Specifications

26 RA7x/SA7x Pocket Reference Guide
Figure 16 RA7x Previous Command Opcode (Byte 9)
COM-R061
X X X X X X X X Byte 9 Last Opcode
(Extended drive status byte)
Opcode of the last previous level 2 drive command 
decoded by the drive (received from the SDI controller)
Last Level 2 Drive Commands
The following is a list of the last level 2 drive commands
decoded by the drive (received from the SDI controller).
81—change mode
82—change controller flags
03—diagnose
84—disconnect (drive)
05—drive clear
06—error recovery
87—get common characteristics
88—get subunit characteristics
0A—initiate seek
8B—on line
0C—run
8D—read memory
8E—recalibrate
90—topology
0F—write memory
FF—select group (level 1 command, processed by
firmware seek head select subroutines)