Datasheet

SMART Command Set
1)
SMART
Command
Set
SMART Feature Register Values
D0h Read Data D5h Read Log
D1h Read Attribute Threshold D6h Write Log
D2h Enable/Disable Autosave D8h Enable SMART Operations
D3h Save Attribute Values D9h Disable SMART Operations
D4h Execute OFF-LINE Immediate DAh Return Status



If
reserved
size
is
below
the
Threshold,
the
status
can
be
read
from
Cylinder
register
by
Return
Status
command
(DAh).
2)
SMART
Data
Structure
BYTE F / V Decription
0-1 X Revision code
2-114 X Vendor specific
115-116 V Power cycle count of the device
117-361 X Vendor specific
362 V Off-line data collection status
363 X Self-test execution status byte
364-365 V Total time in seconds to complete off-line data collection activity
366 X Vendor specific
367 F Off-line data collection capability
368-369 F SMART capability
370 F
Error logging capability
7-1 Reserved
0 1=Device error logging supported
371 X Vendor specific
372 F Short self-test routine r ecommended polling time (in minutes)
373 F Extended self-test routine recommended polling time (in minutes)
374 F Conveyance self-test routine recommended polling time (in minutes)
375-385 R Res erved
386-395 F Firmware Version/Date Code
396-397 F Number of initial invalid block (396=MSB, 397=LSB)
398-399 V Number of run time bad block (398=MSB, 399=LSB)
400 V Number of spare block
401-402 X Vendor specific
403-405 F ‘SMI’