Asserting physical presence to a trusted platform module by physically connecting or disconnecting a hot pluggable device

摘要

A compute node includes a motherboard having a trusted platform module, and also includes a port for selectively coupling a hot pluggable device into communication with the motherboard. The compute node further includes a circuit coupled to the port for detecting a change in the physical connection of the hot pluggable device to the port and for asserting a physical presence signal to the trusted platform module in response to detecting a change in the physical connection of the hot pluggable device to the port. The change in the physical connection of the hot pluggable device to the port may include either physically connecting the hot pluggable device to the port, physically disconnecting the hot pluggable device from the port, or a combination thereof.

主权项

1. A computer program product including computer readable program code embodied on a computer readable storage medium, the computer program product comprising:
computer readable program code for asserting a physical presence signal to a trusted platform module of a compute node in response to detecting a change in the physical connection of a hot pluggable device to the compute node, wherein the change in the physical connection of the hot pluggable device to the port is selected from physically connecting the hot pluggable device to the port, physically disconnecting the hot pluggable device from the port, and combinations thereof; and computer readable program code for allowing modification of one or more settings of the compute node during a predetermined period following the assertion of the physical presence signal.