Intel® Server System Server System "Emerald Ridge ... - CTL

Intel® Server System "Emerald Ridge” Integrated Baseboard Management Controller EPSIPMI Command InterfaceCodeCommandNet Function = Intel General Application (0x3E), LUN = 00Request, Response DataByte 11 – Region ChecksumDescription21hBMC RegionUpdateCompleteRequest:Byte 1 — Session Lock HandleByte 2 – Data Region.01h = SMBIOS regionAll other values are reserved.Response:Byte 1 – Completion codeC9h = Invalid Region Specified.D5h = Region is not locked.81h = Region is in use by another user.This command is utilized by the BIOS toindicate that its update of the specified dataregion is complete. This command shouldnot be used by an external application.Session Lock Handle is returned by the “BMCRegion Lock” command.23hBMC RegionReadRequest:Byte 1 – Data Region.01h = SMBIOS regionAll other values are reserved.Byte 2 – Data Length to Read.Byte 3:4 – Offset to read.Response:Byte 1 – Completion code81h = Region is in use by another user.C4h = Request is larger than maximum allowedpayload size.C9h = Invalid Region Specified.C7h = Requested data extends beyond lengthof regionByte 2 – Read Length.Byte 3 – Update CountByte 4:N – Data.This command is utilized by externalapplications to retrieve the specified dataregion.24hBMC RegionWriteRequest:Byte 1 – Session Lock HandleByte 2 – Data Region.01h = SMBIOS regionAll other values are reserved.Byte 3 – Data LengthByte 4:5 – Data Offset.Byte 6:N – Data to be written.Response:Byte 1 – Completion code81h = Region is in use by another user.C9h = Invalid Region Specified.C7h = Requested data extends beyond lengthof regionD5h = Data region unlocked.Byte 2 – Data Region.This command is utilized by the BIOS to writethe specified data region. This commandshould not be used by an external application.Session Lock Handle is returned by the “BMCRegion Lock” command.Revision 1.1Intel ® Confidential 121