Lenovo 4157VJU, 4105, 4217 manual Extended AT commands

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Command

 

Function

 

 

 

I_

I0

Display product-identification code

 

 

 

 

I1

Factory ROM checksum test

 

 

 

 

I2

Internal memory test

 

 

 

 

I3

Firmware ID

 

 

 

 

I4

Reserved ID

 

 

 

L_

L0

Low speaker volume

 

 

 

 

L1

Low speaker volume

 

 

 

 

L2

Medium speaker volume

 

 

 

 

L3

High speaker volume

 

 

 

M_

M0

Internal speaker off

 

 

 

 

M1

Internal speaker on until carrier detected

 

 

 

 

M2

Internal speaker always on

 

 

 

 

M3

Internal speaker on until carrier detected and off while dialing

 

 

 

N_

 

Included for compatibility only, provides no effect

 

 

 

O_

O0

Return to Data Mode

 

 

 

 

O1

Return to Data Mode and initiate an equalizer retrain

 

 

 

P

 

Set Pulse dial as default

 

 

 

Q_

Q0

Modem sends responses

 

 

 

Sr?

 

Read and display value in register r.

 

 

 

Sr=n

 

Set register r to value n (n = 0-255).

 

 

 

T

 

Set Tone Dial as default

 

 

 

V_

V0

Numeric responses

 

 

 

 

V1

Word responses

 

 

 

W_

W0

Report DTE speed only

 

 

 

 

W1

Report line speed, error correction protocol, and DTE speed.

 

 

 

 

W2

Report DCE speed only

 

 

 

X_

X0

Hayes Smartmodem 300 compatible responses/blind dialing.

 

 

 

 

X1

Same as X0 plus all CONNECT responses/blind dialing

 

 

 

 

X2

Same as X1 plus dial tone detection

 

 

 

 

X3

Same as X1 plus busy detection/blind dialing

 

 

 

 

X4

All responses and dial tone and busy signal detection

 

 

 

Z_

Z0

Reset and retrieve active profile 0

 

 

 

 

Z1

Reset and retrieve active profile 1

 

 

 

Extended AT commands

Command

 

Function

 

 

 

&C_

&C0

Force Carrier Detect Signal High (ON)

 

 

 

 

&C1

Turn on CD when remote carrier is present

 

 

 

44ThinkStation User Guide

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Contents ThinkStation User Guide Fifth Edition December Copyright Lenovo 2009 Contents Index Introduction IiiIv ThinkStation User Guide Important safety information ThinkStation User Guide Glare and lighting Arranging your workspaceComfort Air circulation Electrical outlets and cable lengthsSetting up your computer Connecting your computerLine Setting up your computer If you have powered speakers with an ac power adapter Turning on computer power Completing important tasks Finishing the software installationInstalling other operating systems Updating your operating systemFeatures Installing external optionsInstalling the computer on a rack shelf Updating your antivirus softwareInternal drives System management featuresInput/Output I/O features Video subsystemSoftware programs, preinstalled PowerSecurity features Operating system, preinstalledSpecifications Software provided with your Windows operating system Lenovo Solution CenterSoftware overview Software provided by LenovoAdobe Reader PC-Doctor for Rescue and RecoveryLenovo ThinkVantage Toolbox Viewing and changing settings Using the Setup UtilityStarting the Setup Utility program Using passwordsSetting, changing, and deleting a password User PasswordAdministrator Password Enabling or disabling a deviceSelecting a startup device Advanced settingsExiting from the Setup Utility program Selecting a temporary startup deviceThinkStation User Guide Installing Sata hard disk drives Installing hard disk drives and configuring RAIDInstalling Sata hard disk drives and configuring RAID Select Devices IDE Drives Setup and press EnterInstalling SAS hard disk drives and configuring RAID Creating RAID volumesDeleting RAID volumes Installing SAS hard disk drivesEntering the Marvell Bios Setup to configure SAS RAID From the RAID Config menu, select Create arrayFrom the RAID Config menu, select Delete array Configuring the Marvell Bios Setup to delete an arrayFrom the RAID Config menu, select Spare Management Updating system programs Using system programsUpdating flashing the Bios from a disc Click Downloads and drivers Updating flashing the Bios from your operating systemRecovering from a POST/BIOS update failure Symptom Action Troubleshooting and diagnosticsBasic troubleshooting Diagnostic programs Troubleshooting and diagnostics Cleaning an optical mouse PC-Doctor for DOSTroubleshooting and diagnostics ThinkStation User Guide Creating recovery media Recovery informationCreating and using recovery media Using recovery mediaPerforming backup and recovery operations Performing a backup operationClick the Restore your system from a backup icon Performing a recovery operationUsing the Rescue and Recovery workspace Creating and using rescue media Creating rescue media Using rescue mediaInstalling or reinstalling device drivers Setting a rescue device in the startup sequence Solving recovery problemsOnline Books folder Getting information, help, and serviceInformation resources Lenovo ThinkVantage ToolsUsing the documentation and diagnostic programs Safety and WarrantyHelp and service Lenovo Support Web siteCalling for service Using other servicesPurchasing additional services Appendix A. Manual modem commands Basic AT commandsExtended AT commands Guard tone disabled Command Function Modem ignores the DTR signalModem hangs up, returns to the Command Mode after Enable RTS/CTS hardware flow controlMNP/V.42/V.42bis/V.44 commands Fax Class 1 commandsFax Class 2 commands Voice commands Appendix B. System memory speed Dimm type and speed PC3-8500U Appendix C. Notices Recycling information for Brazil Television output noticeEuropean conformance CE mark Trademarks Appendix C. Notices ThinkStation User Guide Index Lenovo Solution Center Flashing Bios Antivirus software ThinkStation User Guide Page 53Y4306
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