User guide
900S Series Industrial Grade CFast Product Manual v2.0Cactus Technologies
®
20
Cactus Technologies CFast card support S.M.A.R.T. Status and attribute reporting functions as
determined by the value of the Feature Register. The S.M.A.R.T. subcommands supported are as
follows:
S.M.A.R.T. Support06
S.M.A.R.T. Enable Operations
6.1.
Code Sub Command
D0 Read Data
D1 Read Attribute Thresholds
D2 Enable/Disable Attribute Autodave
D5 Read Log
D6 Write Log
D8 Enable Operations
D9 Disable Operations
DA Return Status
E0 Read Remap Data
E1 Read Wear Level Data
The general format for issuing a SMART command is as follows:
Register 7 6 5 4 3 2 1 0
Feature Subcommand code
Sector Count
Sector Number
Cyliner Low 4Fh
Cylinder High C2h
Drive/Head 1 1 1 D
Command B0h
Enables the SMART function. This setting is maintained when the power is turned o and then back
on. Once the SMART function is enabled, subsequent SMART ENABLE OPERATIONS commands do
not aect any parameters.