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Cactus Technologies, Limited
Cactus Technologies Limited
-900 Series Industrial Grade SATA SSD Product Manual
v1.0
37
6.8. S.M.A.R.T. Read Log
This command returns the data of the SMART log. When issuing this command, set the Sector Count
register to the number of sectors to read and set the Sector Number register to the Log address. The Log
addresses are defined as follows:
Address
Description
0x00
Log directory
0x10
NCQ Command error log
0x80-0x9F
Host Vendor Specific logs
0xA0
SMART Wear Level data
0xA1
SMART Remap data
0xA2
Reserved
0xA3
Reserved
The Log directory (address 0) returns 1 sector of data that shows the number of sectors for the defined
Log addresses:
Byte
Value
Description
0-1
1
SMART logging version
2-19
0
Reserved
20-21
1
Number of sectors for SMART Log at address 0x10
22-255
0
Reserved
256-319
16
Number of sectors for SMART Log at addresses 0x80-0x9F
320-321
4
Number of sectors for SMART Log at address 0xA0
322-323
1
Number of sectors for SMART Log at address 0xA1
324-325
1
Number of sectors for SMART Log at address 0xA2