Windows Vista Feature-Specific Requirements

Some of the features available in specific premium editions of Windows Vista require additional hardware. Listed below are the feature-specific requirements that you will need to take into consideration when choosing to run these features.

Feature	Requirement	Applicable Editions

TV Tuning	A TV tuner card and a remote control which complies with the Windows Vista Remote Control Specification are required for TV functionality and an optimal TV viewing experience. 1 GB of system memory is recommended for best Media Center performance.	Windows Vista Home Premium, Windows Vista Ultimate
BitLocker Drive Encryption	Requires an integrated Trusted Platform Module (TPM) 1.2 chip or USB 2.0 key	Windows Vista Ultimate, Windows Vista Enterprise
Tablet PC Features	These features require a PC which meets the Tablet PC specification that includes an electromagnetic digitizer pen.	Windows Vista Home Premium, Windows Vista Ultimate, Windows Vista Business, Windows Vista Enterprise