Socket U11
Socket U12
Total memory
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Important Safety Instructions
1.Read all of these instructions and save them for later reference
2.Follow all warnings and instructions marked on the computer
4.Do not spill liquid of any kind on the computer
5.Do not place the computer on an unstable cart, stand, or table
Do not insert objects of any kind into this product through the cabinet slots
A.When the power cord or plug is damaged
B.If liquid has entered the computer
D.If the computer has been dropped or the cabinet has been damaged
E.If the computer exhibits a distinct change in performance
Instructions Importantes de Sécurité
Bien suivre tous les avertissements et les instructions indiquks
sur
4.Ne jamais renverser un liquide d’aucune sorte sur l’ordinateur
5.Ne pas placer l’ordinateur sur un chariot, un support, ou une table instable
10.S’assurer que le cordon d’alimentation de l’ordinateur n’est pas effrs
A.Lorsque le cordon d’alimentation ou la prise sont endommagk
B.Lorsqu’un liquide s’est infib& dans l’ordinateur
D.Lorsqu’on a &hap@ l’ordinateur ou que l’on a endommage le boitier
E.Lorsque l’ordinateur demontre un changement note au niveau de sa performance
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Introduction
Optional Equipment
Memory
OverDrive Module
Math Coprocessor
Video Daughterboard
VGA Utilities
Chapter 4 explains how to install and remove disk drives
Chapter 5 provides instructions for running system diagnostics
Chapter 6 gives the procedure for formatting a hard disk
Chapter 7 contains troubleshooting tips
Appendix A lists the specifications of your computer
Where to Get Help
Assistance in locating your nearest Authorized Epson Reseller or Service Center
aCustomer Relations
aUser group information
6introduction
Using Your Computer
Turning On the Computer
Never turn on the computer with a protective card in a
Follow these steps to turn on your system:
access light
Turning Off the Computer
Whenever you turn off your system, follow these steps:
1.Save your data and exit any program you are using
3.Remove any diskette(s) from the diskette drive(s)
Using Disks and Disk Drives
Cl Use different types of diskettes and diskette drives
QCare for your diskettes and diskette drives 0 Write-protectdiskettes
0 Insert and remove diskettes
0 Use a single diskette drive system
How Disks Store Data
Types of Diskette Drives
You
Drive and diskette incompatibilities
Because of the type and size differences, you cannot use a
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Caring for Diskettes and Diskette Drives
Follow these basic precautions to protect your diskettes and avoid losing data:
P Remove all diskettes before you turn off the computer
Q Never wipe, brush, or try to clean diskettes in any way
Write-protectingDiskettes
To remove the write protection, peel off the write-protecttab
or switch so they are
Inserting and Removing Diskettes
remove all diskettes before you turn off the computer
Using a Single Diskette Drive System
Formatting Diskettes
Making Backup Copies
Using a Hard Disk Drive
PYour computer can perform all disk-relatedoperations faster
Backing up the hard disk
caring for your hard disk
Special Keys
or Program
Resetting the Computer
want
Caution
There are two ways to reset the computer:
If you are using
locking the Computer’s Cover
Your
Using a Password
1.If you do not have a hard disk, insert your system diskette in drive A
2.Turn on or reset the computer. You see a number and the key prompt:
If you do not know the correct password, see “Password Problems” in Chapter
Changing a Password
To change your password, follow these steps:
123/ABC
The screen does not display what you type
Deleting a Password
To delete your password, follow these steps:
123
Using Your Computer as a Network Server
Using a Password in Network Server Mode
Follow these steps to enter your password:
Type your password and press [burl. The screen does not display what you type
Changing
If you are using a
There are three ways to change the processor speed:
0Run the SETUP program P Enter a keyboard command Cl Run the ESPEED program
Entering Keyboard Commands
[cbll[m
[mJIm1[-1
The speed setting remains in effect until you do the following:
LI Press [cbl) (Alt) 66)or the RESET button
Using the ESPEED Program
To run SPEED, e the following at the MS-DOScommand prompt and
You see the following messages:
[* [ut) [A]
Entering the ESPEED command in a butch file
Changing the Speaker Volume
Follow these steps to run SETVOL:
2.At the command prompt, type the following and press [En*rl:
SEWOL
[tl
l-T-1
Preparing the Hard Disk for Moving
1-36Using Your Computer
Using AUTOEXEC.BAT and Other Batch Files
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Accessing Internal Components
Special Precautions
Removing the Cover
Remove the computer’s cover to do any of the following:
0 Change jumper settings
0 Install or remove option cards
0Install or remove single inline memory modules (SIMMs)
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Removing the Front Panel
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Removing the Subassembly
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Replacing the Subassembly
Follow these steps to replace the subassembly:
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Replacing the Front Panel
Follow these steps to replace the computer’s front panel:
1.Turn the computer so you are facing the front
Rep/acing the Cover
Follow these steps to replace the computer’s cover:
1.Turn the computer so you are facing the back panel
Lock the cover onto the computer, if desired. (See Chapter 1 for instructions.)
Installing and Removing Options
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Main System Board Map
Jumper Settings
0Set your monitor type to monochrome or color
Setting the Jumpers
Refer to the table above to identify
A jumper’s
Option Cards
see “Removing an Option Card” on page 3-10for instructions
CI You cannot install an 8-bitcard that has an additional tab along the bottom
Installing an Option Card
Follow these steps to install an option card
4.Holding the card by the top comers, position it over the slot as shown below
Examine the card to verify that it is fully seated in the slot
Installing and Removing Options
Removing an Option Card
If you need to remove an option card, follow these steps:
Memory Modules (SIMMs)
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Installing SIMMs
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Removing SIMMs
2.If you are removing a second SIMM, repeat the procedure described above
Replacing the CPU Card
cl 486SX/25
0486DX/33 Q 486DX2/66
Removing the CPU Card
Follow these steps to remove the CPU card from your computer:
If you are installing a new CPU card, follow the instructions on the next page
Options
Insfalling the CPU Card
Checking the jumper settings
For general information on setting jumpers, see “Jumper Settings” on page
Follow these steps to install the CPU card in your computer:
Installing on OverDrive Module
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6.Reinstall the CPU card as described on page
Installing a Math Coprocessor
The following table lists which math coprocessors are available
Installing the Intel 487SX/25 Microprocessor
5.Reinstall the CPU card as described on page
installing a Weitek 4167 Coprocessor
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Replacing the video Daughterboard
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Using the VGA Feature Connector
Installing and Removing Drives
Choosing the Correct Drive Bay
Installation/Removal Sequence
Checking the IDE Hard Disk Drive Jumpers
Check the jumper settings if you are doing any of the following:
D Installing your first hard disk drive
0Removing one hard disk drive and leaving another in your computer
0 Installing a second hard disk drive
Where to Go Next
Installing a Drive in the External Bay
Removing Drives
Follow these steps to install a disk drive in the external bay:
0 Small wrench
5.Loosely secure the drive to the drive bay temporarily with the two nuts
Connecting the Cables
Follow these steps to connect the cables:
labeled FDD 1
labeled FDD
TAPE DRIVE ONLY
Make sure the holes fit over all the pins and then push in the
Connector
could severely damage your drive when you push in the
Caution
6.If you installed a hard disk drive, skip to step
Removing a Drive From the External Bay
Follow these steps to remove a drive from the external bay:
3. Grasp the front of the drive and pull it out of the bay
4.If you removed a hard disk drive, go to step
slot cover
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2.Remove the two screws securing the mounting frames to each side of the drive
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P5
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Replace the computer’s cover as described in Chapter 2; then see
Hard
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Replace the computer’s cover as described in Chapter 2; then see
Post-installationProcedures
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Running System Diagnostics
Starting the Program
Follow these steps to start the System diagnostics program:
diagnostics program:
1.Insert the Reference diskette in drive A and turn on or reset the computer
2.At the A : prompt, type DIAG and press (br9rl
Deleting Tests
To remove devices from the Items Detected list so the System
diagnostics program cannot test them, follow these steps:
Press
You
Adding Tests
If you want to add devices to the Items Detected list, follow these steps:
1.Press [t) or [to]toectAdd Tests. You see the Add menu, such as the following:
Drive B
LPT1 Printer Test
Running Tests
Follow these steps to run a test from the Execute menu:
System Memory
How often to repeat test
HARD DISK DRIVE(S) AND CONTROLLER
Resuming From an Error
System Diagnostic Tests
Error Messages
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Formatting a Hard Disk
Follow these steps to start the hard disk formatting program:
- Destructive
0 - E x i t
checksthe disk for unflagged bad tracks without destroying data. You
Formatting a New Disk
Reformatting a Used Disk
To reformat a disk you have been using follow these steps:
4.Run the Format option to format the disk
selecting an Option
Use the arrow keys
([t)
[-i-l,[tl
[T]
1.Select Y to scan the disk or N to skip the scanning process
Scanning for flagged bad tracks
Head : mm Cylinder : nnnnn
Scanning finished
Count of tracks flagged bad
3. Next you see this prompt:
Accept recommended skewed sectors per head in format : 0 ? (Y/N)
recommended
(Y/N)
To enter a new value, select N. You see the following prompt:
Modifying the Defective Tack Table
To add a bad track, follow these steps:
1. Press [Al. You see this prompt:
Type the number of the
containing the bad track and press
Formatting the Disk
When you are ready to start formatting the disk, you see the following warning:
want to start
select Y to Cancel formatting or N to continue
If you continue with formatting, you see:
Option 2, Destructive Surface Analysis
from the Hard Disk Format Menu. You see these messages:
Analyze Hard Disk <Drive II:
Read/Save/Write/Read/Restore/Read
check for all tracks
As the program checks each track, it decreases the cylinder numbers to zero
Analysis finished
Count
tracks flagged bad
Count of tracks with write, read
Option 3, Non-destructiveSurface Analysis
Non-destructive
surface analysis
Analyze Hard Disk <Drive n:
Read/Verify check for all tracks
Exiting the Program
Troubleshooting
When the computer performs its
RESET
Error Messages
If the error is not serious, you see this prompt:
Resume = <F1> key
Write down the error message and press [ to continue
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The Computer Won’t Start
Troubleshooting
The Computer Does Not Respond
3.Did you enter the correct password? See “Password Problems,” below
If your computer still does not respond, you can reset it using the
rJI) I=]
RESET
latch-off
Restoring the Power Supply
To restore normal power supply operation, follow these steps:
If the power supply shuts off again, contact your dealer
Password Problems
If you have any trouble using your password, try the following:
Accessing Your System
1.Turn off the computer
3.Turn on the computer
4.When you see Press <F2> to run SETUP, press [F2J
To disable password checking, highlight
Keyboard Problems
For monitor problems, check the following:
7-12Troubleshooting
Diskette Problems
6.Did you receive one of the following MS-DOSerror messages
Disk Drive Error: Abort, Ignore, Retry
Disk error reading drive d:
Disk error writing drive d:
If you see no
Diskette Drive Problems
Hard Disk Problems
Q Installing the drive
Li Preparing the drive for use
P Accessing data on the drive
If your hard disk has data on it, always be sure to back up
Installing the Drive
If you have problems with a newly-installeddrive, check the following:
1.If your dealer installed the drive, consult that person about the problem
Preparing the Drive
Partition and format the drive for your operating system. If you are using
If you cannot identify the problem, contact your dealer
Accessing Data on the Drive
Software Problems
If you have trouble with an application program, try the following:
If you entered an
a Hold down [ and press [c)
press [c)
Printer Problems
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Option Card Problems
Is the option card installed correctly? Make sure it is
Memory Module Problems
If the memory count displayed by the
Math Coprocessor Problems
Run the SETUP program to make sure the math coprocessor is listed as
Specifications
Memory
ROM
video RAM
Shadow RAM
Module
Controllers
Hard disk
Interfaces
Option slots
Keyboard
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Environmental
Requirements
Physical Characteristics
Width
17 inches (432 mm)
Depth
16 inches (406 mm)
Power Source Requirements
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Extended VGA modes
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Glossary
Access speed
ASCII
Asynchronous
AUTOEXEC.BAT file
Automatic speed
Backup
BIOS
CGA
Character
Chip
CMOS
Code
Command
Command prompt
Configuration
Control code
Conventional memory
Coprocessor
CPU
Cursor
Cylinders
Data
Default
Device
Device driver
Diagnostics
See
Disk
Disk drive
Display adapter card
DOS
Double-density
Drive designator
The letter name of a disk drive, followed by a colon-forexample, C :
EGA
Expanded memory
Extended memory
File
Filename
Filename
Fixed disk
Format
Hexadecimal
High-density
Jumper
Key disk
Kilobyte (KB)
LIM EMS
Main system board
MCGA
MDA
Megabyte (MB)
Megahertz (MHz)
Memory
Monitor
Multifrequency monitor
server
Operating speed
Operating system
Option card
OS/2
Parameter
Parity
Partition
Password
Pathname
Port
Prompt
RAM
Read
Read/write head
Real-timeclock
Refresh rate
Reset
Roof directory
RS-232C
Sector
Self test
see Power-ondiagnostics
Software
Subdirectory
Switch
System diagnostics
System diskette
VGA
Write-protect
Index
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Jumpers
Map
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Epson Overseas Marketing Locations