Owner manual

300/300-P Series Industrial Grade SSD Product Manual v2.0Cactus Technologies
®
41
CTLock™ command is a Vendor Specic ATA Command with the following task le structure:
CTLock™ is a PIO Data Out command. Upon issuing the command and receiving a data ready
status from the drive, the host will send over 1 sector (512bytes) of data. The format of this data
is as follows:
If this command is issued with Bit 0 of Feature Reg. set, the drive will enable the VS Lock mode.
In this mode, the drive will not response to normal ATA data transfer commands until a CTLock™
command is issued with the same Lock code and the Unlock bit set. The only ATA commands
that the drive will execute when in VS Lock mode are the following:
Register 7 6 5 4 3 2 1 0
Feature
Reserved Lock Erase Unlock Lock
Sector Count
01h
Sector Number
N/A
Cylinder Low
N/A
Cylinder High
N/A
Drive/Head
1 0 1 D 0 0 0 0
Command
83h
byte Description
00-31 zeroes
32-64 Lock code
65-511 zeroes
Command Opcode
Check Power Mode
E5h
Execute Drive Diagnostic
90h
Identify Drive
ECh
Idle
E3h
Idle Immediate
E1h
NOP
00h
Read Buffer
E4h
Set Features
EFh
Set Multiple Mode
C6h
Sleep
E6h
Standby
E2h
Standby Immediate
E0h
Write Buffer
E8h
6.2.1. Command Structure