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SES-2 Enclosure Management SES-2 SCSI Enclosure Services (SES) permit the management and sense the state of power supplies, cooling devices, LED displays, indicators, individual drives, and other non-SCSI elements installed in an enclosure. Almost all SES features are accessed via the SCSI SEND DIAGNOSTIC and RECEIVE DIAGNOSTIC RESULTS commands. SES2 alerts users about drive, temperature and fan failures with an audible alarm and a fan failure LED.

The Standard The Standard, controlled by the T10 technical committee, can be found at: http://www.t10.org/ftp/t10/drafts/ses2/ses2r19a.pdf

Upcoming Developments SES-2 over I2C is still utilized for storage backplanes enclosure management, although a competing method for enclosure management communication is now becoming prominent. Serial GPIO (SGPIO), provides a simpler, less expensive solution and is now more widespread that SES-2.

Existing products utilizing SeS-2 American Megatrends’ Backplane controllers, the MG9071 and MG9072 can utilize either SES-2 or SGPIO for enclosure management with a simple configuration selection. More information on MG9071 and MG 9072 can be found at: www.ami.com