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101

SCSI-2 Drive Command Set

Synchronize Cache (35H)

Chapter 2 2-95

SCSI-2 Drive Commands

Synchronize Cache (35H)

This command initiates the writing of all cached write data to the optical

disk. Ensures that logical blocks in the cache memory, within the

specified range, have their most recent data value recorded on the optical

disk.

Immed An Immediate bit of 1 indicates that the target returns

a status as soon as the command descriptor block is

validated.

An Immed bit of 0 indicates that the status is not

returned until the operation is completed.

Number of

Blocks The Number of Blocks field specifies the total number of

contiguous logical blocks within the range. A Number of

Blocks bit of 0 indicates that all remaining logical blocks

on the logical unit are within the range. A logical block

within the specified range that is not in cache memory

is not considered an error.

Table 2-82 Synchronize Cache Command

Byte 7 6 5 4 3 2 1 0

0 Operation Code (35H)

1 Reserved (0) Immed Rsvd

2 Logical Block Address (MSByte)

3 Logical Block Address

4 Logical Block Address

5 Logical Block Address (LSByte)

6 Reserved (0)

7 Number of Blocks (MSByte)

8 Number of Blocks (LSByte)

9 Reserved (0) Flag Link

1 2 ... 127 128 129 130 131 132 133 134 135 136 137 ... 377 378

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