Mode Sense Header Data
Mode Sense—6 Byte Command returns a 4-byte header.
TABLE 3-68 Mode Sense (6) Header Data
Byte
7
0
1
2
WP
3
Mode Sense—10 Byte Command returns an 8-byte header
TABLE 3-69 Mode Sense (10) Header Data
Byte
7
0
(MSB)
thru
1
2
3
WP
4
(MSB)
thru
5
6
(MSB)
thru
7
Parameter
Medium Type
WP: Write Protect
Buffered Mode
Speed
August 2016
6
5
4
Mode Data Length
Medium Type
Buffered Mode
Block Descriptor Length
6
5
4
Mode Data Length
Medium Type
Buffered Mode
Block Descriptor Length
Value
0 = Vendor-specific (reserved)
0 = Not file-protected
1 = File-protected
000b = Return Status on write commands after the data is
written on tape.
001b = Return status on write commands after data has been
transferred to the drive's data buffer
0 = Default speed
1h = Lowest speed
2h = Next lowest speed
3h = Medium speed
4h = Next highest speed
5h = Highest speed
Bit
3
2
Bit
3
2
Reserved
Mode Sense Command
1
0
Speed
1
0
(LSB)
Speed
(LSB)
(LSB)
Commands 113