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The computer starts but does not boot.

If the computer starts but does not load your operating system,

the problem could be caused by many different factors.

First make sure you have correctly formatted your hard disk

and have properly installed your operating system on it. (See

“Hard Disk Problems” on page A-15.)

If you do not have a hard disk, insert a system diskette in

drive A and press the reset button.

The computer does not respond when you type.

If you have just turned on the computer, check the following:

Make sure your keyboard is securely connected to the

computer.

If you entered the wrong password and cannot access your

system, see “Password Problems” below.

If you are running a software program, try these procedures:

If your computer is processing a complicated command or

performing a complex task, it may take a long time to

complete its work. If the computer does not respond after a

reasonable length of time, proceed to the next step.

Press

or press the reset button to exit the

software program and reboot the computer.

If resetting the computer does not work, turn it off and wait

at least five seconds. If you do not have a hard disk drive,

insert a bootable diskette in drive A. Then turn on the

computer and try running the program again.

If none of these procedures work, check your software

documentation or contact your software manufacturer for

technical support.

A-8

Troubleshooting

Содержание ExpressStation

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Страница 2: ...uit different from that to which the receiver is connected 3 Consult the dealer or an experienced radio TV technician for help WARNING The connection of a non shielded equipment interface cable to this equipment will invalidate the FCC Certification of this device and may cause interference levels that exceed the limits established by the FCC for this equipment It is the responsibility of the user...

Страница 3: ...EPSON User s Guide ...

Страница 4: ...photocopying recording or otherwise without the prior written permission of Epson America Inc No patent liability is assumed with respect to the use of information contained herein Nor is any liability assumed for damages resulting from the use of the information contained herein Further this publication and features described herein are subject to change without notice The power on diagnostic err...

Страница 5: ...ype of power source indicated on its label If you are not sure of the type of power available consult your dealer or local power company If you plan to operate the computer in Germany observe the following safety precaution To provide adequate short circuit protection and over current protection for this computer the building installation must be protected by a 16 Amp circuit breaker Beim Anschuli...

Страница 6: ...omputer yourself Refer all servicing to qualified service personnel 14 Unplug the computer from the wall outlet and refer servicing to qualified service personnel under the following conditions A When the power cord or plug is damaged B If liquid has entered the computer C If the computer does not operate normally when the operating instructions are followed Adjust only those controls that are cov...

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Страница 9: ...ter 1 Using Your Computer Locking the Computer s Cover Using the Password Features Setting Passwords Entering Passwords Locking the Keyboard Changing or Deleting Passwords Changing the Processor Speed Entering Keyboard Commands Using the EISA System Utilities Controlling the Speaker 1 1 1 2 1 3 1 7 1 8 1 9 1 11 1 12 1 12 1 13 Chapter 2 Accessing Internal Components Special Precautions 2 1 Removing...

Страница 10: ...3 12 Removing a Math Coprocessor 3 13 Cache Module 3 13 Installing a Cache Module 3 13 Removing a Cache Module 3 14 Video RAM 3 15 Installing Video RAM Chips 3 15 Removing Video RAM Chips 3 16 Installing and Removing Disk Drives 3 16 Installing or Removing a Diskette Drive 3 17 Installing or Removing an Internal Drive 3 19 Post installation Setup Procedures 3 22 Chapter 4 Using the SCSl Subsystem ...

Страница 11: ... 14 Hard Disk Problems A 15 Software Problems A 16 Printer Problems A 17 Option Card Problems A 18 Memory Module Problems A 18 Mouse Problems A 19 Math Coprocessor Problems A 19 SCSI Subsystem Problems A 20 LAN Problems A 21 Appendix B Specifications CPU and Memory B 1 Interfaces B 2 Controllers B 3 Mass Storage Bays B 4 Keyboard B 4 Power Supply B 5 Environmental Requirements B 5 Power Source Req...

Страница 12: ... with ISA technology System Features Your computer includes many useful features to improve the speed security and expandability of your system Some of these features are listed in the sections below Built in Interfaces and Subsystems Q VGA display adapter providing standard resolutions up to 640 x 480 in 16 colors and extended resolutions up to 800 x 600 in 256 colors or 1024 x 768 in 16 colors i...

Страница 13: ...ingle inline memory modules 4MB of standard memory is installed on one 4MB SIMM Cl Socket for an optional Intel 487SX math coprocessor 486SX microprocessor models only Q Connector for an optional 128KB Intel 485 TurboCache module in addition to 8KB of internal cache built into the microprocessor a 128KB cache module is standard on the 486DX 33 model tl Four sockets for installing video RAM chips t...

Страница 14: ... the system to your work surface Integrated Design Features D A unique disk drive housing plugs directly into the main system board to minimize internal cables for drives this increases reliability and reduces electromagnetic emissions D The power supply plugs directly into the main system board and includes integrated power and reset buttons front panel lights fans speaker and external AC input a...

Страница 15: ...ed or specific memory blocks can be excluded from caching Software Your system comes with four diskettes Reference VGA Utilities 1 and 2 and SCSI LAN Utilities containing the following software EISA System Configuration program System diagnostics program MS DOS LAN drivers for the built in LAN adapter MS DOS SCSI drivers for the built m SCSI subsystem MS DOS VGA software drivers and utilities to p...

Страница 16: ...the following chapter summaries to find the sections you need Chapter 1 provides instructions for various operating procedures such as locking the computer s cover using the password features and changing the operating speed Chapter 2 describes how to remove and replace the cover and drive housing to access the internal components Chapter 3 explains how to install and remove optional equipment and...

Страница 17: ...f Epson products Assistance in locating your nearest Authorized Epson Reseller or Service Center Sales of ribbons supplies parts documentation and accessories for your Epson product Customer Relations Epson technical information library fax service Product literature with technical specifications on your current and new products If you purchased your computer outside of the United States please co...

Страница 18: ...er onto the computer to prevent unauthorized users from accessing its internal components To do this you need a padlock that fits through the holes in the lock block on the computer s back panel When the padlock is in place the screw securing the cover on the computer cannot be removed You can also secure the computer to your work surface by inserting a cable lock through the lock block holes and ...

Страница 19: ...er retaining screw Using the Password Features You can set three types of passwords to provide security for your computer D Power on password LI Network password Cl Keyboard password The power on password prevents unauthorized users from using your system by requiring you to enter the correct password every time you turn on or reset the computer 1 2 Using Your Computer ...

Страница 20: ...ssword as well However you can set a different keyboard password or set a keyboard password without setting a power on password Follow the instructions in the sections below to set enter change or delete the different types of passwords Setting Passwords There are two ways to set a power on password Cl Using the BIOS SETUP program Ll Using the EISA System Utilities To set a power on password in SE...

Страница 21: ... Now follow the steps in the appropriate section s below Setting a power on password To set a power on password follow these steps 1 Select Set Initial Power on Password at the Password Utility Menu 2 You see a prompt to enter a password of up to seven characters Follow the instructions on the screen to enter the password twice and return to the Password Utility Menu 3 Your power on password is al...

Страница 22: ...k Password instead If you want to set a different keyboard password see the next section Setting a keyboard password Once you set a power on password it automatically becomes your keyboard password as well If you want to use a different password for the keyboard you can set one with the Set Keyboard Password option This password takes effect only temporarily however when you turn off your computer...

Страница 23: ...o to step 4 3 The computer locks the keyboard and you see the following prompt KEYBOARD LOCKED The keyboard has been locked Please enter the keyboard password to unlock it Type your power on password and press IEnter 4 You see a prompt to enter a new password that will be your keyboard password Type a new password and press Enter 5 At the next prompt enter the password again You see the Password U...

Страница 24: ...set button or press F IF I you see the following prompt Enter password 2 Type your password and press Enter The screen does not display what you type After you enter the correct password you see Password OK and the computer loads your operating system If you do not enter the correct password you see Password is incorrect and another prompt to enter the password You have two more chances to enter t...

Страница 25: ...on program insert the Reference diskette in drive A 2 Log onto drive A and type SD Press m at the next two screens to bring up the Main Menu 3 Select Access System Utilities 4 Then select Password Utility You see the following Password Utility Menu Set Initial Power on Password Activate Deactivate Network Password Set Keyboard Password Lock Keyboard Return to Utilities Menu 5 Select Lock Keyboard ...

Страница 26: ...prompt as described in this section However you cannot change or delete the power on password if a network password is activated See page 1 5 for instructions on deactivating the network password and then return to this section to change or delete the power on password There are several methods you can use to change or delete a keyboard password See the appropriate section s below to change or del...

Страница 27: ...ow the steps in the section above to change or delete it Then reboot your system If your keyboard password is different from your power on password you can make both passwords the same by turning off or resetting your computer The keyboard password becomes the same as your power on password To temporarily change your keyboard password to something other than your power on password follow these ste...

Страница 28: ...lates an 8 MHz processor speed to provide compatibility with certain older application programs See your program manual to see if you need to set your processor speed to low You set the default processor or CPU speed when you ran either the BIOS SETUP program or the System Configuration utility described in your Software Guide If necessary you can temporarily change the processor speed using keybo...

Страница 29: ...ing Note You can use these commands while you are running a program However if that program uses the command for another function you cannot use it to change the processor speed If this is the case exit to your operating system command prompt and try the command or use the EISA System Utilities to change the speed as described below Using the EISA System Utilities You can temporarily change the pr...

Страница 30: ... speed change 5 Press m to return to the System Utilities Menu Then follow the instructions on the screen to exit the System Configuration program The processor speed you set remains in effect until you press the reset button turn off the computer or change it to a different setting Controlling the Speaker You can enable or disable the computer s speaker using the following three programs Ll BIOS ...

Страница 31: ...ference diskette in drive A 2 Log onto drive A and type SD Press w at the next two screens to bring up the Main Menu 3 Select Access System Utilities from the Main Menu You see the following System Utilities Menu Password Utility System Speed FAST System Speed SLOW Speaker ON Speaker OFF Cache ON Cache OFF EXIT Utilities 4 Select Speaker ON or Speaker OFF You see a message confirming the new setti...

Страница 32: ... 3 observe the following precautions to avoid damaging your equipment or injuring yourself Lt While this manual provides detailed instructions for installing a variety of optional equipment do not attempt a procedure if you have any reservations about performing it ask your dealer for assistance tl Always turn off the computer disconnect all cables to the computer and any peripheral devices and th...

Страница 33: ...devices such as disk drives avoid pulling on the cable grasp the plastic connector to remove it from a socket tl When plugging a connector or a component into a socket be sure to position it correctly Carefully align any connector pins with the corresponding holes in the socket before you push in the connector Otherwise you can severely damage the equipment Ll If you install optional equipment in ...

Страница 34: ...onnect them to ensure that you reconnect them correctly Follow these steps to remove the cover 1 If necessary unlock the computer s cover See Chapter 1 for instructions 2 Remove the retaining screw securing the cover to the computer as shown in the illustration below 3 Grasp the sides of the cover and pull it away from the computer s back panel approximately one half inch Then lift it straight up ...

Страница 35: ...s on each side of the cover as shown below Then lower the cover onto the computer Push the cover toward the back panel as far as it goes The diskette release button should extend through its hole in the front panel 2 Secure the cover onto the computer with the retaining screw 3 Reconnect all of your peripheral device or network cables then reconnect the power cord to the computer and to an electri...

Страница 36: ...mper settings Follow these steps to remove the drive housing 1 Remove the computer s cover as described on page 2 3 2 Grasp the top of the housing near both the front end and the back end then pull it straight up and out of the computer You may need to pull firmly to disconnect the disk drive riser board from its main system board connector disk drive riser board connector option card riser board ...

Страница 37: ... if you put stress on it without the support of the drive housing 3 Turn the drive housing over and set it aside Then follow the appropriate instructions in Chapter 3 to access your main system board or to install disk drives Reinstalling the Drive Housing Follow these steps to reinstall the drive housing inside the computer 1 Position the housing so the disk drive riser board connector faces down...

Страница 38: ...computer s back panel Ll The brackets on the left side of the drive housing with the notches in the edges of the option card riser board Cl The hooks beneath the diskette drive with the edge of the front panel opening notches disk drive riser board connector 3 Gently push the drive housing straight down so that the disk drive riser board connector fits straight into its connector on the main syste...

Страница 39: ...4 Replace the computer s cover as described on page 2 4 2 8 Accessing Internal Components ...

Страница 40: ...his chapter you ll find a map of your main system board so you can locate important components Before you perform any of the procedures described in this chapter read the Special Precautions on page 2 1 Then remove the computer s cover and the drive housing if necessary as described in Chapter 2 When you have finished installing or removing options replace the drive housing if necessary and the co...

Страница 41: ...Main System Board Map To locate components on your main system board use the following illustration 3 2 Installing and Removing Options ...

Страница 42: ...main system board Then follow the instructions below to change the necessary jumper settings Caution Do not install or remove any option cards when the drive housing is removed from the computer The housing stabilizes the option card riser board and you could severely damage it if you put stress on it without the support of the drive housing Also do not change the settings in the reserved jumper b...

Страница 43: ... 6 J 19 Settings IFunction Enables the update of the FLASH BIOS memory area Note Because the SETUP program and System Configuration utility write to the FLASH memory this jumper must be set to position 2 4 before you can run the programs Write protects the FLASH BIOS memory to prevent alteration of its data Function Indicates that you are using the standard 512KB size video RAM Indicates that you ...

Страница 44: ...in recovery mode if you unsuccessfully attempted to download updated BIOS information allows start of a procedure to restore the previous BIOS information l Factory setting Option Cards Your computer has two option slots which can accommodate 32 bit EISA option cards or S bit and 16 bit ISA compatible option cards Before you install an option card check the power requirements in the documentation ...

Страница 45: ...n card 1 Unpack the option card and adjust any switches or jumpers on it if necessary Check the option card instructions and any of the jumper and switch settings you viewed when you ran the System Configuration program See the Software Guide for more information 2 Remove the retaining screw from the top of the metal option slot cover and lift out the slot cover Be careful not to drop the screw or...

Страница 46: ...f the computer with the retaining screw Push the card s bracket upward against the screw as you tighten it so it is firmly secured 5 If you installed a high resolution graphics adapter card that uses a VGA feature connector see Using the VGA Feature Connector below Removing Option Cards If you need to remove an option card reverse the steps outlined above Hold the card at each end and gently rock ...

Страница 47: ...card to the interface on the card itself Check your graphics card manual for more information 3 Attach the other end of the graphics card cable to the VGA feature connector on the main system board See the main system board map on page 3 2 to locate the connector Memory Modules Your computer comes with 4MB of memory provided by one 4MB SIMM single inline memory module installed on the main system ...

Страница 48: ...ed to remove any see Removing Memory Modules on page 3 10 3 To install 32MB of memory you must remove the 4MB SIMM that came with your system and install four 8MB SIMMs when they became available Installing Memory Modules Follow these steps to install SIMMs 1 If necessary see the main system board map on page 3 2 to locate the SIMM sockets 2 Ground yourself by touching the top of the drive housing...

Страница 49: ...If it is not gently pull away the clips at each end of the SIMM pull the SIMM away from the socket and try again 5 Repeat steps 2 through 4 for each SIMM you want to install Removing Memory Modules If you need to remove memory modules from your computer follow these steps 1 If necessary see the main system board map on page 3 2 to locate the SIMM sockets 2 Remove the SIMM from the socket farthest ...

Страница 50: ...sor A math coprocessor speeds up the numeric calculations your computer performs when using some applications It also increases the speed at which graphic images are displayed on your monitor when you use certain graphics oriented software You can install an Intel 80487SX math coprocessor into socket U36 if you have the 486SX system Caution To prevent generating static electricity and damaging you...

Страница 51: ...so that the dot is in the position shown below Be sure the dot is aligned with the arrow on the main system board Caution If you insert the math coprocessor in the wrong position you could permanently damage it 3 Line up the coprocessor pins with the holes in the socket Then gently push the coprocessor into the socket pressing evenly on all sides Examine the coprocessor to be sure it is inserted a...

Страница 52: ... system board to expand the amount of cache memory The 128KB cache module is standard on the 486DX 33 model Installing a Cache Module Follow these steps to install a cache module 1 If necessary see the main system board map on page 3 2 to locate the cache module connector 2 If you have any option cards installed in your system follow the instructions on page 3 7 to remove them so you can access th...

Страница 53: ...y push in the module pressing evenly on all sides Make sure the module is inserted all the way into the connector 6 Reinstall any option cards you removed See page 3 6 Removing a Cache Module If you need to remove a cache module reverse the steps above Be sure to store the module in an anti static package preferably its original packing materials 3 14 Installing and Removing Options ...

Страница 54: ...RAM chips Installing Video RAM Chips Follow these steps to install video RAM chips 1 Remove the computer s cover as described in Chapter 2 2 Remove any option cards you have installed in the system so you can access the video RAM chip sockets See page 3 7 3 Remove the video RAM chip from its package and save the packaging in case you remove the chip later Do not touch the connector pins on the bas...

Страница 55: ...ut damaging your equipment Installing and Removing Disk Drives This section describes how to do the following Cl Install or remove a diskette drive Ll Install or remove an internal IDE or SCSI hard disk drive You can install either a third or half height SCSI or IDE 3 5 inch hard disk drive in the internal drive bay Your third height 3 5 inch diskette drive is installed in the externally accessibl...

Страница 56: ...e instructions in the next section To reinstall the drive see page 3 18 Removing a diskette drive Follow these steps to remove the diskette drive 1 Turn the drive housing over so the disk drive riser board faces upward 2 Remove the four screws securing the diskette drive to the drive housing Then firmly pull the drive out from the front of the bay to disconnect it from the disk drive riser board K...

Страница 57: ...e drive housing over so the disk drive riser board faces upward 2 Position the diskette drive so its mounting screw holes face upward and the drive connector faces into the drive housing Then slide the drive into the housing Align the drive s connector pins with the holes in the drive interface on the disk drive riser board and push the drive into the interface You may have to lift up the drive sl...

Страница 58: ...d disk drive Before you install an internal hard disk drive be sure you do the following depending on the type of drive you will install Ll On an IDE drive be sure to set any jumpers correctly see your hard disk drive documentation for instructions Cl On a SCSI drive be sure to remove the drive s terminator and set the SCSI ID appropriately for your system see Chapter 4 of this manual and your SCS...

Страница 59: ... to lift up the drive to install the screws by hand Then tighten them with a screwdriver 4 Plug the drive into the appropriate interface as shown in the illustration above The IDE drive interface is beneath the SCSI drive cable Then plug in the power cable Be sure that you plug the connectors all the way into their sockets 5 Replace the drive housing and cover as described in Chapter 2 then follow...

Страница 60: ...using by hand Gently lay the hard disk drive on the base of the housing if necessary 3 Hold the drive as you disconnect the power cable and the drive cable from the back of the drive If you are removing an IDE drive pull the drive away from the IDE interface You may need to gently rock the drive cable connector back and forth to disconnect it Then slide the drive out of the drive housing SCSI driv...

Страница 61: ...never received a low level format you need to format the disk Check the manual that came with your drive and then if necessary follow the instructions in the Software Guide to format your new hard disk You may also want to test a newly installed option Some options come with their own diagnostic test programs and you can test the following options with the System diagnostics program on your Refere...

Страница 62: ...talled your SCSI devices depending on how you configure the subsystem See the Software Guide for instructions on installing and using the drivers To set up your SCSI subsystem you need to do the following U Set SCSI ID numbers for all of your SCSI devices U Install a SCSI terminator on the last external SCSI device Ll Install or connect the internal and or external SCSI devices tl Format and parti...

Страница 63: ...y to check these options Setting the SCSI ID Numbers Each SCSI device must have a SCSI ID number from 0 to 7 including the computer s SCSI built in controller The controller is automatically set to ID number 0 You must manually assign a SCSI ID number for each of your SCSI devices The system automatically boots from the SCSI device with the lowest ID number so keep this in mind as you set the ID n...

Страница 64: ...CSI hard disk the first device on the bus is the hard disk and the last device is the controller Terminators are usually installed on the printed circuit board of a SCSI device In your computer the terminator for an internal SCSI hard disk drive is soldered onto the disk drive riser board in your system s drive housing Therefore you do not need to install a terminator if you use an internal SCSI d...

Страница 65: ...SCSI device with a built in terminator that cannot be removed it must be the first or last device on the SCSI bus Installing or Connecting SCSI Devices If you will be using an internal SCSI hard disk drive see Chapter 3 for instructions on installing the drive in your computer if it is not already installed You can connect up to seven external SCSI devices to the external port if you did not insta...

Страница 66: ...es with MS DOS you will need to install the SCSI device drivers described in your Software Guide before you can format and partition the third drive Follow these steps to format and partition SCSI hard disk drives in a system with three or more SCSI hard disk drives 1 Use the MS DOS FDISK command to format and partition the SCSI hard disk drive you will use to boot your system Remember to leave ro...

Страница 67: ...Installing the SCSI Device Drivers Check your Software Guide to see if you need to install any SCSI device drivers on your system then follow the instructions in that manual 4 6 Using the SCSI Subsystem ...

Страница 68: ...ial number of your computer and its current configuration You should also provide the version number of the computer s ROM BIOS as well as the names and version numbers of your operating system drivers and any application programs you are using You can find the serial number on the computer s back panel If you are able to use your computer run the BIOS SETUP program or the System Configuration uti...

Страница 69: ...e timer the keyboard controller and the hard disk drive every time you turn on the computer or press the reset button The RAM test program displays a count of the memory currently installed in your system If the computer finds an error it reports one of the following types of error messages Ll Power on diagnostic and boot error messages Li Error tone codes for fatal errors that lock up the system ...

Страница 70: ...iguration information please run SETUP The table below lists the power on diagnostic and boot error messages and some basic solutions to the problems Check the appropriate section s in this appendix for other solutions Power on diagnostic and boot error messages Countdown Error Message number message number 240 0007 No timer tick 200 0001 Gate A20 failure 190 0009 Timer 2 f a i l u r e 180 0010 Ke...

Страница 71: ...ions contact your dealer if problem persists Run SETUP and check all SCSI connections contact your dealer if problem persists Correct the address conflict or replace the ROM chip contact your dealer if problem persists Run SETUP and set the time and date Unlock the keyboard Press F1 to display the error message and follow the instructions on c 080 0015 Hard disk controller failure t I 090 0016 Har...

Страница 72: ... fatal the computer locks up but if the error is not serious non fatal you can continue using your computer The tables below list the fatal and non fatal error codes Error tone codes for fatal errors Error tone code Description 1 1 3 Real time clock write read failure l l 4 ROM BIOS checksum failure 1 2 1 Programmable interval timer failure DMA initialization failure DMA page register write read f...

Страница 73: ...RAM failure bit 5 1 First 64KB RAM failure bit 6 First 64KB RAM failure bit 7 First 64KB RAM failure bit 8 First 64KB RAM failure bit 9 First 64KB RAM failure bit A First 64KB RAM failure bit B 1 2 4 1 First 64KB RAM failure bit C 2 4 2 First 64KB RAM failure bit D 2 4 3 First 64KB RAM failure bit E 2 4 4 First 64KB RAM failure bit F 3 1 1 Slave DMA register failure 3 1 2 Master DMA register failu...

Страница 74: ...r or the system locks up see the suggestions below The computer does not start when you turn it on Turn off the power and check the following 2 Be sure all cables are securely connected to the computer 3 Check that the computer and monitor power cords are plugged completely into their electrical outlets LI Test the outlet to see if it supplies power The computer starts but the screen is blank See ...

Страница 75: ...d and cannot access your system see Password Problems below If you are running a software program try these procedures Cl If your computer is processing a complicated command or performing a complex task it may take a long time to complete its work If the computer does not respond after a reasonable length of time proceed to the next step CI Press r y I or press the reset button to exit the softwa...

Страница 76: ...upply logic 2 To determine the cause of the high temperature and correct the condition check for the following Cl A blocked power supply fan Make sure that nothing blocks the power supply fan vents on the sides of the computer case Check both inside and outside the computer for blockage Make sure there is ample room around your system for air circulation U Room temperatures of 104 F 40 C or above ...

Страница 77: ... system locks up If this happens press the reset button to reboot the computer and try again You can try as many times as necessary to enter a keyboard password You want to change or delete the password See Chapter 1 for instructions on changing or deleting your password You have forgotten the current power on password If you have forgotten your power on password and cannot use your computer follo...

Страница 78: ...UP program to configure your computer the last time go to step 7 If you ran the System Configuration utility go to step 8 7 If you do not have a hard disk insert a bootable diskette in drive A Then turn on the computer When you see the prompt press m to run SETUP Follow the instructions in your Software Guide to set a new power on password using the BIOS SETUP program 8 Insert the Reference disket...

Страница 79: ...tor Problems See the suggestions below if you have trouble with your monitor display There is no display on the screen U Make sure the monitor cables are securely connected to the monitor the computer and the electrical outlet Q Check that the monitor s power switch is on and that the power light on the monitor is lit If the power light is on but you still do not see anything on the screen check t...

Страница 80: ...er you have Also make sure you are using the correct monitor and display adapter for your software Diskette Problems tl Check to see if you inserted the diskette upside down or did not insert it all the way ti If the diskette is blank make sure it is formatted Lt Place the diskette in the drive of another computer and repeat the operation If this works the trouble may be in your diskette drive See...

Страница 81: ...at you ran the SETUP program or System Configuration utility to enable the built in diskette drive controller and set the diskette drive type to 3 5 inch 1 44MB See your Software Guide for instructions D If you are still having trouble test the drive by running the System diagnostic tests described in your Software Guide If the diagnostics program indicates an error contact your Epson dealer The d...

Страница 82: ... first and last SCSI devices See Chapter 4 and your SCSI drive documentation for more information Ll If you installed a non Epson hard disk drive verify that it was physically formatted This type of format is usually done by the manufacturer if yours was not you must do it yourself If the drive came with its own format utility use that program if not follow the instructions in your Software Guide ...

Страница 83: ...sk or you are receiving read write errors the disk may have a physical problem Try running the hard disk drive System diagnostic tests as described in your Software Guide Ll If the problem persists contact the dealer from whom you purchased the drive Software Problems U Make sure you are using the correct procedure for starting the program and that it is installed correctly Lt Be sure you are logg...

Страница 84: ... printer has power and is properly connected to the computer Also be sure your printer has paper in it 1 Check the printer manual for the printer s correct DIP switch or control panel settings Q If you are using more than one parallel port or more than one serial port check the primary and secondary port settings in the BIOS SETUP program or the System Configuration utility to make sure they are c...

Страница 85: ...rmation for the card Lt If necessary make sure that you used the proper cable to connect the device to the option card connector Memory Module Problems U If the memory count displayed by power on diagnostics the BIOS SETUP program or the System Configuration utility is incorrect you or your dealer may not have installed the SIMMs correctly The SIMMs may be installed in the wrong sockets they may b...

Страница 86: ...mputer s memory correctly Cl Be sure that you set the built in mouse port option in the BIOS SETUP program or the System Configuration utility correctly for your mouse port See your Software Guide for more information Ll If you are still having trouble with your mouse check the documentation that came with it for troubleshooting information or contact your mouse dealer Math Coprocessor Problems U ...

Страница 87: ...built in IDE hard disk controller and set the hard disk drive types to Not installed when you ran the SETUP program or the System Configuration utility Also make sure that you disabled ROM BIOS shadow control at addresses C0000 to CFFFF and 08000 to CBFFF to avoid a memory conflict See Chapter 1 or 2 of the Software Guide for instructions If you are not using any external SCSI devices be sure you ...

Страница 88: ...stalled the drivers correctly Ct If you installed a LAN interface on an option card see the documentation that came with the card for information about connecting it to the LAN and installing the necessary drivers a If you have trouble with your network software see the documentation that came with the software for specific troubleshooting information a If you still have trouble with the built in ...

Страница 89: ...mode type 256KB two part system BIOS including video BIOS in two FLASH ROM devices write protection available through jumper and software 512KB DRAM expandable to 1MB using four 256K x 4 fast page 60ns video RAM chips 8KB internal cache integrated into the microprocessor optional 128KB Intel 485 TurboCache module can be installed on main system board 128KB cache module standard on 486 33 model wri...

Страница 90: ...compatible bidirectional signals selectable through software Serial Two RS 232 C 9 pin D shell connectors asynchronous up to 56K baud rate SCSI Internal connector for SCSI hard disk drive on drive riser card single ended mode only terminator soldered onto riser card external 50 pin fine pitch connector on back panel for up to seven external SCSI devices six if internal device is used external SCSI...

Страница 91: ...ts one 3 5 inch 1 44MB third height diskette drive Two interfaces on drive riser board support either one IDE drive or one internal SCSI hard disk drive 3 5 inch third or half height form factor WD90C30 controller supports resolutions up to 800 x 600 in 256 colors or 1024 x 768 in 16 colors with standard 512KB video RAM supports up to 1024 x 768 in 256 colors with 1MB video RAM optional compatible...

Страница 92: ...ximum one third height 3 5 inch diskette drive bay one third or half height 3 5 inch hard disk drive bay for IDE or SCSI drive Can connect up to seven optional external SCSI devices to external SCSI connector six maximum if internal SCSI is used Keyboard Detachable two position 101 or 102 sculpted keys Layout Country dependent main typewriter keyboard numeric cursor control keypad four key cursor ...

Страница 93: ...V 2 Amps at 5V 0 3 Amps at 12V 0 3 Amps Power supply current ratings Voltage Maximum continuous current 5 Volts 20 Amps 5 Volts 0 4 Amps 12 Volts 3 Amps 12 Volts 0 4 Amps Peak surge for 15 seconds 4 5 Amps Environmental Requirements Condition Operating range Temperature 50 to 104 F 10 to 40 C Humidity 85 RH maximum with no hard disk with hard disk not to exceed 78 F 26 C wet bulb Altitude to 10 00...

Страница 94: ...AC plug L Plug type Europe 240V 10A to 16A UK 240V 10A Australia 240V 10A North America 240V 15A HD 21 HD 21 i BS 1362 BS 1363A IEC 83 IEC 127 HD 21 EN 60 320 1 ASTA mark ASC112 IEC 127 HD21 c ANSI C73 20 NEMA 6 15 P IEC 83 UL 198 6 1 L HAR 1 00 mm2 300V 10A HAR 1 00 mm 300V 10A UL CAS Listed Type SJT no 18 3AWG 300V 10A B 6 Specifications ...

Страница 95: ...inches 38 cm Height 3 inches 8 cm Weight 20 lb 9 kg without peripheral devices System Memory Map c m Configuration Built in SCSI BIOS unused if SCSI is Unused available for 1MB 0010 0000 to 07FF FFFF 127MB Extended memory EISA expansion area Specifications B 7 ...

Страница 96: ...ur applications require the video BIOS to reside at that location Do not enable remapping to 0C 0000H unless your application requires it this saves 32KB of memory for other uses The built in video BIOS is always located at 0E 0000H 3 You can shadow external ROM BIOS information to memory between 0C 0000H and 0D FFFFH using the SETUP program or the System Configuration utility The option allows yo...

Страница 97: ...II character occupies one byte of storage Many different computers printers and programs can use files transmitted in ASCII code Asynchronous A method of data transmission in which one machine sends data one character at a time to another machine at irregular intervals that do not need to be synchronized to a timing device AUTOEXEC BAT file The batch file that is executed automatically when you lo...

Страница 98: ... A binary digit 0 or 1 The smallest unit of computer storage The value of a bit represents the presence 1 or absence 0 of an electric charge Boot To load the operating system into the computer s memory Byte A sequence or group of eight bits that represents one character Cache memory A high speed type of memory buffer that stores information from base or extended memory where your system can access...

Страница 99: ...tions The default command prompt displays the current drive and directory If you are logged onto drive C the command prompt may look like this c Configuration The particular setup of a group of components A typical system configuration consists of a computer with one diskette drive and one hard disk drive connected to a monitor and a printer Control code A command generated when you hold down m an...

Страница 100: ...ads Information such as text or graphics stored or processed by a computer Default Any value or setting that takes effect when the computer is turned on or reset A default value stays in effect unless you override it temporarily by changing a setting or you reset the default value itself Device driver A file containing instructions that allow your computer to recognize and control a device Diagnos...

Страница 101: ...known as Video card DMA channel Direct Memory Access channel The pathway through which data is transferred between main storage and I O devices This transfer method requires no processor intervention DOS Disk Operating System A commonly used operating system that controls the computer s input and output functions See also Operating system Double density A type of diskette format that allows you to...

Страница 102: ...more than one computer to share the bus easily Expanded memory Memory that specially written MS DOS application programs can use with an Expanded Memory Specification EMS device driver Extended Memory Memory above 1MB that is accessed by the protected mode of the microprocessor and is available to some application programs and operating systems Fast page mode A dynamic memory mode that allows succ...

Страница 103: ... frequently used by programmers Any decimal number between 0 and 255 can be expressed by a two digit hexadecimal number High density A type of format that allows you to store more data than on single or double density diskettes A 5 25 inch high density diskette can store 1 2MB of data A 3 5 inch high density diskette can store 1 44MB of data Input output l O port See Port Interface A physical or s...

Страница 104: ...well as communicate with each other LANs are usually composed of 5 to 15 computers running special network software such as Novell NetWare Personal computers operating in a LAN environment can also be used as stand alone computers Main system board The board built into your computer containing the circuitry the computer requires to operate Mapping The method used to mark the geographic location of...

Страница 105: ...nit used to measure oscillation frequency of a computer s internal timing clock A megahertz is one million cycles per second Memory The area where your computer stores data Memory contents are stored permanently in ROM or temporarily in RAM Memory module A small circuit board that contains memory chips You can add memory modules to the main system board inside the computer to expand the computer s...

Страница 106: ...or Monitor The piece of hardware that contains the screen and displays information Monochrome monitor A monitor that displays in only one color such as green or amber as opposed to a color monitor which can display in several colors Mouse A hand held pointing device with one or more buttons When you slide the mouse over a flat surface in a certain direction the cursor moves in the same direction o...

Страница 107: ...program to create an SCI file for another computer This mode prevents you from saving the information in the FLASH memory of the computer on which you are running the program Numeric keypad The number and cursor control keys grouped on the right side of the keyboard Operating speed The speed at which the central processing unit executes commands Operating system A collection of programs such as MS...

Страница 108: ...d that tells MS DOS what particular conditions to look for and specifies information such as what data to process and where to locate or store a file Purify A method used to verify the accuracy of data transmissions by adding a bit that makes the total of the byte odd for odd parity or even for even parity Password The sequence of characters you type to access your system You can set a power on ne...

Страница 109: ...ssor speed See Operating speed RAM Random Access Memory The portion of the computer s memory used to run programs and store data RAM is erased when you turn off or reset the computer Read write head The physical device inside a disk drive that reads data from and records data on the magnetic surface of a disk Real time clock A battery powered clock inside the computer that keeps track of the time ...

Страница 110: ...rectory The top level directory in MS DOS designated by a backslash All other directories are subdirectories of the root directory RS 232 C A widely used standard type of serial interface You can connect up to two RS 232 C compatible devices to the built m ports on your computer SCI files System Configuration Information files The file s created by the System Configuration program that contain all...

Страница 111: ...ch the computer can access data Serial The type of interface that transmits data one bit at a time See also Interface and Parallel Shadow RAM The feature provided by your computer that enables it to copy ROM BIOS and video BIOS information into the RAM area of memory to speed up processing SIMM See Memory module Subdirectory A directory or group of files that branches down from another subdirector...

Страница 112: ...rts multitasking and is suited to multi user environments UNIX is compatible with a range of computers from personal computers to mainframes See also Operating system VGA Video Graphics Array A type of high resolution display adapter Video curd See Display adapter card Write protect To protect the data on a diskette from being changed by placing a write protect tab over the notch on a 5 25 inch di...

Страница 113: ...rollers diskette B 3 hard disk B 3 LAN B 3 SCSI 4 1 4 3 B 4 video B 3 Coprocessor see Math coprocessor Countdown number A 2 Cover locking Intro 3 1 1 2 removing 2 1 2 3 3 1 replacing 2 1 2 4 3 1 CPU specifications B l speed see Processor speed CTRL ALT 1 12 CTRL ALT 1 12 Customer Resource Center number Intro 6 D Depth B 7 Device cables SCSI 4 4 Diagnostics power on A 2 7 system Intro 4 3 22 A l Di...

Страница 114: ... SCSI drive connector 4 1 Height B 7 Help where to get Intro 6 A l Housing drive Intro 3 removing 2 1 2 5 6 3 1 replacing 2 1 2 6 8 3 1 Humidity B 5 I IDE hard disk drive jumpers 3 19 ID numbers SCSI 4 1 2 Interfaces built in AUI LAN port Intro 2 B 2 keyboard port Intro l B 3 monitor Intro l B 2 mouse port Intro l B 3 option slots Intro l 3 5 A 9 B 3 B 5 parallel port Intro l A 17 B 2 SCSI port In...

Страница 115: ... B 1 B 3 Microprocessor upgradable Intro 2 Monitor port Intro l B 2 problems A 12 13 Mounting frames drive 3 17 Mouse driver A 19 port Intro l B 3 problems A 19 MS DOS drivers Intro 4 N Network password Intro 3 1 2 3 1 5 1 7 1 9 O Operating system installing 4 1 4 5 6 Option card s installing 3 1 3 5 7 jumpers 3 6 power limits 3 5 A 9 B 5 problems A 18 removing 3 1 3 5 3 7 Options installing 2 5 3...

Страница 116: ...ers Intro 4 4 1 4 5 6 external device port 4 1 4 4 external devices 3 16 4 1 4 34 SCSI Small Computer System Interface external device terminator 4 1 4 3 4 FDISK 4 5 formatting drives 4 1 4 5 hard disk drive connector 4 1 hard disk problems A 15 ID numbers 4 1 2 installing devices 4 4 installing operating system on 4 1 4 5 6 internal drives installing 2 5 3 1 3 19 20 internal drives removing 2 5 3...

Страница 117: ...o 2 B 2 Troubleshooting A 1 21 U Upgradable components Intro 2 Utilities EISA System 1 3 6 1 8 13 video Intro 4 V VGA display adapter Intro l VGA feature connector 3 7 8 Video BIOS Intro 4 controller B 3 drivers Intro 4 RAM Intro 1 2 B 1 B 3 utilities Intro 4 Video RAM chips Intro 1 2 installing 3 1 3 15 16 jumper 3 16 removing 3 16 specifications 3 15 B l W Weight B 7 Width B 7 Write access preve...

Страница 118: ...Road Sec 3 Taipei Taiwan R O C Phone 886 2 717 7360 Free phone 886 080 211172 Fax 886 2 712 9164 Telex 785 24444 Epson Singapore Pte Ltd No 1 Raffles Place 26 00 Oub Centre Singapore 0104 Phone 533 0477 Telex 87 39536 Epson France S A B P 320 68 Bis Rue Marjolin 92305 Levallois Perret Cedex France Phone 33 1 4737 3333 Telex 42 610657 Epson Italia s p a V le F lli Casiraghi 427 20099 Sesto S Giovan...

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