Lenovo 6490 Low speaker volume, Internal speaker on until carrier detected, Sr?, Sr=n, Detection

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Command		Function

	H1	Force modem off-hook (make busy)
		Note: H1 command is not supported for Italy

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

64User Guide

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Contents User Guide Page User Guide Page Contents Troubleshooting Important safety information Conditions that require immediate actionGeneral safety guidelines Service and upgradesPower cords and power adapters Static electricity preventionVoltage-selection switch Extension cords and related devices Plugs and outletsExternal devices BatteriesHeat and product ventilation Electrical current safety information Operating environmentLithium battery notice Modem safety informationTo connect To disconnect Power supply statement Products with television tuner options installedLaser compliance statement Example of antenna grounding Proper grounding for the cableData safety Cleaning and maintenanceUsing headphones or earphones Additional safety information Introduction Xviii User Guide Arranging your workspace ComfortGlare and lighting Air circulationElectrical outlets and cable lengths Setting up your computer Connecting your computerUser Guide Setting up your computer User Guide 1394 Turning on power Finishing the software installationInstalling other operating systems Completing important tasksUpdating your operating system Updating your antivirus softwareUser Guide Installing options FeaturesVideo subsystem Operating systems preinstalled varies by model type Specifications DimensionsWeight EnvironmentAvailable options Tools requiredInstalling external options Handling static-sensitive devicesLocating the connectors on the front of your computer Locating the connectors on the rear of your computer Connector Description Obtaining device driversRemoving the cover Locating components Identifying parts on the system board Installing options User Guide Installing memory What to do nextInstalling adapters What to do next Installing internal drives Drive specificationsInstalling options Installing a drive in bay 1 or bay Installing options Connecting drives Connecting the first optical driveConnecting a serial ATA hard disk drive Installing security featuresIntegrated cable lock Password protection Changing the batteryPadlock Erasing a lost or forgotten password clearing Cmos Replacing the cover and connecting the cables User Guide Recovering software Creating and using the Product Recovery discPerforming backup and recovery operations Using the Rescue and Recovery workspace Creating and using rescue media Creating and using a Recovery Repair diskette To create rescue media, do the followingRecovering or installing device drivers Setting a rescue device in the startup sequence Solving recovery problemsUser Guide Using the Setup Utility Starting the Setup Utility programViewing and changing settings Using passwordsUser Password Administrator PasswordSetting, changing, and deleting a password Using Security Profile by DeviceSelecting a startup device Selecting a temporary startup deviceChanging the startup device sequence Advanced settings Exiting from the Setup Utility programUsing system programs Updating flashing Bios from a disketteUpdating system programs User Guide Troubleshooting and diagnostics Basic troubleshootingSymptom Action Diagnostic programs PC-Doctor for Windows PC-Doctor for DOSRunning diagnostics from the CD or diskettes Cleaning the mouse PC-Doctor for Windows PEOptical mouse Non-optical mouse1 Retainer ring 2 Ball 3 Plastic rollers 4 Ball cage Getting information, help, and service Information resourcesOnline Books folder ThinkVantage Productivity CenterAccess Help Safety and warrantyHelp and service Using the documentation and diagnostic programs Calling for serviceUsing other services Purchasing additional servicesAppendix A. Manual modem commands Basic AT commandsLow speaker volume Set Pulse dial as defaultSet Tone Dial as default Internal speaker on until carrier detectedExtended AT commands MNP/V.42/V.42bis/V.44 commands Fax Class 1 commands Fax Class 2 commandsVoice commands Appendix A. Manual modem commands User Guide Appendix B. Notices Television output notice TrademarksIndex Page Page Part Number