Command Specifications
4.1.11 RESERVE EXTENDED (56)
Bit
Byte 7 6 5 4 3 2 1 0
0 X'56'
1 0 0 0 3rd Pty 0 0 0 0
2 × × × × × × × ×
3 Third Party Device ID
4 0 0 0 0 0 0 0 0
5 0 0 0 0 0 0 0 0
6 0 0 0 0 0 0 0 0
7 × × × × × × × ×
8 × × × × × × × ×
9 0 0 0 0 0 0 0 0
Together with the RELEASE command, this command controls exclusive access
to the HDD under a multi-initiator environment.
182 C141-C013