Cactus Technologies, Limited
COMMAND
Code
SMART
B0h
Stand By
E2h, 96h
Stand By Immediate
E0h, 94h
Write Buffer
E8h
Write DMA
CAh
Write DMA Ext
35h
Write FPDMA Queued
61h
Write Multiple
C5h
Write Multiple Ext
39h
Write Sector(s)
30h
Write Sector(s) Ext
34h
6. S.M.A.R.T. Feature Set
Cactus Technologies
®
-240 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
D5h
Reserved
D1h
Read Attribute Threshold
D6h
Reserved
D2h
Enable/Disable Autosave
D8h
Enable SMART operationes
D3h
Save Attribute Values
D9h
Disable SMART operations
D4h
Execute OFF-LINE Immediate
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
Description
0-1
Revision code
2-361
Vendor specific
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
Cactus Technologies Limited
Commercial Grade -240S Series SSD Product Manual
v1.5
17
