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charset="us-ascii" Content-Transfer-Encoding: quoted-printable Is there any example implementation in EDK2 of the UEFI PI spec 1.6 SPI sta= ck? I'm finding there are some things that aren't defined in the spec or the he= ader support in EDK2. (at least in UDK2018) Garrett Kirkendall SMTS Firmware Engineer | CTE 7171 Southwest Parkway, Austin, TX 78735 USA AMD facebook | amd.com