Epson Equity 386SX PLUS 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.

Product Support Bulletin

Subject:

Novell Advanced NetWare 286 ND on an 80386 - based Server

Date:

4/11/90

Page:

1 of 1

PSB No:

Originator:

MWT

This bulletin is to inform you of a potential problem that can occur when

running Novell Advanced NetWare 286 in non- dedicated (ND) mode on an

80386 - based file server. This includes the Equity 386/20 and the 386SX.

When a DOS command is executed on the ND server and there is moderate

network activity, the system may halt with the following error message:

Abend: INVALID TASK STATE INTERRUPT

This is apparently due to some 80286 - specific protected mode operations that’

do not function quite the same way when executed on an 80386. This has

been observed in the following NetWare versions:

Advanced NetWare 286 2.0a

Advanced

NetWare 286

2.11

Advanced

NetWare 286

2.12

Advanced NetWare 286 2.15a

Advanced NetWare 286 2.15b

ELS Level I

ELS Level II

Note that the problem does not occur with the latest version, Advanced

NetWare 286 2.15c. Unless this version of NetWare 286 is being used, we

cannot recommend non - dedicated file server operation with any Epson

80386 - based computer.

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.

Product Support Bulletin

Subject:

Equity 386SX Questions and Answers

Date:

10/01/89

Page:

1 of 8PSB No:

S-0106~

Originator: DS/PM

Questions and Answers on the Equity 386SX

GENERAL:

Q1.

Q2.

Q3.

Q4.

What microprocessor does the Equity 386SX use?

The Equity 386SX utilizes the Intel 80386SX - 16 microprocessor

running at 8 or 16Mhz. Use of this CPU gives you 386 performance

and compatibility in a 16 - bit based computer architecture.

What speed does the Equity 386SX operate at?

The Equity 386SX operates at either a 16Mhz or 8Mhz processor

speed. The speed can be set by using the CPU speed switch

located on the front of the machine. At either processor speed, the

system bus operates at a fixed speed of 8Mhz.

What is the Auto Speed function?

The Equity 386SX is capable of operating at 16MHz 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 16MHz for optimal

performance. Auto speed is accessed through the SETUP program

under the Auto speed option.

Does the Equity 386SX use the Phoenix or Award ROM BIOS?

No. All Equity desktop computers utilize a Seiko - Epson proprietary

ROM BIOS.

PSB No: S-0106

Page 2 of 8

Q5.

Q6.

Q7.

Q8.

Q9.

Can the Equity 386SX support an 80387 co- processor?

Yes, 80387SX support is available. The Equity 386SX has a socket

for an optional 80387SX - 16 math co - processor which operates at

16MHz. This allows extra processing power for math intensive

programs like Lotus 1 - 2 - 3 or AUTOCAD.

Can the Equity 386SX use option cards that are available for the

IBM PC/AT?

The Equity 386SX uses an AT- compatible ISA (Industry Standard

Architecture) bus structure that enables you to install any 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

386SX offers flexibility in tailoring the system to your needs.

Are there any tested internal modems that can be used?

The Epson Link PC and the Hayes 2400 baud internal modems

have been approved.

Does the Equity 386SX 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.

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

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

the Equity 386SX and are thus interchangeable. The cable on the

Equity 386SX keyboard is longer in length than the cable used on

the ” + " keyboard.

PSB No: S-0106

Page 3 of 8

Q10.

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 disable. The password is user definable and

consists of a 7 - byte (character) string. The password protection

feature is not case sensitive. 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.

Q11.

Q12.

Q13.

Q14.

What terminal emulation boards are compatible w/ the Equity 386SX?

The following products have been tested and approved:

3278/79 Emulation Adaptor

IBM 5250 Board

IRMA/2

SDLC

IBM

DCA Inc.

IBM

Does the Equity 386SX have a battery for the Real Time Clock?

The Equity 386SX is using a “Dallas” model DS1287 which

incorporates an HD146818 compatible real-time clock with an

internal battery.

What VGA adapters are compatible with the Equity 386SX?

The following VGA adapters have been tested in the Equity 386SX:

Paradise VGA Plus 16 Card

Paradise VGA Professional Card

Video Seven Fastwrite Card

Can the serial and parallel ports be disabled?

No. The parallel and serial ports auto configure at boot up from the

BIOS ROM. They are set up as LPT1 and COM1 respectively and

there are no hardware jumpers or DIP switches to set them to LPT2

and COM2.

PSB No: S-0106

Page 4 of 8

Q15.

Q16.

Q17.

Q18.

How many internal device bays does the Equity 386SX have and will

it support a full - height device?

The Equity 386SX has 3 half - height bays to support up to 3 half -

height devices. The separator between bays 2 & 3 can be removed

to allow for the installation of a full - height device.

How many wait states does the Equity 386SX have?

At 16MHz 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 expansion bus, all memory or device requests are

1 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.

Are the wait states user selectable?

No, the Equity 386SX automatically inserts them when needed after

the command phase of the processor clock cycle.

How many jumpers are on the system board?

There are five (5) jumpers on the system board:

System Board:

Jumper 1: Co - Processor Installed/Not Installed

1 - 2: Installed

2- 3: Not Installed (Factory Setting)

Jumper 2: Password

1 - 2: Password Enabled (Default)

2 - 3: Password Disabled

PSB No: S-0106

Page 5 of 8

Jumper 3: Embedded HDD Interface Enable/Disable

1 - 2: Embedded HDD Interface Disable

2 - 3: Embedded HDD Interface Enable (Factory Setting)

Jumper 4: BIOS EPROM Type

1- 2: Selects 27256 Kb ROM

2 - 3: Selects 27512 Kb ROM

Jumper 5: IRQ 12 Select

1 - 2: IRQ 12 From Option Slot

2 - 3: IRQ 12 From Built - in Mouse (Factory Setting)

Memory Board:

Jumper 1: Built in Buffers Enable/Disable

1 - 2: SIMM’s Installed, Buffers Enabled

2- 3: SIMM’s Not Installed, Buffers Disabled (Factory

Setting)

HARD DISK DRIVES:

Q19.

Q20.

Q21.

What kind of hard disk drives are available for the Equity 386SX?

The Equity 386SX is available in two hard disk configurations. A

40Mb 3.5” hard disk, (Conner CP- 344, 29ms access time) and a

100Mb 3.5” (Conner CP- 3104, 25ms access time) hard disk are

available.

These hard disk drives offer a 1:1 interleave and use

embedded controllers with an AT interface. When installing the 40Mb

drive use type 59 and with the 100Mb drive use type 60 in SETUP.

What hard drive controller is used in the Equity 386SX?

The Equity 386SX uses a controller embedded on the hard drive.

This controller connects to a Task File Host interface that is

integrated in the system board.

Can the Equity 386SX use other hard disk drives and controllers?

Yes, the Host Interface on the system board can be disabled and

other third party hard drive controllers and drives can be used. The

interface can be disabled by setting Jumper J3 to position 1 - 2.

Other embedded controller AT- type drives can also be used with

the Host Interface.

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