Compaq COM Express Extension - Manual (Page 19)

6 Software extensions
Copyright © COM Express™ Extension
Specification Rev 013
19
6 Software extensions
6.1 TPM support
Trusted Computing is a technology developed and promoted by the Trusted Computing Group (TCG).
The term is taken from the field of trusted systems and has a specialized meaning. "Trusted
computing" means that the computer will consistently behave in specific ways and those behaviors
will be enforced by hardware and software.
Trusted computing encompasses five key technology concepts, of which all are required for a fully
trusted system.
Endorsement Key
Secure Input and Output
Memory curtaining / Protected execution
Sealed storage
Remote attestation
COM Express ™ Extension COMs are designed to support basic TPM features.
(more information: TBD)
COM Express ™ Extension COMs are compliant to TCG 1.2. That includes efficient processing of hash
and RSA algorithms with key length up to 2048bit and random generator.
This technology is necessary for all security -sensitive applications such as those for the gaming and e-
commerce industries.
6.2 Smart Battery BIOS support
The BIOS supports smart battery to monitor the actual battery state on your system.
MARS is a Smart Battery reference System that is able to control up to two Smart batteries. The
reference system will be implemented on a customized carrier board. The core of the SBS MARS is a
dual Smart Battery System Manager. Additionally, the system contains a buck-boost converter at the
input side, a dual buck converter and a buck-boost converter at the output side. There is also a CPLD
used in MARS to get the functionality of an ATX power supply and for additional tasks.