IBM IC35L036UWDY10 Hard Drive Specifications - Page 143

READ 6 08h, Reserved = 0, VU = 0, Transfer Length, Logical Block Address, Command Code = 08h

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8.15 READ (6) (08h) Byte 0 1 2 3 4 5 Bit 7 6 5 4 3 2 1 0 Command Code = 08h Reserved = 0 (MSB) LBA Logical Block Address (LSB) Transfer Length VU = 0 Reserved = 0 FLAG LINK Figure 121. READ (6) The READ command requests the drive to transfer the specified number of blocks of data to the initiator starting at the specified logical block address. ! Logical block address specifies the LBA at which the read operation shall begin. ! Transfer length specifies the number of blocks to be transferred. A value of zero implies 256 blocks are to be transferred. Note: Errors are handled by ERP (error recovery procedure). Rep's are controlled by the error recovery parameters specified by MODE SELECT command. Ultrastar 146Z10 hard disk drive specifications 127

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8.15 READ (6) (08h)
LINK
FLAG
Reserved = 0
VU = 0
5
Transfer Length
4
Logical Block Address
(LSB)
2
3
(MSB)
LBA
Reserved = 0
1
Command Code = 08h
0
0
1
2
3
4
5
6
7
Bit
Byte
Figure 121. READ (6)
The READ command requests the drive to transfer the specified number of blocks of data to the initiator
starting at the specified logical block address.
!
Logical block address
specifies the LBA at which the read operation shall begin.
!
Transfer length
specifies the number of blocks to be transferred. A value of zero implies 256 blocks
are to be transferred.
Note:
Errors are handled by ERP (error recovery procedure). Rep's are controlled by the error recovery
parameters specified by MODE SELECT command.
Ultrastar 146Z10 hard disk drive specifications
127