Cactus Technologies, Limited
7
6
5
4
3
2
1
0
Sector Count
N/A
LBA Low
N/A
LBA Med
N/A
LBA High
N/A
Device/Head
N/A
Dev
N/A
Command
FEh
Host must then perform a single sector PIO Data Out operation to the drive. The format of
the sector data is as follows:
Word
Description
0-15
AES key (32 bytes)
16-255
reserved
After the drive has received this data, it will return status information via the task file
registers as follows:
7
6
5
4
3
2
1
0
Error
N/A
Sector Count
N/A
LBA Low
N/A
LBA Med
Command Status
LBA High
N/A
Device/Head
N/A
Dev
N/A
Status
BSY
DRDY
DF
N/A
DRQ
N/A
ERR
The values returned for Command Status are as follows:
0 – Success
1 – Incorrect key
2 – key command aborted (due to same key issued after correct key already accepted)
Cactus Technologies Limited
Industrial Grade -910S/910S-P1 Series SSD Product Manual
v2.2
29
