Extended AT commands | IBM 2194, 6345, 2193 manual

Extended AT commands

Table 3: Extended AT commands

Command	Function

&C0	Carrier Detect (CD) always on

&C1	Turn on CD when remote carrier is present

&D0	DTR signal ignored

&D1	Modem returns to Command Mode after DTR toggle

&D2	Modem hangs up and returns to the command mode after DTR toggle

&F	Load factory default configuration

&G0	Guard tone disabled

&G1	550 Hz guard tone enabled

&G2	1800 Hz guard tone enabled

&V	View active profiles

B-10IBM Personal Computer User Guide

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IBM 2194, 6345, 2193 manual Extended AT commands

Contents

Personal Computer Types 2193, 2194,Page Second Edition April Page Contents Power management features Bios Setup configuration Vii Adding and removing adapter cards and drives Adding and replacing system board components Part 6. Technical reference Appendix A. Specification tables Appendix B. Modem information Appendix C. Monitor terminology Appendix D. Warranty IndexPage Highlighting SymbolsConventions used in this book Highlight Purpose Installation Safety informationXiii Safety while working with hardware To avoid shock hazard Disconnecting your computer Lithium battery notice Regulatory safety notice for the CD-ROM and DVD-ROM drive Laser compliance statement Xvii Installation Consignes de sécurité Consignes de sécurité lors de la manipulation du matériel Xix Consignes de sécurité relatives au modem Consignes de sécurité pour l’unité de CD-ROM et de DVD-ROM Consignes relatives à la pile au lithiumXxi Conformité aux normes relatives aux appareils laser North American FCC and telephone company requirements Regulatory noticesXxiii Canadian Department of Communications certification label Xxv IBM Personal Computer machine types 2196, 2197, Trademarks European Community Directive Conformance StatementXxvii Year 2000 Notice Information Product Xxix Page Arranging your work area ErgonomicsArranging a comfortable and productive work area Xxxi Positioning the monitor Choosing a chairPositioning the keyboard Positioning the mouse Xxxiii Xxxiv IBM Personal Computer User Guide Using this book on Part 1. Learning about this bookPage Using this book Using this bookHow this book is organized Part 3 Controlling system settings 2IBM Personal Computer User Guide Part 5 Troubleshooting Where to find more information 4IBM Personal Computer User Guide Express Maintenance on HelpWare support and services onPart 2. Support information Page HelpWare support and services HelpWare support and servicesWhat is IBM HelpWare? What do I do first? Printed documentation What can I do on my own?Online documentation Diagnostics Software Electronic support How do I get help electronically?Internet What help can I get by telephone? How and when do I contact the IBM PC HelpCenter?Day Up and Running support Additional support Hardware warranty serviceSoftware technical support 6IBM Personal Computer User Guide Before you call 8IBM Personal Computer User Guide Purchasing additional HelpWare services How and when do I purchase additional support?You can purchase support in the following ways Flat rate 10IBM Personal Computer User Guide International Warranty Service Not Available To order additional support packages 12IBM Personal Computer User Guide Express Maintenance Express Maintenance 2IBM Personal Computer User Guide Bios Setup configuration on Part 3. Controlling system settingsPower management features on Getting started onPage Getting started Getting started Controlling monitor settings Getting the best performance from your monitor Changing display settings Power saver featureCustomizing display properties Tips for choosing display properties Using the Windows Help function to select display properties Monitor Controlling volume Adjusting the speaker volume Adjusting the headphone volume 8IBM Personal Computer User Guide Getting ready to print Setting up communications Connecting your modem to the telephone network Configuring your communications software IBM Internet Connection Services Configuring your computer for a connection to the InternetMicrosoft Network Internet Connection Wizard Using the Rapid Access II keyboardClick on the Internet Connection Wizard option 14IBM Personal Computer User Guide Power management features Power management features Using the software shutdown feature Software shutdown Using the power button Using the Windows 98 Start menuSystem Standby When the system is in normal on state Using the Power Management feature in Windows Monitor standby Bios Setup configuration Bios Setup configuration Configuration/Setup Utility overview Bios Setup configuration When the computer is on Entering SetupWhen the computer is off Working with the Setup menus Configuration/Setup Utility menu Viewing system information and product data F10 Enter Esc Changing parameter settings Loading the default settings Canceling changes Exiting Setup Setup parameters Devices and I/O Ports USB Setup IDE drives setup Video Setup PS/2 Mouse Detect Function Start Options Boot Up Floppy Seek Quick Power-On Self TestBoot Up NumLock Status Gate A20 Option Typematic Rate SettingTypematic Rate Chars/Sec Halt On Typematic Delay MsecDate and Time Cache Control Advanced SetupPower Management Setup ROM Shadowing Video Off Method Activity Monitor 18IBM Personal Computer User Guide Automatic Power On Clock Generator ConfigurationSet Password Acpi suspend Type 20IBM Personal Computer User Guide Using other configuration utilities 22IBM Personal Computer User Guide Preparing to upgrade on Part 4. Upgrading and replacing hardwarePage Preparing to upgrade Preparing to upgrade For conflicts with system resources used by adapter cards Evaluating your new hardwareFor conflicts with other system resources Planning your hardware changes Recording your changes Using the Windows 98 Device Manager Using SetupResolving resource conflicts Opening the system unit Taking safety precautionsRemoving the top cover 6IBM Personal Computer User Guide Looking inside the system unit 8IBM Personal Computer User Guide Adding and removing adapter cards and drives Adding and removing adapter cards and drives Setting modem card configurations Resolving conflicts with installed adapter cardsClick on View devices by type Working with the hardware in the system unit Installing adapter cards Adding and removing adapter cards Removing adapter cards Identifying signal cable connectors Removing and adding drives Guidelines for connecting IDE/ATA signal cables 8IBM Personal Computer User Guide Guidelines for connecting diskette interface signal cables Removing the diskette drive Removing the CD-ROM drive Removing the hard disk drive Installing a drive in Bay 14IBM Personal Computer User Guide For adapter cards Updating the Cmos settings in SetupFor Drives 16IBM Personal Computer User Guide Adding and replacing system board components Adding and replacing system board components Identifying system board parts machine type Processor FAN, processor and heat sink U5 Locating system board jumpers and connectors machine type Identifying system board parts machine type 2194 Processor FAN, processor and heat sink J1 Adding and replacing system board components Identifying adapter card connectors Card connector and jumper informationSetting a jumper Installing memory modules Upgrading the system memory Removing memory modules Verifying the system memory Replacing the system battery 12IBM Personal Computer User Guide Updating the Cmos settings in Setup 14IBM Personal Computer User Guide Part 5. Troubleshooting Diagnosing and recovering from problems onPage Diagnosing and recovering from problems Diagnosing and recovering from problems 10-2IBM Personal Computer User Guide Before you panic some simple fixesYes Yes, more than once Dram 10-4IBM Personal Computer User Guide Is anything displayed on the monitor? Step Is anything displayed on the monitor? Quick problem solving chart 10-6IBM Personal Computer User Guide Solving hardware problems Solving hardware and software problemsHardware problems 10-8IBM Personal Computer User Guide Diagnosing and recovering from problems 10-10IBM Personal Computer User Guide Insert the Recovery and Diagnostics CD-ROM into 10-12IBM Personal Computer User Guide Solving software problems Software problems 10-14IBM Personal Computer User Guide Solving modem problems Modem problems 10-16IBM Personal Computer User Guide Error codes and messages Error codes and messages 10-18IBM Personal Computer User Guide 1783 10-20IBM Personal Computer User Guide IBM Diagnostic ProgramsStarting PC-Doctor for Windows Select PC-Doctor for Windows Click PC-Doctor for Windows Starting the IBM Enhanced Diagnostics program Reinstalling device drivers Recovering factory-installed programs and files 10-22IBM Personal Computer User Guide Diagnosing and recovering from problems 10-24IBM Personal Computer User Guide Part 6. Technical reference Appendix A. Specification tables on page A-1Appendix D. Warranty on page D-1 Appendix B. Modem information on page B-1Page Specification tables A-1 Appendix A. Specification tablesMemory module placement Memory module placement 2IBM Personal Computer User Guide Memory map Specification tables A-3Memory map System input/output addresses System input/output addresses Specification tables A-5 System interrupts System interrupts DMA channel assignments Specification tables A-7DMA channel assignments Serial port addresses Serial port addresses Specification tables A-9 Connector functionsConnector functions 10IBM Personal Computer User Guide Specification tables A-11 KBMS1 Appendix B. Modem information Modem featuresModem information B-1 2IBM Personal Computer User Guide Operating your modem Using the Auto Answer featureModem information B-3 Disabling Call Waiting # or *70,,,complete telephone number Command format Modem commandsExecuting commands Modem information B-5 AT commands AT commands Modem information B-7 Sr=n 8IBM Personal Computer User Guide Modem information B-9 Detail for +MS ControlsDetail for +MS Controls Extended AT commands Extended AT commands 42bis commands 42bis commandsModem information B-11 Modem response codes Basic Response codes To read the value of an S register RegistersModem information B-13 To change the value of an S register Register Function Range/units Default Registers Monitor terminology C-1 Appendix C. Monitor terminologyMonitor terms and definitions 2IBM Personal Computer User Guide Warranty statements Appendix D. WarrantyWarranty D-1 2IBM Personal Computer User Guide Warranty D-3 Warranties of ANY Kind 4IBM Personal Computer User Guide Warranty D-5 6IBM Personal Computer User Guide Warranty D-7 8IBM Personal Computer User Guide Warranty D-9 Part 2 Country-Unique Terms Asia Pacific Warranty D-11 EUROPE, Middle EAST, Africa Emea Following terms apply to the country specified Warranty D-13 North America Index Index Simple fixes 10-2 software problems Index Index