Specifications

28 ST43401N/ND and ST43402ND Reference Manual, Rev. C
Table 9. Command set
Group 0 commands for direct access devices
Op code Command name
00 Test Unit Ready
01 Rezero Unit
02
03 Request Sense
04 Format Unit
05–06
07 Reassign Blocks
08 Read
09
0A Write
0B Seek
0C–10
11 Port Status (0 dual port only)
12 Inquiry
13–14
15 Mode Select
16 Reserve (see note 1)
17 Release
18–19
1A Mode Sense (see note 2)
1B Start/Stop Unit
1C Receive Diagnostic Results
1D Send Diagnostic
1E–1F
Note 1. For dual port drives, when a reservation is granted to an initiator on
one port, all initiators on both ports receive reservation conflict status.
Note 2. Dual port drives do not support Mode Sense. Dual port drives support
Expanded Mode Sense (page 08h), which includes all previous
functions supported by Mode Sense (page 38h).
continued