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Table 5-8: S.M.A.R.T. Threshold Data Structure
0:1 S.M.A.R.T. structure version number
2 First Stored Attribute Number (i.e. “1” for RawErrorRate)
3 Threshold Value for first attribute
4:13 Reserved
14 Next Stored Attribute Number
15 Threshold Value for next attribute
16:25 Reserved
26:361
Attribute Number, Threshold and 10 reserved bytes for supported
attributes, (max 30 collected Attributes, including above)
362:379 Reserved
380:510 Vendor Unique
511 Checksum
5.1.5 S.M.A.R.T. Command Transport (SCT)
The Element SSD supports the S.M.A.R.T. Command Transport (SCT). SCT
allows the host to send commands, send and receive data, and receive status to
and from the Element SSD using log page 0xE0 and log page 0xE1. SCT uses
S.M.A.R.T. READ/WRITE LOG commands, READ/WRITE LOG EXT commands,
or READ/WRITE LOG DMA EXT commands to access the log pages. For
additional SCT information please reference ATA8-ACS.
5.2 SATA Commands
The SATA 2.6 specification is a super set of the ATA/ATAPI-7 specification with
regard to supported commands. The Element SATA SSD supports the following
features that are unique to the SATA specification.
5.2.1 Native Command Queuing (NCQ)
The Element SATA SSD supports the Native Command Queuing (NCQ)
command set, which consists of
• READ FPDMA QUEUED
• WRITE FPDMA QUEUED
Notes: With a maximum queue depth less than or equal to 32.
