18 read (6) command (08h), Table 5-119 read (6) command-data format, Table 5-120 read (6) command -field descriptions – Maxtor 10K V User Manual

Page 150

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5-92

Maxtor Atlas 10K V

5.18

READ (6) Command (08h)

The READ (6) command requests that data be transferred from the drive to the
initiator. The amount of data transferred is specified by the transfer length field. The
starting point is specified by the logical sector address. The data format and field
descriptions are shown in Table 5-119 and Table 5-120 respectively.

Table 5-119

READ (6) Command-Data Format

Table 5-120

READ (6) Command-Field Descriptions

Bit

Byte

7

6

5

4

3

2

1

0

0

Operation Code (08h)

1

Reserved

Logical Block Address

2 - 3

Logical Block Address (continued)

4

Transfer Length

5

Control

Field Description

Logical Block Address

Specifies the logical block address where the read operation

will begin.

Transfer Length

Specifies the number of contiguous logical blocks of data to

transfer. A transfer length of 0 indicates that 256 logical

blocks will be transferred. Any other value indicates the

number of logical blocks that will be transferred.

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