The battery sits a bit loose, and the display closes less clamm-shell like. The Fn key allows the user to instantly activate the following operational features by pressing the Fn key and a designated function key: Under Search Results, click on Product Information. If not, you may have a differant network card in your T21, which is possible, I guess, if it was refurbished. The Ultrabay can hold a second battery.

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GB when used with hard disk drive capacity indicates Million Bytes.

Category:T21 – ThinkWiki

Battery life will vary based on many factors including operating system, screen brightness, applications, features, power management, battery conditioning and other customer preferences. For a list of these products, please see the Web site at: The ThinkPad T21 has a sleek form of about The maximum temperature when the system is jbm is linearly decreased from 8, ft to 10, ft.

IBM does not warrant these products. If there’s anything else that might be relevant, let me know and I’ll post the info.

FC2 on Thinkpad T21 (standby, APM, ACPI etc.)

Caldera OpenLinux eDesktop 2. If you agree, there are no modifications to make.

Optional hard disk drives are available accpi IBM. For example, a ThinkPad system should not be used in non-stationary environments, such as in-vehicle installations, without additional casing or shock-dissipation. The same program is 3.


If it is started connected to the AC power adapter, the processor runs at maximum speed. Some configurations, however, may not be compatible. Some software may differ from its separately available version if availableand may not include user manuals or all program function. A good dual apci setup would perhaps also work.

AP – IBM ThinkPad T21 Caldera OpenLinux eDesktop Models

MB when used with system memory, such as option cards, indicates 1, bytes. Battery optimized performance mode for the best balance between performance and battery life when operating on the battery.

Infrared The system has one fast IR transceiver for wireless file and data transfer and printing. Also, when shutting down the laptop, it stops all the services but just sits there displaying ‘Power down’ after ‘Mounting remaining filesystems read-only’ until I manually turn it off by pressing the power button for a few seconds.

Made in China vs. The keyboard has a “Fn key” which is a special key and is located in the lower left corner. Other than that, I can’t help you much I’m afraid.

I am using Xorg which comes with FC3. A specify code is not required.

Turn on your system and run the apmd program and also modprobe apm. Of course, do make sure that ACPI is installed, aptitude install acpi acpid acpi-support. I am also going to add this page to the relevant list at Thinkwiki.


Maximum performance mode for top performance while connected to AC power using the AC power adapter Battery-optimized performance mode for balance between performance and battery life when operating on battery power Note: You can choose which you want, based on what functions are more important to you. This same battery is also available as an optional feature for the T21 so that customers can order a spare battery.

Anyway, so s3switch can dynamcically turn activate external monitors, but they will only duplcate your current screen. IrDa A bit tricky, but it will work. Actual speeds depend on many factors and are often less than the maximum possible.

Next, create ext3 and wcpi partitions and boot from the FC install CD. Previous versions of these operating systems are not supported: If it is started connected to the AC power adapter the processor will run at maximum speed.