Cactus Technologies, Limited
Word
Address
Default Value
Total Bytes
Data Field Type Information
218
0H
2
Reserved
219
0H
2
NV Cache Options
220
0H
2
Write-Read-Verify feature set
221
0H
2
Reserved
222
103FH
2
Transport major version number
223
0H
2
Transport minor version number
224-229
0H
12
Reserved
230-233
0H
8
Extended Number of User Addressable Sectors
234
0H
2
Min. number of 512-byte data blocks per DOWNLOAD MICROCODE
command for mode 03H
235
0H
2
Max. number of 512-byte data blocks per DOWNLOAD MICROCODE
command for mode 03H
236-254
0H
38
Reserved
255
XXXXH
2
Checksum
6. S.M.A.R.T. Feature Set
Cactus Technologies
®
-250SH Series SSDs supports S.M.A.R.T. attribute reporting. This
following subcommands are supported when programmed into the Feature Register:
Value
Command
Value
Command
D0h
Read Data
D6h
SMART Write Log
D2h
Enable/Disable Autosave
D8h
Enable SMART operations
D4h
Execute OFF-LINE Immediate
D9h
Disable SMART operations
D5h
SMART Read Log
DAh
Return Status
6.1. S.M.A.R.T Data Structure
The Read Data commands returns 512 bytes of data in the following structure:
Byte(s)
Description
0-1
Revision code
2-361
Data for atrributes 1 - 30
362
Off-line data collection status
363
Self-test execution status byte
364-365
Total time in seconds to complete off-line data collection activitiies
366
Vendor specific
367
Off-line data collection capabilities
368-369
SMART capabilities
370
Error logging capabilities: bit[7:1] – reserved; bit[0]: 1=device error logging supported
371
Vendor specific
Cactus Technologies Limited
Commercial Grade -250SH Series SSD Product Manual
v2.1
20
