Laptop came used from a government office which apparently intentionally disabled the sound. Message 2 of 5. DVD playback is not supported in x , 32 bit mode. However, harsh environments and abuse can damage ThinkPads since they are not intended to withstand extreme temperatures, dust, shock, or other severe physical environments. The battery pack is rechargeable and is charged using the AC adapter with the system.

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Otherwise you can still go to the device manager and click on your audio device. Previous versions of these operating systems are not supported: Audio Full-duplex audio on the system board and the integrated microphone allow voice annotation and audio. Video out port TV out is standard. To view considerations or Service Hints and Tips by operating system, visit: Approximate weight is 90 g 0. MB when used with system memory, such as option cards, indicates 1, bytes.

Maximum performance mode for top performance while connected to external power. Since IBM occasionally changes hard disk drive componentry, these specifications are subject to change without notice.

Windows 95, and Windows For updated drivers have a look here. Please refer to the applicable warranty and license terms provided by the respective vendors.


The service section includes procedures for isolating problems to a FRU, related service procedures, and an illustrated parts catalog. Our commitment to the environment Lenovo is committed to environmental leadership from operations to product design and recycling solutions.

Europe – IBM ThinkPad T21

Windows is a trademark of Microsoft Corporation. To get better scrolling performance on the console you might also give additional parameters to the vesa framebuffer. Depending on model, the ThinkPad T21 notebook comes with: Battery optimized performance mode for the best balance between performance and battery life when operating on the battery. The IBM ThinkPad T21 computers are convenient to use and carry, and are a general business solution for the mobile, field or desk oriented professional.

Debian does this automatically with the default installation.

IBM T21 sound in DOS

A Li-Ion Battery Pack is shipped with the system. Message 2 of 5.

The maximum temperature when the system is on is linearly decreased from 8, ft to 10, ft. The Li-Ion battery approximate operation hours and charging hours are: ThinkPad Computers 19K is an optional publication available for a fee. The Fn key allows the user to instantly activate the following operational features by pressing the Fn key and a designated function key: Press the blue IBM button just after your computer is starting and it will launch rescue and recovery.


Windows 95, and Windows Maximum performance mode for top performance while connected to AC external power using the AC power adapter. Requires Internet access, available separately.

The user can determine how much battery power remains by using the Fuel-Guage ThinkPad utility program. Infrared The system has one fast IR transceiver up to 4 Mbps for wireless file and data transfer and printing.

The Card is completely supported by the XFree 3. Click on a heading, such as Considerations for Windows 98, to see a list of considerations or service hints and tips for your machine type.

Weight includes battery and optional travel bezel.