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5.15
MODE SENSE (10) COMMAND (5Ah)
The MODE SENSE command allows the initiator to read the drive's sector descriptor
and mode pages.
See Table 5-98 for MODE SENSE (10) Command Descriptor Block – Data Format,
Table 5-99 for Mode Parameter Header (10 Byte) — Data Format, and Table 5-100
for Mode Parameter Block Descriptor – Data Format. Refer to Table 5-90,Table 5-
92, and Table 5-101 for descriptions of the fields.
Table 5-98
Bit
Byte
0
1
2
3
4 – 6
(MSB)
7 – 8
9
Table 5-99
Bit
Byte
(MSB)
0 - 1
2
3
4 - 5
6 - 7
Field Descriptions for the Mode Parameter Header are given in the table that follows.
Table 5-100
Bit
Byte
(MSB)
0 - 3
4
(MSB)
5 - 7
MODE SENSE (10) Command Descriptor Block-Data Format
7
6
5
Reserved
PC
Mode Parameter Header (10 Byte)-Data Format
7
6
5
Mode Parameter Block Descriptor-Data Format
7
6
5
4
3
Operation Code (5Ah)
DBD
Page Code
Sub Page Code
Reserved
Allocation Length
Control
4
3
Mode Data Length
Medium Type
Device-Specific Parameter
Reserved
Block Descriptor Length
4
3
Number of Blocks
Density Code
Block Length
Maxtor Atlas 10K V
2
1
0
Reserved
(LSB)
2
1
0
(LSB)
2
1
0
(LSB)
(LSB)
5-71
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