Updating a basic input/output system (‘BIOS’) boot block security module in compute nodes of a multinode computer
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United States of America Patent
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Mar 20, 2012
Grant Date -
Dec 31, 2009
app pub date -
May 9, 2008
filing date -
May 9, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
Updating a BIOS boot block security module in a plurality of compute nodes of a multinode computer including, for each compute node in the multinode computer, upon powering on the compute node: determining whether a new image of security module is available; if a new image of the security module is available, commanding the reset control module of the compute node to block an attempt by the security module to propagate a reset signal on the scalability bus to other compute nodes in the multinode computer; updating to the new image of the security module; upon completion of the update, resetting the compute node including attempting to propagate a reset signal on the scalability bus to other compute nodes in the multinode computer; and blocking the attempt to propagate the reset signal on the scalability bus.
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