Epson Apex 286/12 Bedienungsanleitung

TECH-1234

12MHz 286™ SYSTEM

ser’s

Manual

TECH-1234

Personal Computer

User’s Manual

Edition 1.2

The following does not apply to any country where such provisions are inconsistent

with local law:

We make no warranties with respect to this documentation either express or implied

and provides it “as is”. This includes but is not limited to any implied warranties of

merchantability and fitness for a particular purpose. The information in this document

is subject to change without notice. We assumes no responsibility for any errors that

may appear in this document.

IBM PC, IBM PC/XT and IBM PC/AT are registered trademarks of International

Business Machines Corporation. MS-DOS is a registered trademark of Microsoft

Corporation. Intel is a registered trademark of Intel Corporation. The typeface used

in the text of this manual is Helvetica and is used under licence from the Allied

Corporation, the owner of the typeface.

All other brand names are registered trademarks of their respective companies,

The TECH-l234, this manual and all illustrations in it are copyrighted with all rights

reserved. Under the copyright laws, the TECH-1234, this manual, and the illustra-

tions, may not be copied without the written consent of Datatech Enterprises Co., Ltd.

Documentation design and writing by: Echo Chen, Patty Lee, Hazel Chen, and Alan

Patterson.

1991 Datatech Enterprises Co., Ltd.

Federal Communications Commission (FCC) Statement

Radio Frequency Interference Statement

This equipment has been tested and found to comply with the limits for a

Class B digital device, pursuant to Part 15 of the FCC Rules. These limits

are designed to provide reasonable protection against harmful interference

in a residential installation. This equipment generates, uses and can

radiate radio frequency energy and if not installed and used in accordance

with the instructions, may cause harmful interference to radio communica-

tions. However, there is no guarantee that interference will not occur in a

particular installation. if this equipment does cause harmful interference to

radio or television reception, which can be determined by turning the

equipment off and on, the user is encouraged to try to correct the inter-

ference by one or more of the following measures:

•

Reorient or relocate the receiving antenna.

•

Increase the separation between the equipment and receiver.

•

Connect the equipment into an outlet on a circuit different from

that to which the receiver is connected.

•

Consult the dealer or an experienced radio/TV technician for

help.

Any special accessories needed for compliance must be specified in the

instruction manual.

Warning: A shielded-type power cord is required in order to meet FCC

emission limits and also to prevent interference to nearby radio and

television reception. it is essential that only the attached power cord be

used.

Use only shielded cables to connect I/O devices to this computer.

You are cautioned that changes or modifications not expressly approved by

the party responsible for compliance could void your authority to operate

the equipment.

This digital apparatus does not exceed the Class B limits for radio noise

emissions from digital apparatus as set out in the radio interference regula-

tions of the Canadian Department of Communication.

Le Présent appareil numérique n’emet pas de bruits radioélectriques

dépassant les limites applicables aux appareils numeriques de Class B

preescrites dans le reglement sur le brouiliage radioélectrique édicté parle

Ministère des Communications du Canada.

Warning

Reconfiguring

• To keep the computer from being damaged, NEVER recon-

figure the board while the power is ON.

•

If you wish to reconfigure the computer at any time, ensure that

the power is turned OFF before changing any hardware set-

tings, such as DIP switches or jumpers.

III

Contents

Chapter 1

SYSTEM OVERVIEW

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

1-1 Introduction ............................

Operating System

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

1-2 Quick Start ............................. 3

1-3 Features ..............................

1-4 Specifications ...........................

1-5 Example of a System Configuration ................

1-6 System Unit ............................

1-7 Control Panel . . . .

Reset Button . . . . .

Turbo Button . . . .

Indicator Lights . .

Keyboard Lock . . . .

System Power Switch

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

. . . . . . . . . . . . . . . . . . . . . 8

. . . . . . . . . . . . . . . . . . . . 9

. . . . . . . . . . . . . . . . . . . . 10

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

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

.....................14

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

1-9 Other Peripherals .........................

1-8 Rear Panel . . . . . . . . . .

Keyboard Connector .

Power Cord Connector . .

Display Port . . . . . . .

Power Voltage Setting . .

1-10 Disk Drives .........................

Floppy Disks

............ .............. 18

Hard Disks

............. .............. 20

1-11 Keyboard ............................ 21

1-12 Maintaining Your Equipment ...................

Chapter 2

SETTING UPYOUR SYSTEM............................1

2-1 Motherboard

...........................2

80286CPU ...........................3

Math Coprocessor

...........................4

Chipsor RAM Modules Insertion ...........................5

Jumper ................................

On board System Memory Size

.........................7

ROM BlOS Chips ...........................17

2-2 Installation

............................ 18

2-3 Connecting to the Power Supply

.................19

Chapter 3

Operating Your System

................................1

3-1 An Introduction to DOS

Loading DOS

................................2

System Messages

................................2

................. ..........2

3-2 DOS Operations

..........

Starting MS-DOS

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

........

Formatting Disks

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

Backing up Your Diskettes and Files

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

Deleting Your Diskettes and Files

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

Finding Out What is on Your Disk

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

3-3 Hard Disk Drive Format

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

Step

1 —

Preformat

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

Step 2 — Partition

Step 3 — Format

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

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

3-4 Helpful Hints

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

3-5 System Setup Program

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

Entering the Setup Program

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

Running the Setup Program

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

Chapter 4

KEYBOARD . . . . . . . . . . . . . . .

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

. . . . . . . . . . . 1

4-1 Keyboard Layout . . . . . . . . . . . . . . . . . . . . . . . . . . 2

4-2

Getting Acquainted with Your Keyboard

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

Function Keys

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

Numeric Keypad

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

Mode Indicator Lights

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

Special Keys

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

QWERTY keys

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

Cursor Keys

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

Key Combinations

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

4-3 Keyboard Tilt Adjustment . . . . . . . . . . . . . . . . . . . . . 9

Chapter 5

TROUBLESHOOTING

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

5-1 Command Problems

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

5-2 System Error Messages

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

Examples of System Error Messages

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

5-3 System BIOS Error Messages

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

Chapter 6

APPENDIX

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

6-1 Installing Disk Drives

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

Step 1: Fastening Disk Drives ....................

Step 2: Connecting Cables

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

6-2 Entering 12MHz Turbo Mode

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

Entering 12 MHz Turbo Mode

.................... 9

SoftwareTurboSwitch ...................

Hardware Turbo Switch

. . . . . . . . . . . . . . . . . . . . . . . 9

Alternate Use of Both Switches ...................

6-3 Software

............................. 10

Shadow RAM Enable

EMS Driver Setup ..................

. . . . . . . . . . . . . . . . . . 10

6-4 Quick Reference for Jumper Settings

6-5 Moving Your Computer and Peripherals

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

.....................16

Short Move .............................16

Long Move

.............................16

6-6 Technical Information

......................17

Microprocessor

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

Protected Virtual Address Mode

............... 17

Real Address Mode

System Timers

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

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

System Interrupts .......................

ROM Subsystem

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

RAM Subsystem

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

Direct Memory Access

DMA Channel

. . . . . . . . . . . . . . . . . . . . . . . 21

I/O Channel Slots

. . . . . . . . . . . . . . . . . . . . . . 21

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

Math Coprocessor Control

..............23

Chapter 7

GLOSSARY

. . . . . . . . . . . . . . . . . . . . . . . . . . . 1

VII

List of Figures

Chapter 1

SYSTEM OVERVIEW

Figure 1-1: Quick Start 3

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

Figure 1-2: System Configuration

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

Figure 1-3: System Unit Case

Figure 1-4: Front Panel

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

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

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

Figure 1-5: Keylock and Two Security-Lock Keys 9

Figure 1-6: ON/OFF Switch in OFF Position

...........

Figure 1-7: Rear Panel

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

Figure 1-8: Connecting the Keyboard Cable

...........

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

Figure 1-9: System Power Cord

Figure 1-10: Two Kinds of Display Connectors

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

Figure 1-11: Voltage Switch

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

Figure 1-12: System Unit Connected to Peripherals

.........

Figure 1-13: Installing Floppy and Hard Disk Drives

.........

Figure 1-14: Copy Protection for a 3.5” Floppy Disk

.........

..........

Figure 1-15: Copy Protection for a 5.25” Floppy Disk

Figure 1-16: Keyboard

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

VIII

Chapter 2

SETTING UP YOUR SYSTEM

Figure 2-1: Motherboard Layout

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

Figure 2-2: The Location of 80286 CPU

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

Figure 2-3: The Location of 80287

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

Figure 2-4: Chip Insertion

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

Figure 2-5: RAM Module Insertion

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

Figure 2-6: An Example of Three-Pin Jumper Setting

.........

Figure 2-7: RAM Banks

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

Figure 2-8: 512KB Total Onboard System Memory

..........

Figure 2-9: 640KB Total Onboard System Memory

..........

Figure 2-10: 1 MB Total Onboard System Memory

...........

Figure 2-11: 1.5MB Total Onboard System Memory

..........

Figure 2-12: 2MB Total Onboard System Memory (A)

........

Figure 2-13: 2MB Total Onboard System Memory (B) .

. . . . . . . .

. 13

Figure 2-14: 3MB Total Onboard System Memory

..........

Figure 2-15: 4MB Total Onboard System Memory

..........

Figure 2-16: 5MB Total Onboard System Memory

......... 16

Figure 2-17: Installing ROM

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

Figure 2-18: Unpacking Your Main System

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

Figure 2-19: Connecting to the Power Supply

............ 19

Chapter 3

Operating Your System

Figure 3-1: Initial Screen

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

Figure 3-2: “Set Up System Configuration” Screen

..........

Figure 3-3: “Preformat Hard Disk” Screen

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

Figure 3-4: Calculator

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

Figure 3-5: “NEAT Chip Setup Configuration” Screen

.........

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