Epson Equity I Dimensions

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.

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 Sysgen 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:

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 KACCL060UCA

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

Keyboard Control

Key Top

Keyboard

Model

Code

FCC ID

PCB Assy

Board

set Cable

attached Y127501022 Y127501031

none

Y127501022 Y163502020

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

Product

Support

Bulletin

Subject:

Equity Series HDD Controllers Jumper Settings

Date:

6/12/89

Page:

1 of 8

PSB NO.: S-0070A

Originator: APA

ap’

This bulletin provides information on the jumper settings for the hard

disk controllers used in Epson Equity computers.

Please refer to the following pages for information regarding specific

hard disk controllers:

Model # Page #

WD1002A - WX1 . . . . . . . . . .

WD1002S - WX2 . . . . . . . . . .

WD1003 - WAH . . . . . . . . .

WD1002 - WAH . . . . . . . . .

WHDC

. . . . . . . . . . . . . . . .

WD1006S - WAH . . . . .. 7

ACB - 2320 . . . . . . . . . . . . .

HDD Controller WD1002A-WX1 (8-bit)

Model number --------

FACTORY SETTINGS

-- Extra jumper

Jumper Position Description

N/A Not used.

1 to 2 BIOS ROM is enabled (on controller).

2 to 3 Device address 320H.

* hard-wired 1 to 2BIOS ROM size (32K or 64K).

2 to 3 Reduced write current (< = 8 heads).

* hard-wired 1 to 2IRQ 5.

2 to 3 Disk controller I. D. (set to be the first).

* No jumper pins - 1 and 2 are connected by a PCB board etch.

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