Figure 5.13 Non-Data Command Protocol - Fujitsu MHW2120BK Maintenance Manual

Interface
•
SLEEP
•
DEVICE CONFIGRATION RESTORE
•
DEVICE CONFIGRATION FREEZE LOCK
• WRITE UNCORRECTABLE EXT
The following is the protocol for command execution without data transfer:
1) The device receives a non-data command with the RegHD FIS.
2) The device executes the received command.
3) Command execution is completed.
4) The device reports the completion of command execution by sending to the
host the RegDH FIS with 1 set in the I bit.
5-176
RegHD
Host
RegDH

Figure 5.13 Non-data command protocol

Device
C141-E261