)
Values for Intel System Management Bus protocol codes:
 00h	Quick Command
 01h	Send Byte
 02h	Receive Byte
 03h	Write Byte
 04h	Read Byte
 05h	Write Word
 06h	Read Word
 07h	Block Write
 08h	Block Read
 09h	Process Call
 0Ah-FFh reserved
SeeAlso: #00488