High Quality Content by WIKIPEDIA articles! The MegaRAC© MG9082 is a Backplane Management Controller from American Megatrends, Inc. (AMI). Based on the most innovative management protocol in the field, SGPIO for SAS and SATA Host Bus Adapters, the MG9082 controller supports up to eight SAS/SATA drives with LED and enclosure management. The MG9082 fully supports the increasingly adopted IBPI standard for SGPIO Interpretation and LED blinking pattern as defined by SFF-8489.