Maxtor 10K V 5.15MODE SENSE (10) COMMAND (5Ah)

5.15MODE SENSE (10) COMMAND (5Ah)

The MODE SENSE command allows the initiator to read the drive’s sector descriptor and mode pages.

See Table 5-98for MODE SENSE (10) Command Descriptor Block – Data Format, Table 5-99for Mode Parameter Header (10 Byte) — Data Format, and Table 5-100for Mode Parameter Block Descriptor – Data Format. Refer to Table 5-90,Table 5- 92, and Table 5-101for descriptions of the fields.

Table 5-98MODE SENSE (10) Command Descriptor Block-Data Format

Bit	7		6		5	4		3	2	1	0
Byte
0						Operation		Code (5Ah)
1				Reserved				DBD		Reserved
2		PC						Page	Code
3						Sub Page Code
4 – 6							Reserved
7 – 8	(MSB)					Allocation Length
											(LSB)
9							Control

Table 5-99Mode Parameter Header (10 Byte)-Data Format

Bit	7	6	5		4		3	2	1	0
Byte
0 - 1	(MSB)				Mode Data Length
										(LSB)
2					Medium Type
3				Device-Specific Parameter
4 - 5						Reserved
6 - 7					Block Descriptor Length

Field Descriptions for the Mode Parameter Header are given in the table that follows.

Table 5-100Mode Parameter Block Descriptor-Data Format

Bit	7	6	5	4	3	2	1	0
Byte
0 - 3	(MSB)			Number of Blocks
								(LSB)
4				Density Code
5 - 7	(MSB)			Block Length
								(LSB)

Maxtor Atlas 10K V 5-71