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Apex 386SX-2
User Manual
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Epson Apex 386SX-2 User Manual

PEER-2030
™
2OMHz
386SX
SYSTEM
U
ser’s Manual
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 communica­tions. 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 inter­ference by one or more of the following measures:
•
Reorient or relocate the receiving antenna.
•
Increase the separation between the equipment and receiver.
Ž
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Ž 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’émet pas de bruits radioélectriques dépassant les limites applicables aux appareils numériques de Class B preescrites dans le réglement sur le brouillage radioélectrique édicté parle Ministère des Communications du Canada.
Warning
Reconfiguring
l
To keep the computer from being damaged, NEVER recon-
figure the board while the power is ON.
l
If you wish to reconfigure the computer at any time, ensure that the power is turned OFF before changing any hardware set­tings, such as DIP switches or jumpers.
III
Chapter 1 System Overview

Contents

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1
l-l Introduction ..............................
Operating System
l-2 QuickStart
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l-3 Features ................................
l-4 Specifications l-5 Example of a System Configuration
l-6 SystemUnit
l-7 Control Panel . . . .
Reset Button
Turbo Button
Indicator Lights Keyboard Lock System Power Switch
l-8 Rear Panel . . . . . . . . . . .
Keyboard Connector Power Cord Connector
Display Port . . . . . . .
Power Voltage Setting . . l-9 Other Peripherals l-10 Disk Drives
Floppy Disks Hard Disks
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3 4 5 6 7
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8 8 8 9
10 11
12 13 14 15
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17 .18 .20
l-11 Keyboard
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l-1 2 Maintaining Your Equipment
IV
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.21 .22
Chapter 2
Setting Up Your System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
2-l Motherboard
80386S X CPU
Math Coprocessor Chip Insertion Jumper Onboard System Memory Size
ROM BIOS Chips
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2-2 Installation . . . . . . . . . . . . . . . . . 20
2-3 Connection to Power Supply
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Chapter 3 Operating Your System
3-1 An Introduction to DOS
Loading DOS
System Messages
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
1 – Preformat
Step Step 2 – Partition Step3-Format
3-4 Helpful Hints . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
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3 4 5 6 7
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8 8 9
3-5 System Setup Program
Entering the Setup Program Running the Setup Program
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11 12 14
V
Chapter
4
Keyboard.......................1
4-l Keyboard Layout . . . . . . . . . . . . . . . . . . 2
4-2 Getting Acquainted
Function Keys Numeric Keypad Mode Indicator Lights Special Keys QWERTY keys Cursor Keys
Key Combinations
4-3 Keyboard Tilt Adjustment . . . . . . . . . . . . . . 9
with Your Keyboard
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Chapter 5
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
5-l Command Problems . . . . . . . . . . . . . . 2
5-2 System Error Messages
Examples of System Error Messages
5-3 System BIOS Error Messages . . . . . . . . . . . . . 6
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3 3 3
5 6 7
8 8
4 5
VI
Chapter 6 Appendix
6
6-2 Entering 20MHz Turbo Mode
6-3 Software
6-4 Quick Reference for Jumper Settings 6-5 Moving Your Computer and Peripherals
6-6 Technical information
........................1
-1 Installing Disk Drives
5.25” Disk Drives
3.5” Disk Drives
Entering 20 MHz Turbo Mode . . . . . . . . . . . . .
SoftwareTurbo Switch . . . . . . . . . . . . . 9
Hardware Turbo Switch
Alternate Use of Both Switches
.......................
Shadow RAM Enable
EMS Driver Setup
Short Move
Long Move
Microprocessor Protected Virtual Address Mode
Real Address Mode System Timers System Interrupts
ROM Subsystem
RAM Subsystem
Direct Memory Access
DMAChannel
I/O Channel Slots
Math Coprocessor Control
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2 2
7
9
9
9
10
10
10 14 16 I6
16
17
17
17
18
18
19
20
20
21
21
23
24
Chapter 7
Glossary . . . . . . . . . . . . . . . . . . . . 1
VII
Chapter 1 System Overview
Figure 1-1: Quick Start
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 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:VoltageSwitch Figure 1- 12: System Unit Connected to Peripherals Figure 1-1 3: Installing Floppy and Hard Disk Drives Figure 1-14: Copy Protection for a 3.5” Floppy Disk Figure Figure
1-15:
Copy Protection for a 5.25” Floppy Disk
1-16:
Keyboard
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List of Figures
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6
7
8 9
10
11
12 13 14 15
16 17 19 19
21
VIII
Chapter 2 Setting Up Your System
Figure 2-1 : Motherboard Layout Figure 2-2: The Location of W9,80386SX, and 80387SX Figure 2-3: Chip Insertion Figure 2-4: An Example of Three-Pin Jumper Setting Figure 2-5: RAM Banks & Jumpers for Bank Selection Figure 2-6: 512KB Total Onboard System Memory Figure 2-7: 640KB Total Onboard System Memory Figure 2-8: 1 MB Total Onboard System Memory Figure 2-9: 1.5MB Total Onboard System Memory Figure 2-1 0: 2MB Total Onboard System Memory (A)
Figure 2-11: 2MB Total Onboard System Memory (B) Figure 2-12: 3MB Total Onboard System Memory Figure 2-13: 4MB Total Onboard System Memory Figure 2-14: 5MB Total Onboard System Memory Figure 2-15: Installing ROM
Figure 2-1 6: Unpacking Your Main System Figure 2-1 7: Connecting to a Power Supply
Chapter
3
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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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2
5 6 7 8
10
11 12 13 14
14 15 16 17 19 20
21
13 15 16 17 18
IX
Chapter 4 Keyboard
Figure 4-1 : Keyboard Layout Figure 4-2: Function Keys Figure 4-3: Numeric Keypad Figure 4-4: Indicator Lights Figure 4-5: Special Keys Figure 4-6: QWERTY Keys Figure 4-7: Cursor Keys Figure 4-8: Adjustment of Keyboard Angles
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Chapter 6
Appendix
Figure 6-1 : Installing a 5.25” Disk Drive Figure 6-2: Screwing the 5.25” Disk Drives
Figure 6-3: Connecting a Floppy Disk Drive Figure 6-4: Connecting a Floppy Disk Drive to an FDC Card Figure 6-5: Connecting a Hard Disk Drive Figure 6-6: Connecting a Hard Disk Drive to an HDC Card
Figure 6-7: Cables for Disk Drives Figure 6-8: Installing a 3.5” Disk Drive
Figure 6-9: Screwing the 3.5” Disk Drives Figure 6-10: 62-Pin Expansion Bus I/O Channels Figure 6-11: 36-Pin Expansion Bus I/O Channels
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23 24
2 3
3 5
6 7 8
9
2 3 4 4 5 5 6 7 8
X
List of Tables
Chapter 1
System Overview
Table 1-1 : Power Cord Specifications . . . . . . . . . . . .15
Table 1-2: Floppy Disk Specifications
Chapter 2 Setting Up Your System
. . . . . . . . . . . . .18
Table 2-1 : Math Coprocessor Jumper W9 Table 2-2: Settings of Jumpers W1 -W6
Table 2-3: Total Onboard System Memory Size Table 2-4: Jumper Settings for Different Types of BIOS Table 2-5: Power Supply Pinouts
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Chapter 4 Keyboard
Table 4-1 : Functions of Numeric Keypad Keys Table 4-2: Functions of Special Keys Table 4-3: Functions of Special QWERTY Keys Table 4-4: Special Functions
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Chapter 6 Appendix
Table 6-1: Channel . . . . . . . .
Table 6-2: Channel 1 . . . . . .
Table 6-3: Channel 2 . . . . . .
Table 6-4: Interrupt Level Assignment Table 6-5: DMA Channels Table 6-6: I/O Hex Address . . . Table 6-7: DMA Channel 3 Through 0 Table 6-8: DMA Channel 7 Through 5
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9 18 22
4 6 7 8
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18 19 21 22 22 22
XI
What’s Inside
Here’s what you’ll find in this manual:
About This Manual
Chapter 1 —
“System Overview”, gets you acquainted with the basic
concepts of your system.
Chapter
2 — “Setting Up Your System”, shows you how to install or
upgrads your system.
Chapter 3 —
“Operaring Your System”, shows you the MS-DOS
functions and the basics of the system setup program.
Chapter
4
— “Keyboard”, explains the keyboard’s features, layout
and basic functions.
Chapter
5 — “Trubleshooring”, covers a simple troubleshooting
procedures and provides directions for additional help.
Chapter 6 —
“Appendix”, provides some technical specifications for
your system.
Chapter
7—
“Glossary”, explains some microcomputer terms.
XII
How
to Use this Manual
For the advanced user
If you are an experienced PC user and do not want to upgrade your system now soon as possible, refer to the Quick Start section at the beginning of chapter one.
Quick Startwill provide you all the information you need to set up the
hardware.
For the beginner
Chapter 1 gives you the basic information you need to use this
system. Chapter 2 provides greater detail on the hardware and on
how to upgrade your system. Your system is quite simple to set up.
However if you are unsure of yourseff, find an experienced PC hand to help out.
and
you want to start using your personal computer as
XIII
Chapter 1
System Overview
System Overview
This chapter covers:
n
the basics of your system
n
the system’s features and specifications
n
control panel features and connectors outside of the Case
n
how to maintain your computer.
If you are an experienced user who wants to get to work as soon as possible, the Quick Start section at the beginning of this chapter provides you all the information you need to set up the hardware.
If you want to upgrade your hardware later, read Section 2-2: Installa-
tion.
If you want to gain a more thorough understanding of your computer,
read the entire manual.
Note:
You may refer to Chapter 7: Glossary for definitions of computer terminology.
Chapter 1: System Overview
1
1-1 Introduction
This manual will guide you through the setup of your computer and provide the information necessary to tailor the system to fit your needs.
If you are a novice, you will be able to have your computer up and
running with a minimum of fuss. You will also gain valuable hands-on experience by following the easy step-by-step instructions. If you are an advanced user, you will appreciate the affordable power of this
system. Your system uses an Intel CorporationTM 80386SX microprocessor
which is a 32-bit CPU with a l&bit external data bus and a 24-bit
external address bus. It provides the performance benefits of a 32-bit
programming architecture and the cost savings associated with 16-bit
hardware systems. Moreover, it is 100% object-code compatible with the 386, 286, and 8086 microprocessors. Therefore, your system op­timizes both for performance and cost. It can access the world’s largest
existing microcomputer software base, including the growing collection of 32-bit software.
Quality, flexibility, and functionality are the key design features of your
system. This system provides optimum performance at an affordable
price.

Operating System

Your computer uses the MS-DOS® operating system. For more details
on this operating system, please refer to the Microsoft® MS-DOS
User’s Guide and User’s Reference. This manual is included with your
system.
‘I
2
Chapter 1: System Overview
1-2 Quick Start
If you are an experienced user anxious to start using your computer, observe the figure below to set up your personal computer. You will still want to use this manual later as a reference book.
Note: Save all packing materials in case you need to ship or resell your computer in the future.
Figure 1-1: Quick Start
Chapter I: System Overview
3
1-3 Features
•
Intel 80386SX-20 microprocessor—32-bit CPU with a 16-
bit external data bus and a 24-bit external address bus
•
Intel 80387SX-20 coprocessors optional
•
Switchable between 10MHz Normal mode and 20MHz Turbo mode by either a software-switch or a hardware switch
•
Onboard battery backup for the CMOS configuration table and a real-time clock
•
RAM subsystem of 512Kl3,640KB, 1 MB, 1.5MB, 2MB,
3MB, 4MB and 5MB
•
Eight expansion slots — six 16 bit slots and two 8 bit slots
•
Sixteen-level interrupt
•
Seven-channel DMA for disk and special I/O
•
64KB legal BIOS
•
Four-layer mainboard
•
LIM 4.0 EMS support
•
Shadow RAM support
•
Choice of either 44256 DIP or 256k/1M SIMM DRAM modules with 80ns
•
Page/Interleaved DRAM access method support
•
Power fail detect circuit
•
Address pipeline support
4 Chapter 1: System Overview
1-4 Specifications
•
CPU
•
RAM
•
ROM
• Expansion slots —
• Disk Drive(s) —
• Power Size —
—
80386SX microprocessor, 20MHz
—
Subsystem of 512KB, 640KB, 1 MB, 1.5MB, 2MB,
3MB, 4MB and 5MB
—
64KB legal BIOS
Six 16 bit slots and two 8 bit slots
Three 5.25” bays and two 3.5” bays
165mm X 150mm X 150mm
• Options —
Math coprocessor 80387SX-20
Chapter 1: System Overview
5
1-5 Example of a System Configuration
The basic system is pictured below. You may choose peripherals and upgrades for the system as your needs require. Even if your system is different from the one pictured, it should operate in the same basic manner.
Figure 1-2: System Configuration
6
Chapter 1: System Overview
1-6 System Unit
The system unit may house a motherboard, disk drives, a power supply
and an optional expansion cards.
Figure 1-3: System Unit Case
Chapter 1: System Overview
7
1-7 Control Panel
The control panel provides several useful functions which are ex­plained below. You are likely to use the front panel frequently, so let’s start there.
figure 14: Front Panel

Reset Button

The reset button allows you to restart the system without turning the lower off.
If you encounter any problems while using unfamiliar software, you can always restart quickly from the RAM test stage by pressing the reset button. Note, however, that any data which have not been saved to disk will be lost.

Turbo Button

The Turbo button allows you to change the running speed of the microprocessor to accommodate software requirements. Some
software applications must be run at a slow clock speed.

Indicator Lights

These lights indicate the operation status of your computer.
•
•
•
8
Chapter 7: System Overview
The green LED
is lit when the power is on.
The yellow LED comes on when Turbo clock speed is ac-
tivated. The red LED comes on when the hard disk is being ac-
cessed.

Keylock

Chapter 1: System Overview
The keylock enables or disables the keyboard. In the unlock mode the keyboard is activated. In the lock mode the keyboard is disabled to deny unauthorized users access to the computer.
Figure 1-5: Keylock and Two Security-Lock Keys
9

System Power Switch

The system power switch is located on the right side of the case toward the rear.
Figure 1-6: ON/OFF Switch in OFF Position
You should always be certain that the power is turned off before modifying the hardware configuration in any way.
10
Chapter 1: System Overview
1-8 Rear Panel
Chapter 1: System Overview
The rear panel has all the connections that lead from the system unit to external peripherals and the power source. Turn off all power
switches before connecting or disconnecting cables/wires!
sure that cables/wires are attached to the peripheral device first and connect to the outlet unit later. Turn the system unit power switch off
before you plug the
En-
power cable into an electrical outlet.
Figure 1-7: Rear Panel
11

Keyboard Connector

The keyboard supplied with your system may be plugged into sockets
at the back of the case. Plug the keyboard cable into the socket as shown below.
Figure 1-8: Connecting the Keyboard Cable
12
Chapter 1: System Overview

Power Cord Connector

The power supply has two receptacles: one supplies power to a monitor; the other connects to the main power source.
If your monitor power plug does not fit the system unit’s monitor power outlet, you should plug it into a wall electrical outlet.
Figure 7-9: System Power Cord
I
Chapter 1: System Overview
13

Display Port

You will also need
to connect your monitor to the system unit at a female display port in one of the expansion slots as shown on the previous page.
To attach the monitor cable to the display port, plug the cable into the port and screw the cable connector down securely.
Your computer gives you a wide range of video options to meet your
needs.
You have a wide choice of the following video standards.
- MGA (Monochrome Graphics Adapter) also referred to as Hercules
- CGA (Color Graphics Adapter)
- EGA (Enhanced Graphics Adapter)
- VGA (Video Graphics Adapter)
Refer to the figures below for mono and color display connectors.
Figure 1-10: Two Kinds of Display Connectors
14
Chapter 1: System Overview

Power Voltage Setting

The system unit can run on either 115V or 230V as indicated in Figure
1-11. The voltage setting switch is located above the monitor power outlet. Refer to Table 1-1 for power cord specifications.
Figure l-l 1: Voltage Switch
Table 1-1: Power Cord Specifications
Chapter 1: System Overview
15
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