Intel® Pentium® Silver and Intel® Celeron® Processors Datasheet, Volume 1


ID 633935
Date 17/06/2021 00:00:00
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In-Band Link Reset

In case the eSPI link may end up in an undefined state (for example when a CRC error is received from the slave in a response to a Set_​Configuration command), the PCH issues an In-Band Reset command that resets the eSPI link to the default configuration. This allows the controller to re-initialize the link and reconfigure the slave.