Pseudo multi-master I2C operation in a blade server chassis
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United States of America Patent
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Jan 7, 2014
Grant Date -
Mar 14, 2013
app pub date -
Sep 13, 2011
filing date -
Sep 13, 2011
priority date (Note) -
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Abstract
A system and method are directed towards a pseudo multi-master operation on a serial bus. The pseudo multi-master operation allows multiple devices without standard multi-master functionality to operate on the serial bus as masters. In a disclosed example, the serial bus is an Inter-Integrated Circuit (I2C) bus, which is isolated when an adapter card requires access to the I2C bus, such as to update vital product data (VPD) to a memory device, and to cache the updated VPD to a chassis management module.
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