IBM L40 SX Quick Reference Download Page 104

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Appendix B. Operating Instructions for the serial Adapter

Pin Assignments

Pin No.

Signal Name

Direction

Description

TX DATA

Out

Transmit Data

RX DATA

Receive Data

RTS

Out

Request to Send

CTS

Clear to Send

DSR

Data Set Ready

GND

Signal Ground

DCD

Data Carrier Detect

DTR

Out

Data Terminal Read

Ring Indicator

The following table shows the Serial Adapter external connector pin
assignments.

Summary of Contents for L40 SX

Page 1: ...Personal System 2 M odel L40 SX Quick Reference ...

Page 2: ...Notes ...

Page 3: ...i Personal System 2 M odel L40 SX Quick Reference ...

Page 4: ...nounced in your country Such references or information must not be construed to mean that IBM intends to announce such IBM products programming or services in your country Requests for copies of this publication and for technical information about IBM products should be made to your IBM Authorized Dealer your IBM Marketing Representative or your IBM Retailer No part of this publication may be repr...

Page 5: ...lease retain them with your proof of purchase No statements contained in this documentation shall affect the statu tory rights of consumers CAUTION This product is equipped with a 3 wire power cord and plug for the user s safety Use this power cord in conjunction with a properly grounded electrical outlet to avoid electrical shock iii ...

Page 6: ...ation of the type model and serial numbers see step 4 on page 8 The model number of this product has a preface of Type or Model The serial number of this product has a prefix of S N IBM Product Name IBM Personal System 2 Model L40 SX IBM Model Number IBM Serial Number iv ...

Page 7: ...r disassemble Dispose of it as required by your company s safety procedures or local procedures CAUTION The standby battery contains a small amount of nickel and cadmium Do not disassemble it Incinerate it or short circuit it Dispose of it as required by your company s safety procedures or local procedures CAUTION The fluorescent light contains a small amount of mercury Dispose of it as required b...

Page 8: ...cation of operation in conjunction with other products programs or services except those expressly designated by IBM are the user s responsibility IBM may have patents or pending patent applications covering subject matter in this document The furnishing of this document does not give you any license to these patents The following terms denoted by an asterisk in this publication are trademarks of ...

Page 9: ... shown below when installing moving or opening the covers of this product or attached devices The power cord must be used with a properly grounded outlet Note In the UK by law the telephone cable must be connected after the power cord Note In the UK by law the power cord must be disconnected after the telephone line cable vii DANGER ...

Page 10: ...viii Notes ...

Page 11: ...mputer 31 Power Sources 32 Using the Rechargeable Battery 33 The AC Adapter 38 Charging the Rechargeable Battery 39 Suspend and Resume Modes 40 Entering Suspend Mode 40 Returning to Resume Mode 41 Using the Reference Diskette 43 Starting the Reference Diskette 44 Backup the Reference Diskette 46 Set configuration 46 Set features 47 Set passwords and network server mode 47 Test the computer 48 Disp...

Page 12: ...tware Problems 79 Intermittent Problems 80 Reference Diskette Problems 80 Getting Service 81 Appendix A Additional Information 83 Diskette Drives and Diskettes 83 Identifying Diskette Drives 83 Identifying Diskettes 84 Formatting Diskettes 84 Write Protecting Diskettes 85 The IBM Disk Cache 86 Technical Information 86 IBM Cassette BASIC 87 IBM Power Cords 88 Appendix B Operating Instructions for t...

Page 13: ...computer and explains how to set up and start your computer This section contains Carrying the Computer 2 Caring for Your Computer 2 Before Setting Up 4 Setting Up Your Computer 6 Starting Your Computer 18 Password Prompt 19 Error Prompt 20 Diskette and F1 Prompts 20 Getting Started 1 ...

Page 14: ...ency follow these instructions To prevent damaging the LCD Avoid scratching to its surface Avoid placing anything heavy on the LCD when closed Avoid twisting or hitting to the LCD Keep your computer away from devices that generate a strong magnetic field such as a motor refrigerator or speaker Your computer is designed to operate in temperatures between 5 C and 35 C 41 F and 95 F However if you pl...

Page 15: ...int humidity icon appears on the system status display panel If you do not use your computer for a long period remove the re chargeable battery from the center compartment and keep it in a cool place Getting Started 3 ...

Page 16: ...Before Setting Up Before starting to set up check that you have the following items If any are missing or damaged call your IBM Marketing Representa tive or IBM Authorized Dealer Getting Started 4 ...

Page 17: ...The setup procedure requires making a copy of the Reference Diskette Obtain one blank diskette whose storage capacity is 2MB Megabytes 1MB 1 048 576 bytes To identify a 2MB diskette see page 84 Getting Started 5 ...

Page 18: ...Setting Up Your Computer Set up your computer as follows 1 Open the left compartment cover in order of and Getting Started 6 ...

Page 19: ...2 Connect the numeric keypad connector in order of and Open the cover of the numeric keypad Getting Started 7 ...

Page 20: ...3 Open the center compartment cover in order of and 4 Write the machine model and serial numbers on page iv Getting Started 8 ...

Page 21: ...sert the rechargeable battery into the center compartment by tilting it to clear the latch lower the battery and press it in until it clicks into place 6 Close the center compartment cover Getting Started 9 ...

Page 22: ...e AC adapter into the computer Plug the power cord into the AC adapter plug the other end into a properly grounded electrical outlet Getting Started 10 8 Push in the release buttons and lift to raise the display ...

Page 23: ...9 Adjust the display angle for your viewing comfort by moving it back and forth Getting Started 11 ...

Page 24: ...r middle position 11 Gather the following diskettes in one place The Reference Diskette A blank diskette whose storage capacity is 2MB Ensure that it is write enabled Notes a For how to identify a 2MB diskette see page 84 b For how to write enable the diskette see page 85 ...

Page 25: ...Getting Started 13 12 Insert the Reference Diskette with the label facing up and metal shutter end first into the drive Make sure the diskette clicks into place ...

Page 26: ...rn on the computer as shown in the following figure Yes Press Ctrl Alt Del After a short wait a large IBM logo appears on the screen If a screen other than the above appears or nothing appears go to step 2 on page 69 Getting Started 14 ...

Page 27: ...e a backup copy of the Reference Diskette 15 Remove the backup copy of the Reference Diskette from the diskette drive Store it in a safe place Turn off the computer Getting Started 15 Main Menu Select one 1 Backup the Reference Diskette 2 Set configuration 3 Set features 4 Set password and network server mode 5 Test the computer 6 Display revision levels Enter F1 Help F3 Exit ...

Page 28: ...fully completed remove the backup copy of the Reference Diskette d Press Ctrl Alt Delete to restart the system If you use the EMS memory under DOS 4 00 install the EMS memory manager The instructions are provided in Appendix C Installing the EMS Memory Manager on page 95 If you install the Microsoft Windows V3 0 change the line device C himem sys of CONFIG SYS file to device C himem sys M 2 during...

Page 29: ... connected The battery charges if the computer is turned on or off It takes approximately 10 hours to charge the battery if the computer is turned on or off If you have the battery quick charger use it to minimize the charging time Important This completes the setup of your computer You can set a power on password for your security Refer to Setting Passwords on page 49 Getting Started 17 ...

Page 30: ...K The computer automatically starts its self test The computer memory is now being tested The number XXXX increases until it matches the amount of usable memory 2 The following screen appears XXXX 3 One beep sounds and the speaker icon is displayed on the system status display panel at the same time The computer has successfully completed its self test Getting Started 18 ...

Page 31: ...ing The computer is requesting that you enter the power on password When a power on password is set the password prompt appears each time the computer is turned on Note There is a case in which the password prompt does not appear but you must enter the power on password It is when the computer returned to Resume Mode For more information see Power On Password on page 49 Action Type the correct pow...

Page 32: ...skette drive and press F1 Follow the instructions on the screen If the instructions do not remove the error prompt have the computer serviced Diskette and F1 Prompts Meaning Action There is no operating system installed on the fixed disk hard disk Or no diskette or an unreadable diskette is in the diskette drive When the computer is turned on it tries to read from one of these two sources Insert a...

Page 33: ... is small it can support a wide range of application programs compatible with the IBM Personal Computer AT The distinctive qualities of the Model L40 SX are Laptop size computer Battery powered High performance 32 bit microprocessor High resolution liquid crystal display LCD Memory expandable up to 18 MB High capacity fixed disk drive hard disk drive Diskette drive This section contains Basic Feat...

Page 34: ... system capabilities expanded by installing the following options Contact your IBM Marketing Representative or IBM Authorized Dealer If optional features other than the quick charger spare rechargeable battery are installed update the system configuration using the Run automatic configuration program of the backup copy of the Reference Diskette For more information see Using the Reference Diskette...

Page 35: ...ts Quick charger Is a device that completely charges the rechargeable battery in about 2 hours To charge the rechargeable battery you remove it from the computer then set it on the quick charger Serial Adapter This provides a second serial RS 232D interface for external communication Operating instructions are covered in Appendix B Operating Instructions for the Serial Adapter on page 91 Spare Rec...

Page 36: ...the external PS 2 display connector at the rear of the computer 2 Release Buttons are located on both sides of the computer Pushing these buttons causes the upper part of the computer to pop up slightly so that you can easily open the computer 3 Contrast Control adjusts the contrast of the display PS 2 is a trademark of the International Business Machines Corporation Introducing the IBM Personal S...

Page 37: ...icons see page 28 for the meaning of each symbol 9 Numeric Keypad is an auxiliary input device consisting of 17 data keys and is connected to the pointing device connector at the rear of the computer The numeric keypad has a connector to accept a mouse 10 IBM Mouse is an optional pointing device and can be connected either to the numeric keypad or to the pointing device connector at the rear of th...

Page 38: ...or scanner signal cable plugs in 4 Serial Connector is where a serial device cable plugs in It is fully programmable and supports asynchronous communications 5 Rechargeable Battery supplies the power required to the computer The rechargeable battery can be removed Note This computer has two additional batteries installed inside the computer the backup battery and the standby battery For more infor...

Page 39: ...is used the LCD display is disabled 7 System Expansion Connector offers an IBM Personal Computer AT compatible interface 8 Communication Interface Connector is reserved for the output of the serial adapter optional or the internal data fax modem optional for external communication Introducing the IBM Personal System 2 Model L40 SX 27 ...

Page 40: ...Status Display This section identifies Icons and explains each Icons are displayed on the system status display panel Icons indicate status of the computer Introducing the IBM Personal System 2 Model L40 SX 28 ...

Page 41: ...e numeric keypad Appears when the drive is reading from or writing data to a diskette Appears when the drive is reading data from or writing data to the fixed disk Appears when the temperature is outside the operating range of the computer between 5 C and 35 C 41 F and 95 F accompanied by one long and one short beeps Power off and do not use until the temperature of the computer is within the oper...

Page 42: ...starts blinking After blinking for a while this icon turns off and the computer enters Suspend Mode In this case do either of the following within 1 hour Connect the AC adapter without removing the rechargeable battery Replace the rechargeable battery of low power with the fully charged spare rechargeable battery Refer to note 3 on page 41 Charging Full Indicates that the rechargeable battery is b...

Page 43: ...g to Resume Mode 41 Using the Reference Diskette 43 Starting the Reference Diskette 44 Backup the Reference Diskette 46 Set configuration 46 Set features 47 Set passwords and network server mode 47 Test the computer 48 Display revision levels 48 Setting Passwords 49 Power On Password 49 Network Server Mode 51 Keyboard Password 52 Changing Operational Features 54 Starting the Set Features from the ...

Page 44: ...ring off This battery is not rechargeable and is IBM dealer replaceable not customer replaceable Standby battery Supplies power to the computer during replacement of the rechargeable battery However the standby battery is not charged at the time of shipment It takes 48 hours to automatically charge it using the AC adapter Therefore do not replace the rechargeable battery in Suspend Mode during tha...

Page 45: ...ipment Complete charging is essential before using The working hours of the rechargeable battery may be shorter after the first charging but this will improve after repeated charges and discharges When Not Using the Rechargeable Battery for a Long Period It you do not use the rechargeable battery for a long period remove it from the computer and keep it in a cool place The rechargeable battery sho...

Page 46: ... a spare rechargeable battery so you can immediately replace the rechargeable battery with the low charge and continue your work without delay The low battery can be replaced without losing data or saving an application The low battery can be recharged later when you are not operating the computer See Charging the Rechargeable Battery on page 39 A spare rechargeable battery part number 79F0197 can...

Page 47: ...pen the center compartment cover in order of and 3 Raise the latch to release the rechargeable battery Holding the tab pull the rechargeable battery out of the center compartment Operating Your Computer 35 ...

Page 48: ...the center compartment cover 1 Open the center compartment cover in order of and Operating Your Computer 36 Installing the Rechargeable Battery To install the rechargeable battery follow the instructions below ...

Page 49: ...Insert the battery into the center compartment by tilting it to clear the latch lower the battery and press it in until it clicks into place 3 Close the center compartment cover Operating Your Computer 37 ...

Page 50: ...z and voltages of Low range 100 125 V ac nominal High range 200 240 V ac nominal Using the AC Adapter To use the AC adapter follow the instructions below Plug the AC adapter into the computer Plug the power cord into the AC adapter plug the other end into a properly grounded electrical outlet Note If the AC adapter is connected you can operate the computer even with the rechargeable battery remove...

Page 51: ...M The rechargeable battery automatically begins charging when it is installed and the AC adapter is plugged in Charging continues even when the Model L40 SX is operating It takes approximately 10 hours to fully charge the rechargeable battery if the computer is turned off or operating Note It is normal for the rechargeable battery to be warm during or after charging ...

Page 52: ...nd Mode when one of the following happens Closing the display 1 When you close the display to successfully enter Suspend Mode Two beeps sound when entered Suspend Mode from VM86 mode One beep sounds when entered Suspend Mode from any other mode 2 To again enter Suspend Mode immediately after Resume Mode close the display about 5 seconds after ensuring that you once returned to Resume Mode by one b...

Page 53: ...cation program Ensure Resume Mode Returning to Resume Mode The computer returns to Resume Mode when one of the following happens Opening the display after closing the display to enter Suspend Mode 1 When the computer is powered only by the rechargeable battery and is in Suspend Mode if you want to use the AC adapter connect it without removing the rechargeable battery 2 If you set your power on pa...

Page 54: ... Attached devices such as a printer and a serial device may be reset or lose their configuration when returning to Resume Mode The application using the devices should be restarted after resuming 6 When you are using the trackpoint or a mouse and the computer is entering Suspend Mode stop the trackpoint or mouse operation until the computer returns to Resume Mode Do not change the diskette in the ...

Page 55: ...ow the machine level EMS memory manager to use the main storage above 1MB boundary as the EMS memory Power management device driver to use Suspend and Resume Modes under OS 2 Sample batch programs for the set features program to set or change many operational features using one command The Reference Diskette is a permanently write protected diskette You can read information from the diskette but y...

Page 56: ...ce Diskette with the label facing up and metal shutter end first into the drive Make sure the diskette clicks into place 2 Is the computer turned on Yes Press Ctrl Alt Del No Turn on the computer 3 The following screen appears Operating Your Computer 44 ...

Page 57: ...n until the following screen appears Main Menu Select one 1 Backup the Reference Diskette 2 Set configuration 3 Set features 4 Set password and network server mode 5 Test the computer 6 Display revision levels Enter F1 Help F3 Exit Follow the instructions on the screen Operating Your Computer 45 ...

Page 58: ...ams Set configuration This is used to view change back up or restore the computer configuration and to run automatic configuration During configuration the computer makes a list of what it sees as being installed and assigns those items to operate a certain way Then this configuration information is stored in the computer memory and is kept current by the backup battery even when the computer is t...

Page 59: ...nfiguration after the backup battery is removed or replaced Run automatic configuration This is used when you want the computer to automatically configure itself During automatic configuration the computer makes a list of what it sees as being installed and assigns those items to operate a certain way Set features Use this to set and change operational characteristics for your convenience This pro...

Page 60: ...ardware If a problem occurs during this testing an error message appears showing the cause of the problem and the action to take Display revision levels This displays the machine level that is used by service personnel Operating Your Computer 48 ...

Page 61: ...ecord your power on password If you forget your power on password take your system unit to IBM or an IBM authorized dealer A service charge may be incurred Do Not Forget Your Power On Password Setting a power on password helps restrict the use of the computer by unauthorized persons The password can be no more than seven characters and does not appear when typed Once the power on password is set w...

Page 62: ...he computer When the password prompt appears type your current password then press the key located to the left of the right Shift key Write down your new power on password seven characters or less and store it in a sate place Type the password and press Enter To remove a power on password 2 3 1 Turn on the computer When the password prompt appears type your current password then press the key loca...

Page 63: ...twork server mode 1 Start the backup copy of the Reference Diskette see page 44 2 Select Set passwords and network server mode on the Main Menu and press Enter 3 Select Set network server mode and press Enter Follow the instructions on the screen To remove the network server mode 1 Start the backup copy of the Reference Diskette see page 44 2 Select Set passwords and network server mode on the mai...

Page 64: ...g keyboard password program set your power on password 1 Start the backup copy of the Reference Diskette see page 44 2 Select Set passwords and network server mode on the Main Menu 3 Select Install keyboard password program and follow the instructions on the screen To Install keyboard password 1 Remove the backup copy of the Reference Diskette 2 Press Ctrl Alt Del 3 Start Programs panel of DOS app...

Page 65: ... allows you to set a keyboard password that is different from your power on password 1 Go to Start Programs panel of DOS Select File System and press Enter 2 File System panel appears Press Shift F9 3 At the c prompt type KP c and press Enter follow the instructions on the screen Notes 1 Ensure that the keyboard password program is installed on the fixed disk or diskette that contains DOS Go to th...

Page 66: ... speed Power control for communication devices You change and set them using the Set features program or sample batch programs supplied by the Reference Diskette Setting and Changing the Operational Features There are three ways to set and change the operational features To start the backup copy of the Reference Diskette each time you want to use it For more details see Starting the Set Features f...

Page 67: ...ils see Starting the Set Features Program with Commands on page 62 To copy sample batch programs from the backup copy of the Reference Diskette onto your fixed disk or diskette For more details see Using the Sample Batch Programs on page 66 Operating Your Computer 55 ...

Page 68: ... 2 Select set features and press Enter Main Menu Select one 1 Backup the Reference Diskette 2 Set configuration 3 Set features 4 Set password and network server mode 5 Test the computer 6 Display revision levels Enter F1 Help F3 Exit 3 The following screen appears Select Set features menu and press Enter Set Features Main Menu Select one Set features menu Install set features program Enter F1 Help...

Page 69: ...ssible selections one by one then press Enter to save the selection The Set Features Menu consists of two screens as shown in the following two figures Using F8 and F7 you can switch from one screen to the other to select desired items Online help is always available when you press F1 on these screens ...

Page 70: ...Operating Your Computer 58 ...

Page 71: ... battery is less than 33 If you specify Off for the Low battery alarm option you can suppress both the alarm and the speaker icon except for when you turn on the computer System audio On Off Low battery alarm On Off Specifying Display Features Selects both mode and type of display attached to the computer If you want to change the LCD display mode option and your system runs under the OS 2 first c...

Page 72: ...evices on or off Display off after 10 1 through 20 mins Fixed disk off after 5 1 through 20 mins System power off after 20 1 through 20 mins Note If 0 is specified no automatic power off is assumed System Speed Minimizes power usage by changing the processing speed You can specify two values one for the Auto automatic mode the other for the Manual manual mode The value for the Auto mode becomes ef...

Page 73: ... Off when both the Onboard Serial power and the Serial Adapter power or the Data Fax Modem power are set to Off Onboard Parallel power On Off Onboard Serial power On Off Serial Adapter power On Off Note This option is available and displayed when the serial adapter is installed Data Fax Modem power On Off Note This option is available and displayed when the internal data fax modem is installed Not...

Page 74: ...o change any of the operational features with commands you first need to copy the Set features program from the backup copy of the Reference Diskette onto your fixed disk or diskette If you have not done so follow the instructions below otherwise go to Commands on page 64 on how to use the command Copying the Set features program 1 Start the Reference Diskette to display the Main Menu see Starting...

Page 75: ...lowing screen appears Select Install set features program and press Enter Follow the instructions to copy the Set features program Set Features Main Menu Select one 1 Set features menu 2 Install set features program Enter F1 Help F3 Exit ...

Page 76: ...aning SET Performs a command Help Displays the format of all the commands available option2 option 1 First Value Second Value SET Audio ON OFf SET AUTo Battery Performance SET DISK XX minutes 0 20 SET DISplay map Color Mono SET Keyboard Click ON OFf SET Keyboard Speed Fast Med Slow SET LCd XX minutes 0 20 SET LCD CRT SET LOw battery alarm ON OFf SET MAnual 20 10 5 SET Modem OFf On SET Normal OFf O...

Page 77: ...s that you cannot specify the value SET for option 1 Indicates that this command is not supported in the OS 2 environment Usage Note When using any of these commands type only highlighted letters in the above tables Examples The following shows some examples of commands to modify the operational features Command Meaning PS2 Displays the Set Features Menu PS2 XXXX Shows the command syntax if XXXX i...

Page 78: ...nterface connectors at the same time Installing the Sample Batch Programs 1 Insert the backup copy of the Reference Diskette 2 Install a sample batch program using the copy command peculiar to the operating system DOS or OS 2 Note Both DOS and OS 2 versions are provided for each sample batch program BAT of a filename identifies a DOS version for example DEFAULT BAT while CMD of a filename identifi...

Page 79: ...roblems 80 Reference Diskette Problems 80 Getting Service 81 Solving Computer Problems Problems with your computer can be caused by software hardware or both You can test the hardware yourself using computer internal self tests and the testing programs on the backup copy of the Reference Diskette If a hardware problem occurs during this testing an error message appears with the cause of the proble...

Page 80: ...Solving Computer Problems 68 Notes ...

Page 81: ... is not working and you should have the system serviced If you are not sure about the beep turn the computer off then on again If you cannot go beyond the IBM screen have the system serviced If the testing stops and does not continue have the system serviced If the Main Menu does NOT appear the internal self test found a problem Follow the instructions on the screen If the AC adapter is not connec...

Page 82: ...ank screen plus one beep Note Any beep is always accompanied by a display of the speaker icon Check to see if 1 Both brightness and contrast controls on the LCD display are properly adjusted when an external PS 2 display is not attached 2 An external PS 2 display is turned on and the brightness and contrast controls are turned up When an PS 2 display is attached the LCD remains blank If the above ...

Page 83: ...iced Password Prompt A power on password is set To use the computer type the correct power on password and press Enter see pages 19 and 49 If the power on password is not working properly have the system serviced Error Prompt or A screen or message that is not listed above Check to see 1 What the Error Prompt means on page 20 2 That you have the backup copy of the Reference Diskette in the drive 3...

Page 84: ...Solving Computer Problems 72 Notes ...

Page 85: ...e section of the temperature icon on page 74 The diskette is now being read or written If this icon stays on check to see that 1 The diskette is good and not damaged Try a backup copy if you have one 2 The diskette is inserted correctly with label up and metal shutter end inserted first into the drive 3 Your software program is OK see page 79 If the above items are correct and this icon still rema...

Page 86: ...s icon still remains have the system serviced Excessive humidity has been detected Power off the computer or close the computer display and remove the computer from humid atmosphere If this icon still remains when the computer power is restored or the display is opened have the system serviced The numeric lock is in effect Press the Num Lock key again to release the numeric lock The caps lock is i...

Page 87: ...ave the rechargeable battery checked or the system serviced Battery Low Indicator remains on The over current protection device inside the rechargeable battery has been activated Wait for several hours and use it again If the problem still appears replace the rechargeable battery or have the system serviced Solving Computer Problems 75 Power Problems Keyboard Pointing Device Problems Problem Actio...

Page 88: ...Solving Computer Problems 76 Notes ...

Page 89: ... system serviced Solving Computer Problems 77 Printer Problems External PS 2 Display Problems Problem Action Blank screen Check to see if 1 The power cord for the PS 2 display is plugged into a working electrical outlet and into the PS 2 display 2 The PS 2 display is turned on and the brightness and contrast controls for the PS 2 display are turned up 3 The signal cable for the PS 2 display is plu...

Page 90: ...e 1 If the option came with its own testing instructions follow those instructions to test the option 2 If the option came with instructions to update the backup copy of the Reference Diskette follow the instructions supplied with the option 3 If the serial adapter is installed On is specified for the Serial Adapter power option of the Set Features Menu or the PS2 command PS2 SET SER A O or PS2 SE...

Page 91: ...are works on your computer 4 The software you are using works on another computer 5 You received any error messages when using the software program Refer to the manuals supplied with the software for a description of the messages and solutions to the problem Some programs may require you to change the LCD display mode option of the Set Features Menu shown on page 59 If the above items are correct ...

Page 92: ...e actions do not correct write down what the problem is and what the computer is doing when the problem occurs Then contact your place of purchase for help Solving Computer Problems 80 Reference Diskette Problems Problem Action Is your backup copy of the Reference Diskette current Always use your backup copy of the Reference Diskette as it should contain the current configuration information and t...

Page 93: ...essages help identify what service action is required and help provide quick and efficient service to you Note If the message have the system serviced appears on the screen have the following if any as well as the system unit serviced AC adapter Internal data fax modem Math coprocessor Memory module kit Rechargeable battery Serial adapter Trackpoint For your convenience write down service phone nu...

Page 94: ...Solving Computer Problems 82 Notes ...

Page 95: ...B diskette The Model L40 SX operates with a 1 44MB diskette drive This drive uses 1MB or 2MB 3 5 inch diskettes Other IBM computers may operate with 720KB diskette drives that use only 1 MB 3 5 inch diskettes The 1 MB diskettes can be used in both 720KB and 1 44MB diskette drives however 2MB diskettes can be used in 1 44MB diskette drives only If you intend to transfer diskettes between computers ...

Page 96: ...r formatting diskettes When using commands that format a diskette before writing for example the DOS command DISKCOPY be sure the target diskette has the appropriate storage capacity 1MB Diskettes must be formatted to 720KB You can do this with either a 720KB or 1 44MB diskette drive When you use a 1 44MB diskette drive be sure to specify a format of 720KB otherwise the diskette will be formatted ...

Page 97: ...portant diskettes Some diskettes like the Reference Diskette are permanently write protected When diskettes are write protected you can read from the diskettes but you cannot write onto them To locate the write protect switch turn the diskette over with the label facing down To prevent writing onto a diskette slide the switch down To enable writing onto a diskette slide the switch up Write Protect...

Page 98: ...BMCACHE COM copies IBMCACHE SYS from the backup copy of the Reference Diskette to the root directory of fixed disk drive C and creates or modifies the fixed disk CONFIG SYS tile to contain a statement with this format device ibmcache sys sssss E Pn sssss is the cache size in K Bytes and is specified as a decimal value The valid range is 16 to 512 if low memory is used 16 to 15360 if extended memor...

Page 99: ...uction use because no information can be saved For more information about BASIC refer to the IBM BASIC manual not included with this product Note If your computer has a fixed disk drive with an operating system already installed you will not be able to start Cassette BASIC To start Cassette BASIC 1 Remove the diskette from the diskette drive 2 Turn on the computer 3 When the F1 and Diskette Prompt...

Page 100: ... Type SVT or SJT three conductor cord a maximum of 15 feet in length and a parallel blade grounding type attachment plug rated 15 amperes 125 volts For units intended to be operated at 230 volts inside the U S Use a UL listed and GSA certified cord set consisting of a minimum 18 AWG Type SVT or SJT three conductor cord a maximum of 15 feet in length and a tandem blade grounding type attachment plu...

Page 101: ...ines Saudi Arabia Suriname Taiwan Trinidad West Indies United States of America Venezuela 6952311 Australia New Guinea New Zealand Papua 1838574 Thailand 6952320 Austria Belgium Bulgaria Czechoslovakia Egypt Finland France Germany Greece Hungary Iceland Indonesia Netherlands Norway Poland Portugal Romania Spain Sweden Turkey Yugoslavia 6952329 Denmark 6952347 Bangladesh Pakistan South Africa Sri L...

Page 102: ...Appendix A Additional Information 90 Notes ...

Page 103: ...s 92 Modem Connection 93 Introduction This appendix provides information for operating the IBM Personal System 2 Serial Adapter for Model L40 SX Note The IBM Personal System 2 Serial Adapter for Model L40 SX is an IBM service or IBM Authorized Dealer installed option Word Length 5 6 7 and 8 bit are supported Stop Bit 1 1 5 and 2 are supported Line Speed 50 through 19200 bps are supported ...

Page 104: ...ption 3 TX DATA Out Transmit Data 2 RX DATA In Receive Data 7 RTS Out Request to Send 8 CTS In Clear to Send 6 DSR In Data Set Ready 5 GND Signal Ground 1 DCD In Data Carrier Detect 4 DTR Out Data Terminal Read 9 RI In Ring Indicator The following table shows the Serial Adapter external connector pin assignments ...

Page 105: ...em Connection The example in Figure 1 shows the Serial Adapter modem connection using the cable 3 2 7 8 6 5 1 4 9 2 3 4 5 6 7 8 20 22 TX DATA RX DATA RTS CTS DSR GND DCD DTR RI Modem Cable Serial Adapter Modem Figure 1 Example of the serial Adapter modem Connection ...

Page 106: ...Appendix B Operating Instructions for the serial Adapter 94 Notes ...

Page 107: ...device driver Note The EMS memory manager is designed to support only the IBM Personal System 2 Model L40 SX How to Install the EMS Memory Manager The section describes how to install the EMS memory manager 1 Insert the backup copy of the Reference Diskette into the diskette drive 2 At the DOS prompt type COPY A MM SYS C and press Enter 3 Edit the CONFIG SYS file using EDLIN COM or other editor pr...

Page 108: ...exclude ranges as necessary and these can overlap Frame xxxx xxxx is the starting address for the 64KB EMS window frame By default the start for the EMS window frame is selected automatically by the memory manager software This parameter allows you to explicitly choose the address Specify a hexadecimal segment addresses on a 16KB boundary where no ROM or RAM resides Handle nnn nnn is the number of...

Page 109: ...ory Manager Error Messages This section provides explanations of error messages issued by the EMS memory manager Context depth must be between 1 and 32 Explanation An invalid number of contexts was specified The number specified cannot be 0 and must not be greater than 32 See page 96 for the Contexts parameter Expected equal after parameter Explanation One of the parameters on the command line exp...

Page 110: ... No 64k page frame available Explanation The EMS memory manager was unable to find a 64KB window for the page frame For the EMS memory manager to operate a 64KB window free of expansion ROM or RAM must exist above C000 Number of contexts cannot exceed 255 Explanation The number of contexts specified is above 255 The number of contexts specified must be between 3 and 255 See page 96 for the Context...

Page 111: ...ecified must be between 3 and 255 See page 96 for the Handle parameter RAM address error detected Explanation An address error was detected during the expanded memory tests RAM data error detected Explanation A data error was detected during the expanded memory tests RAM parity error detected Explanation A parity error was detected during the expanded memory tests ...

Page 112: ...Appendix C Installing the EMS Memory Manager 100 Notes ...

Page 113: ... temperature 2 29 carrier detect icon 28 29 carrying case 5 carrying the computer 2 cassette BASIC 87 change configuration 46 changing keyboard speed 59 changing operational features 54 charging the rechargeable battery 39 communication interface connector 27 configuration 46 47 connectors external PS 2 display 27 mouse 27 parallel 27 pointing device 27 printer 27 serial 27 contrast control 24 cop...

Page 114: ...tomatic mode A mode 25 manual mode M mode 25 eject button diskette 24 25 EMS memory manager 95 error prompt 19 71 software 79 expanded memory specification EMS memory manager 95 expansion slots location 26 external PS 2 display connector 27 problems 77 external PS 2 display connector 27 F fixed disk drive in use icon 28 29 fixed disk off after option 57 formatting diskettes 84 H hard disk drive in...

Page 115: ...anual option system speed 57 math coprocessor 23 memory module kit 23 memory size 18 messages KB OK 18 on the screen 71 Model L40 SX 4 model number location 8 mouse 25 connector 27 problems 72 75 76 moving the computer 2 N network server mode removing 51 setting 51 numeric keypad 4 25 numeric lock icon 28 29 O onboard parallel power option 57 onboard serial power option 57 operational convenience ...

Page 116: ...er jack 26 power management internal device power off time 60 power control for communication devices 61 power management continued system speed 60 power management device driver 16 power sources AC adapter 32 backup battery 32 rechargeable battery 32 standby battery 32 power switch 24 25 power on password changing 50 if forgotten 49 removing 50 setting 49 when required 49 power on password set 19...

Page 117: ...s continued power management device driver 16 set configuration 46 set features 47 set passwords and network server mode 47 summary 43 test the computer 48 set configuration 46 test the computer 48 69 Reference Summary 5 release buttons 24 removing the rechargeable battery 34 repair getting service 81 restore configuration 47 resume mode 40 returning 41 run automatic configuration 47 S screen blan...

Page 118: ...n 28 29 test the computer 48 testing cannot find the problem 73 computer s internal self tests 18 67 69 memory size 18 stops 69 testing 69 troubleshooting charts 70 time setting 57 trackpoint 23 troubleshooting charts diskette drive problems 72 75 display problems 70 external PS 2 display problems 77 intermittent problems 80 keyboard problems 75 76 messages on the screen 71 mouse problems 75 76 op...

Page 119: ...Notes ...

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IBM L40 SX, Quick Reference

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