Intel® Solid-State Drive 520 Series
February 2012 Product Specification
Order Number: 325968-001US 15
Intel® Solid-State Drive 520 Series
5.0 Supported Command Sets
The Intel SSD 520 Series supports all mandatory Advanced Technology Attachment
(ATA) and Serial ATA (SATA) commands defined in the ACS-2 and SATA Revision 3.0
specifications. The mandatory and optional commands are defined in this section.

5.1 ATA General Feature Command Set

General Feature command set (non-PACKET), which consists of:
• EXECUTE DEVICE DIAGNOSTIC
• FLUSH CACHE
•IDENTIFY DEVICE
Note: See Appendix A, “IDENTIFY DEVICE Command Data” on page2 5 for details on the sector data
returned after issuing an IDENTIFY DEVICE command.
• READ DMA
•READ SECTOR(S)
•READ VERIFY SECTOR(S)
•SEEK
• SET FEATURES
•WRITE DMA
•WRITE SECTOR(S)
•READ MULTIPLE
• SET MULTIPLE MODE
•WRITE MULTIPLE
The Intel SSD 520 Series also supports the following optional commands:
• READ BUFFFER
• WRITE BUFFER
•NOP
• DOWNLOAD MICROCODE

5.2 Power Management

The Intel SSD 520 Series supports several power management feature sets as defined
by the ATA specification: general Power Management feature set, Advanced Power
Management feature set, and Power-Up In Standby (PUIS) feature set.
The Advanced Power Management and PUIS features can be enabled or disabled using
the SET FEATURES command.
The Power Management feature set includes the following commands:
•CHECK POWER MODE
•IDLE
•IDLE IMMEDIATE
• SLEEP
•STANDBY
•STANDBY IMMEDIATE