Epson Apex Dimensions

Product Support Bulletin

Subject:

Equity/Apex Compatibility with the SOTA 386si

Date:

3/02/90

PSB No:

S-0111

Page:

1 of 3

Originator:

CL5

The purpose of this bulletin is to provide the 80386 Accelerator board test

results, conducted by the Computer Product Support Center, involving the

SOTA 386si from SOTA Technology, inc.

The Equity models tested were the Equity I, Equity II Equity I + and Equity le.

The Apex models tested were the Apex, Apex Plus and Apex 100. All were

tested with Norton Utilities and MS - DOS.

The table below shows compatibility and the Norton SI rating of the

various systems.

Model

Norton SI

Equity I

12.0

Equity I+

12.0/16.9

Equity le

Equity II

Apex

14.3

15.9

Apex Plus

11.5

Apex 100 12.0/16.9

Compatibility

Functioned normally with Norton Utilities and

MS- DOS 2.11

Functioned normally with MS - DOS 3.3 and

Norton Utilities at both CPU speeds.

Unable to boot at 10MHz. Performance

erratic at 4.77MHz

Functioned normally with MS - DOS 3.2 and

Norton Utilities. (Tested only at 7.16MHz.)

Unable to boot at 4.77MHz. Functioned

normally at 8MHz with MS - DOS 3.2 and

Norton Utilities.

Unable to boot at 9.54MHz. Functioned

normally at 4.77MHz with MS - DOS 3.2 and

Norton Utilities.

Functioned normally with MS - DOS 3.3 and

Norton Utilities.

PSB No: S-0111

Page: 2 of 3

Installation of the board in most of the units was quick and simple to do when

following the installation instructions accompanying the boards. Installation of

the SOTA 386si in the Equity I and the Equity II is rather difficult. Due to the

amount of disassembly required, we strongly recommend that only Authorized

Service Centers install the board in the Equity I and Equity II.

Installation Instructions

Equity I

1. Remove the following from the main unit:

a) upper case

b) rear panel

c) front panel

d) FDD/power supply block.

2. Follow instructions for a standard installation for the SOTA 386si in an

8088 - based system.

Take care to fold the SOTA connector cable so as

not to prevent reassembly.

The cable is sturdy and will tolerate being

folded.

3. Reassemble the main unit and go through the testing and initialization

procedure outlined in the SOTA manual.

Equity II

1. Remove the following from the main unit:

a) upper case

b) rear panel

c) front panel

d) FDD/power supply block.

2. Follow instructions for a standard installation for the SOTA 386si in an

8086 - based system.

Take care to fold the SOTA connector cable so as

not to prevent reassembly. This will necessitate routing the cable so that it

does not conflict with the power connection to the main system board.

The cable is sturdy and will tolerate being folded.

3. Reassemble the main unit and go through the testing and initialization

procedure outlined in the SOTA manual.

PSB No: S-0111

Page: 3 of 3

Our Computer Product Support Center receives numerous calls requesting

information and recommendations on 80386 Accelerator boards for use with the

Equity and Apex (8088-

and 8086 - based) personal computers.

We have found that the SOTA 386si may meet your requirements and are

competitively priced!

Although these boards were tested by qualified product support specialists,

Epson America makes no representations that these third party products are

compatible with all hardware configurations or software applications.

We recommend that you certify these products with your specific hardware and

software requirements and consult with the third party vendor to ensure reliable

operation.

SOTA Technology can be reached at:

SOTA Technology, Inc.

657 N. Pastoria Ave.

Sunnyvale, CA 94086

Phone: (408) 245 - 3366

Product Support Bulletin

Subject:

Equity and Apex Series Compatibility with the System OmniBridge

Controller and BridgeFiler External Floppy Drives

Date:

04/11/90

Page:

1 of 3

PSB No:

S-0088B

Originator:

KAS

The purpose of this bulletin is to provide the results of compatibility testing

conducted by the Computer Product Support Center with the Sysgen

OmniBridge controller and Bridge - Filer external floppy disk drives.

Comments

Equity I

The Equity I was found compatible with the OmniBridge

controller. It was able to support one or two external

disk drives (daisychained) together. The external drives

could be used as high density (1.2M and 1.44M) or

normal (360K and 720K) disk drives.

Equity II

Equity III

Equity I +

Equity le

The Equity II was found to be totally incompatible with

the OmniBridge controller.

The Equity III was found compatible with the OmniBridge

controller. It was able to support one or two external

disk drives (daisychained) together. The external drives

could be used as high density (1.2M and 1.44M) or

normal (360K and 720K) disk drives.

The Equity I + was found compatible with the

OmniBridge controller.

It was able to support one or

two external disk drives (daisychained) together. The

external drives could be used as high density (1.2M and

1.44M) or normal (360K and 720K) disk drives.

The Equity le was found compatible with the OmniBridge

controller. It was able to support only one external

floppy drive, unlike the other models tested. The drive

could be used as a high density (1.2Mb and 1.44Mb) or

normal (360K and 720K) disk drive.

PSB No: S-0088B

Page: 2 of 3

Equity II +

Equity lIe

The Equity II + was found compatible with the

OmniBridge controller.

It was able to support one or

two external disk drives (daisychained) together. The

external drives could be used as high density (1.2M and

1.44M) or normal (360K and 720K) disk drives.

The Equity Ile was found compatible with the

OmniBridge controller.

It was able to support one or

two external disk drives (daisychained) together. The

external drives could be used as high density (1.2M and

1.44M) or normal (360K and 720K) disk drives.

Equity Ill +

The Equity III + was found compatible with the

OmniBridge controller.

It was able to support one or

two external disk drives (daisychained) together. The

external drives could be used as high density (1.2M and

144M) or normal (360K and 720K) disk drives.

Equity 386SX

The Equity 386SX was found compatible with the

OmniBridge controller.

It was able to support one or

two external disk drives (daisychained) together. The

external drives could be used as high density (1.2M and

144M) or normal (360K and 720K) disk drives.

Equity 386/20

The Equity 386/20 was found compatible with the

OmniBridge controller.

It was able to support one or

two external disk drives (daisychained) together. The

external drives could be used as high density (1.2M and

1.44M) or normal (360K and 720K) disk drives.

APEX

APEX +

The Epson APEX was found compatible with the

OmniBridge controller.

It was able to support one or

two external disk drives (daisychained) together. The

external drives could be used as high density (1.2M and

1.44M) or normal (360K and 720K) disk drives.

The Epson APEX was found compatible with the

OmniBridge controller.

It was able to support one or

two external disk drives (daisychained) together. The

external drives could be used as high density (1.2M and

1.44M) or normal (360K and 720K) disk drives.

PSB No: S-008B

Page: 3 of 3

APEX 100

APEX 200

The Epson APEX 100 was found compatible with the

OmniBridge controller.

It was able to support one or

two external disk drives (daisychained) together. The

external drives could be used as high density (1.2M and

1.44M) or normal (360K and 720K) disk drives.

The Epson APEX 200 was found compatible with the

OmniBridge controller.

It was able to support one or

two external disk drives (daisychained) together. The

external drives could be used as high density (1.2M and

1.44M) or normal (360K and 720K) disk drives.

NOTE:

The recommended switch settings for the OmniBridge controller are

as follows:

1-1 DOWN 2-1 DOWN

1-2 DOWN 2-2 DOWN

1-3 DOWN 2-3 UP

1-4 DOWN 2-4 UP

These settings select NO ADDRESS for the OmniBridge BIOS and

allow it to coexist with the internal FDC of the computer in which it

is being installed.

This way you do not need to disable the internal

FDC or connect any cables from the OmniBridge to internal floppy

drives. This was found to be a universal setting for all of the

computers listed above as compatible with the OmniBridge controller.

Product Support Bulletin

Subject: Tape Backup System Test Results

Date: 6/13/89

Page: 1 of 2PSB No: S-0087

Originator: MWT

The Epson America Product Support Center has recently tested four tape

backup systems:

Archive VP - 150i Internal, 150MB

Mountain Series 4000 FileSafe

External, 40MB

Tallgrass TG - 4060 +

External, 60MB

Tecmar

QT - 60e

External, 60MB

The tape drives were tested on a variety of systems (please see the notes

below). In all cases, the 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 +, Ill + and 386/20. Due

to the capacity and nature of the drive, it is not particularly suited

for use in any of the 8086/88 computers. This was the only drive

supplied with Unix/Xenix device drivers. It was tested under MS -

DOS 3.3 and SC0 Xenix 286 System V version 2.2.1 with no

problems encountered. The VP - 150i is also Novell tested and

certified under the NetWare operating system.

Mountain Series 4000 FileSafe

The Series 4000 FileSafe was tested on the Equity II+, III + and

386/20. Due to the use of a 16 - bit controller, it was not tested

in any of the 8086/88 computers. It was tested under MS - DOS

3.3 with no problems encountered. A chapter is included in the

tape software documentation on backup and restore operations on

a local area network, including Novell.

PSB No: S-0087

Page: 2 of 2

Tallgrass TG - 4060 +

The TG- 4060+ was tested on the Apex, Apex +, Equity I +,

II +, Ill + and 386/20. It was tested under MS- DOS 3.2 and 3.3

with no problems encountered. There is no documentation on LAN

operations.

Tecmar QT - 60e

The QT- 60e was tested on the Equity I +, II + , III + 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 and tape -

to- disk operations. All four drives were supplied with menu-

driven tape utility software for the MS - DOS environment.

Command-line and timed, scheduled operations are also

available. As previously mentioned, the Archive drive also included

device drivers for use in a Unix/Xenix environment, offering the

greatest level of flexibility.

Please contact the manufacturers for additional information.

Archive Corporation

Data Storage Division

1650 Sunflower Ave.

Costa Mesa, Ca. 92626

(800) 237-4929

Mountain Computer, Inc.

360 El Pueblo Rd.

Scotts Valley, Ca.

95066

(408) 438-6650

Tallgrass Technologies Corp. Tecmar, Inc.

11100 West 82nd St.

6225 Cochran Rd.

Overland Park, K

. 66214

Solon, Oh. 44139

(913) 492-6002 (216) 349-1009

Product Support Bulletin

Subject:

Apex / Apex Plus / Equity Series Keyboards

Date: 4/19/89

Page: 1 of 1PSB No: S-0080

Originator: REM

The purpose of this bulletin is to provide information on the various keyboards

used with the Apex, Apex Plus and Equity series computers and the part

numbers of the keyboard subassemblies used with these keyboards.

The Apex and Apex Plus computer keyboards are to be replaced as whole

units.

The Equity series keyboards are repaired to the subassembly level.

The

Equity III keyboard PCB assembly is the only one that comes with the key top

set attached.

Since some of the keyboards have the same model numbers, the difference

can be determined by the FCC ID number in those cases.

The chart below provides a quick reference to determine the part number of

the main keyboard PCB assembly, key top set, control logic subassembly, and

keyboard cable.

Apex / Apex Plus Equity I, II, Ill

Keyboard Keyboard

Key Top

Keyboard

Model Unit Model

PCB Assy

set

Cable

Apex

A265091A

Equity I/II

Y145501001 Y145501021 Y144305000

Apex Plus 93553905410 Equity Ill

KAFLZ3AEPS1

attached KACCL600UCA

Equity I +, II +, Ill+, 386/20

Keyboard Control

Key Top

Keyboard

Model

Code

FCC ID

PCB Assy

Board

set Cable

:zE?

BKM9A8Q203A Y127501001 attached Y127501022 Y127501031

Q203A

A&AA

BMK9A8Q303A Y127501001 attached Y127501022 Y127501031

C9S4D7Q203A Y163502001

none

Y127501022 Y163502020

Q203A A103A-AA

C9S4DB4701

Y163504007 Y171501017 Y127501022 Y163504006

Equity le

Keyboard Control

Key Top

Keyboard

Model

Code

FCC ID

PCB Assy

Board

set

Cable

E1160A -

C9S4D84701- 201

Y163504007 Y171501017 Y171501007 Y171501006

EPSON

EPSON AMERICA, INC.

SERVICE

RODUCT

UPPORT

ULLETIN

PSB NO.: S-0065 DATE: 1/5/89 ORIGINATOR: REM/ AGE: 1 of 1

SUBJECT: DISABLING THE FLOPPY DISK CONTROLLER IN EPSON COMPUTERS

This bulletin covers the ability or inability to disable the

floppy disk controller in the Epson computers.

FDC CAN

COMPUTER

HOW

DISABLED

Equity I

Equity II

Equity III

Equity I+

Equity II+

1OMHz

12MHz

Equity III+

Yes CPU Board -Switch 2-3 off

Yes CPU Brd - Jumper 1 in Position B

Multi-function Board

Yes

- Jumper 2 in Position B

Yes Multi-function Board

- Jumper 1 in Position B

- Jumper 2 in Position B

Apex

Yes

Motherboard - Remove Jumper El

Apex Plus

EPSON AMERICA SERVICE, 23610 TEL0 AVENUE, TORRANCE, CALIF. 90505

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