there are some that are not

compatible with Epson products. This bulletin is intended to be an aid in ensuring

that only compatible SlMMs are chosen for use in Epson’s Equity Series of

computers.

The SlMMs in question were SEIMENS, CUMULUS and KINGSTON. Installing these

SlMMs in Epson products may cause the following errors:

Parity Check 1

18FFFE 0000 202 Memory Address Error

164 System Options Not

Set

1500 E000 201” DOS RAM Address Error

It was thought that the chips used in these SlMMs were of poor quality.

Epson Portland evaluated the SlMMs in question and found that this was not true.

The problem is caused by the SIMM circuit boards (ITE and TECAP circuit boards)

used to manufacture the SIMM modules. The dimensions of these boards are not

compatible with industry standard SIMM sockets. This may result in incomplete

contact between the SIMM assembly and it’s socket. This is caused by insufficient

size of the contact surfaces in these products. Also enlarged holes in the TECAP

product allow the component pin to pass entirely through the hole without making

contact.

It is recommended that only SIMMS meeting industry standard contact surface

specifications be used in Epson Equity computer products.

Some recommended SlMMs that were tested and found Compatible are:

Toshiba

Matsushita

CDC Enterprises

Samsung

Aculogic

For more information contact Technical Support.

EPSON

EPSON AMERICA, INC.

INFORMATION

Product Support Bulletin

Subject:

Maximum Number of Printers Supported by Current Equity Computers

Date: 02/06/91

PSB No: S-0128

Page(s): 1 of 1 Originator: KAS

As computing environments increase in complexity, there has been an increasing

number of instances that require the support of several printers by one computer.

One common example is that of using Novell Netware’s print server capabilities to

provide printer access to a large group of users with differing printer requirements.

Netware is capable of supporting three (3) parallel and two (2) serial printers on one

server. Recent testing has shown that the Equity 386/25 Plus, Equity 386/25, Equity

386/20 and the Equity 386SX Plus will support three (3) parallel ports along with two

(2) serial ports. The key factor in providing support for a third parallel port is the

need for a parallel interface card that can be set to the IBM Monochrome

Graphics/Parallel printer I/O address at 3BCh. The computer looks for this address

first and, if present, will assign the parallel port on that card as LPT1. The built-in

parallel port (I/O address 378h) will then be addressed as LPT2. We also had an

AST I/O Mini serial/parallel card addressed at l/O address 278h, which was then

reassigned to LPT3. Each of the three parallel ports was attached to a printer. There

was also a printer attached to each of the two serial ports. All five printers were then

set to print simultaneously under Netware Version 2.15 Rev. C using PCONSOLE. All

five printers were able to print the documents assigned to them, simultaneously. The

units were then tested using WordPerfect 5.1 on the network and again were

successful in printing to the five (5) printers at the same time. The last tests were run

with the units booting under DOS 4.01 and screen prints being directed to each of

the printers. WordPerfect 5.1 was also used to direct documents to each of the

printers. Again all five (5) printers were able to print the files that were sent to them.

Although not all Equity computer models were tested in this situation, the Equity

models 386SX, lIe, Ill+ and II+ should work in a similar manner if the instructions

above are used as a guide. There is one item of which to be aware when using the

this setup and that is the system will complete the RAM count and lock up if using a

monochrome monitor. If you need to use three parallel ports, USE A COLOR

MONITOR.

EPSON AMERICA, INC.

INFORMATION

Product Support Bulletin

Subject:

Equity Series Computers and Lotus 1 - 2 - 3 Release 3.0

Date:

12/7/89

Page:

1 of 1

PSB No:

S-0108

Originator:

KAS

d(+#

The advent of Lotus 1 - 2 - 3 Release 3.0 has raised a number of questions

regarding memory management for the Epson Equity computers, specifically the

Equity 386/20, Equity 386SX and Equity Ile. The purpose of this document is

to discuss the memory requirements for Lotus 1 - 2 - 3 Release 3.0 and

recommendations for installation.

Because programs run significantly faster with extended memory, Lotus

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 required for compatibility with

Lotus

1 - 2- 3 Release 3.0.

NOTE: Should you require an EMS manager for your Equity 386/20 or Equity

386SX, there are third party software packages available that are compatible

with Lotus 1 - 2 - 3 Release 3.0.

Two such packages are

386m

version 4.03

or later, and Quarterdeck Expanded Memory Manager (QEMM) version 4.2 or

later.

Do not use VDISK with the /E switch when running Lotus on the Equity

386/20. Though Lotus Release 3.0 will load, it will overwrite any data in the

RAMDISK. VDISK supplied for both the Equity Ile and Equity 386SX is

compatible with Lotus 1 - 2 - 3 Release 3.0 and does not have a problem with

ovewriting data in the RAMDISK.

When installing Lotus 1 - 2- 3 Release 3.0 in the Equity lIe, use the EEMM286

memory manager in the hardware - emulation EMS mode. To do this, set

memory as expanded memory on the Equity lIe and do not specify the

expanded memory size.

When the Equity lIe has only 1Mb system memory,

you must select on - board memory type 5 in SETUP. When the Equity lIe

has more than 1Mb of system memory, you must select type 3, 4 or 5.

Avoid the use of HDCACHE when installing Lotus 1 - 2 - 3 Release 3.0 on any

of the Equity computer systems discussed in this document.

EPSON

EPSON AMERICA, INC.

INFORMATION

Product Support Bulletin

Subject:

Equity lIe SIMM Memory Configuration

Date: 10/23/89

Page: 1 of 2

The purpose of this bulletin is to clarify information on how to set up memory

configurations and use the EEMM286.sys driver with expanded memory.

Setup provides 5 types of memory configurations.

Type 1 shows the 640K base,

disables upper 384K and displays how much

additional expanded SIMM memory is installed above the initial 1MB of

memory.

Type 2 displays the base 640K, enables the upper 384K as expanded and

displays additional expanded SIMM memory installed above the initial 1MB of

memory.

Type 3 displays the base 640K, disables the upper 384K and displays the

additional extended SIMM memory installed above the initial 1MB of memory.

Type 4 displays the base 640K, enables the upper 384K as expanded memory

and displays the additional extended SIMM memory installed above the initial

1MB of memory.

Type 5 displays the base 640K, enables the upper 384K as extended memory

and displays the additional extended SIMM memory installed above the initial

1MB of memory.

The expanded memory manager, EEMM286.SYS, will not emulate extended

memory as expanded. Setup provides for expanded memory in types 1,2 or

4 and must be used with the following in CONFIG.SYS: “EEMM286.SYS /PA”.

This initializes the I/O port addresses for the expanded memory and installs

the EEMM286.SYS driver. This will not install if all memory is set for extended.

(Re: bottom of page 6- 39 4.01 DOS manual)

PSB No: S - 0107

Page 2 of 2

It is not possible to use the EEMM286.SYS driver in any other format or to

specify size of memory to address in config.sys. (re: page 6- 37 4.01 DOS

manual).

At boot- up, EEMM286.SYS will read setup for the amount of expanded

memory selected and convert it to pages, test and install the driver.

MEMORY CONFIGURATION CHART

Setup: Base Mem.

Type 1640 KB

Type 2

640 KB

Upper 384K

Disabled

Enabled *

Expanded

Ext above 1MB

Exp above 1MB

e-s

Displayed *

--e-m-

Displayed *

Type 3

640 KB

Disabled Displayed

------

Type 4 640 KB

Enabled *

Expanded Displayed

------

Type 5

640 KB

Enabled Displayed

------

Extended

NOTE: *

= Requires EEMM286.SYS /PA in the config.sys file.

Product Support Bulletin

Subject:

Equity Ile Questions and Answers

Date: 9/29/89

Page:

1 of 7

Questions and Answers on the Equity Ile

GENERAL:

Q1.

Q2.

Q3.

Q4.

What microprocessor does the Equity Ile use?

The Equity Ile utilizes the Intel 80286 microprocessor running at 8 or

12MHz. Use of this CPU allows for high - powered, high - speed 16 -

bit computing.

Can the Equity Ile support an 80287 co - processor?

Yes, 80287 support is available. The Equity Ile has a socket for an

optional 80287 math co - processor which operates at 8MHz. This allows

extra processing power for math intensive programs like Lotus 1 - 2 - 3

or AUTOCAD.

Can the Equity Ile use option cards that are available for the IBM

PC/AT?

The Equity Ile uses an AT- compatible ISA (Industry Standard

Architecture) bus structure that enables you to install most of the various

add- on products designed for IBM PC, XT or AT computer, such as:

expanded memory, EGA or VGA video, internal modems and many

more. It also supports all of the option boards manufactured by Epson

for the EQUITY series. There are 5 standard I/O expansion slots (one

with 8 - bit bus and 4 with 16 - bit bus); one proprietary slot occupied

by a serial/parallel interface card. The 16 - bit slots will also accept 8 -

bit compatible cards. The Equity Ile offers flexibility in tailoring the

system to your needs.

What version of DOS is provided with the Equity Ile?

The Equity Ile includes Epson MS - DOS version 4.01.

PSB No: S - 0105

Page 2 of 7

Q5.

Does the Equity Ile have a built in PS/2 mouse port?

Yes, it has a PS/2 compatible mouse port on the rear panel of the

computer. The connector is a 6 pin mini DIN for an IRQ12 mouse or

other device. Jumper 3 on the system board assigns IRQ12 to the

mouse port or the I/O channel of other devices.

Q6.

Q7.

Q8.

Q9.

Can the Equity ” + ” keyboard be used on this machine?

The Equity ” + ” keyboards are the same as the keyboards used on the

Equity Ile and are thus interchangeable, although the Ile keyboard has

a longer cable.

Are there any tested internal modems that can be used?

So far only the Epson Link PC and Hayes 2400 baud internal modems

have been approved.

What terminal emulation boards are compatible w/ the Equity Ile?

The following products have been tested and approved:

3278/79 Emulation Adaptor

IBM 5250 Board

IRMA/2

SDLC

IBM

DCA Inc.

IBM

What is the Password Security?

This system provides three levels of password protection against

unauthorized access: password before boot, network - server mode

password, and password disabled. The password is user - definable and

consists of a 7 - byte (character) string. When the system is booted for

the first time, or the password has been disabled and re - enabled by

moving jumper J1 on the system board, the user defines and enables

the password using the Setup utility on the Reference disk.

PSB No: S-0105

Page 3 of 7

Q10.

Q11.

Q12.

Q13.

Q14,

What is the Auto Speed function?

The Equity Ile is capable of operating at 12MHz or 8MHz. Some copy -

protected applications require the computer to run at 8MHz while

accessing the program diskette. By enabling the Auto speed function the

computer automatically switches to 8MHz when accessing the diskette

drive. It then switches back to 12MHz for optimal performance. Auto

speed is accessed through the SETUP program under the Auto speed

option.

Does the Equity Ile use the Phoenix or Award ROM BIOS?

No. All Equity computers utilize a Seiko - Epson proprietary ROM BIOS.

Does the Equity Ile have a battery for the Real Time Clock?

The Equity Ile is using a “Dallas” model DS1287 which incorporates an

HD146818 compatible real-time clock with an internal battery.

How many wait states does the Equity Ile have?

At 12MHz the system utilizes a “1/4 wait state” architecture for memory

access and 0 wait states for ROM BIOS access on the motherboard.

At 8MHz, memory and ROM BIOS access require 1 wait state; on the

I/O expansion bus, 16 - bit memory or device requests require 1 wait

state while 8 bit memory or device requests require 4 wait state. If

additional wait states are required, devices on the I/O channel hold the

READY signal low thus wait states are generated until the device can

respond to the CPU.

How many jumpers are on the system board?

There are three (3) jumpers on the system board:

Jumper 1: Password Enable/Disable

A: Enable (Default)

B: Disable

Jumper 2: P - ROM type

A: 256KBit (Default)

B: 128KBit

Jumper 3: IRQ12 Assignment

A: IRQ12 dedicated to the auxiliary mouse port. (Default)

B: IRQ12 available to devices on the I/O channel.

PSB No: S-0105

Page 4 of 7

Q15. What VGA adapters are compatible with the Equity Ile?

The following VGA adapters have been tested in the EQ Ile:

Epson VGA Plus 16 card.

Paradise VGA Plus 16 Card

Paradise VGA Professional Card

Video Seven Fastwrite Card

HARD DRIVES:

Q16.

What type of hard disk drives are available for the Equity Ile?

The Equity Ile is available in one hard disk configuration using a 40Mb

3.5” hard disk, (Conner CP - 344, 29ms access time). This hard disk

drive offers a 1:1 interleave, using an embedded controller with an AT -

interface with Drive Type 59.

Q10.

What extended hard drive support is available in the ROM BIOS that

comes with the Epson Equity Ile?

The Seiko - Epson BIOS will directly support hard drives that range in

size from 10Mb to 304Mb. There is direct support for the Seagate ST -

251 and the ST- 4096 hard disks, as well as, several ESDI drives. By

providing this support for 3rd party hard disk drives, the Equity Ile has

the capability to use most 3rd party 8- bit and 16 - bit hard disk

controllers. SCSI drives have their own controllers attached to the drive

and should work correctly when attached to the bus with a host

adapter.

There is a provision for setting up hard disk drives that are not

supported by the Equity Ile Drive Type Table.

In SETUP, a sub- menu lists the settings you can change for each

drive: the number of cylinders (tracks), the number of read/write heads,

the number of sectors, the precompensation cylinder, the landing zone

(the cylinder on which you want to park the heads when moving the

computer), and the total storage capacity in megabytes.

Q11.

What hard drive controller is used in the EQ Ile?

The EQ Ile uses a AT- interface type controller embedded in the hard

drive. This controller connects to a Task File Host interface (LYNX- HI

board) that is attached to the LYNX system board.

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