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100

101

SCSI-2 Drive Command Set

Request Sense Command (03H)

Chapter 2 2-13

SCSI-2 Drive Commands

Field Pointer Types

C/D A Command Data bit of 1 indicates that the illegal

parameter is in the CDB.

A Command Data bit of 0 indicates that the illegal

parameter is in the data sent by the initiator during the

Data-Out phase.

BPV A Bit Pointer Valid bit of 1 indicates that the Bit Pointer

field specifies which bit of the byte designated by the

Field Pointer field is in error.

A Bit Pointer Valid bit of 0 indicates that the Bit Pointer

field is not valid.

Bit Pointer When the Bit Pointer Valid bit is 1, the Bit Pointer field

specifies which bit of the byte designated by the Field

Pointer field is in error. When a multiple-bit field is in

error, the pointer points to the most significant byte of

the field.

Field Pointer The Field Pointer indicates which byte of the command

descriptor block or the parameter data was in error.

Bytes are numbered starting from 0. When a multiple-

byte field is in error, the pointer points to the most-

significant byte of the field.

NOTE Bytes identified as being in error are not necessarily the bytes that need

to be changed to correct the problem.

Table 2-8 Sense Key Field Pointer Types

Byte 7 6 5 4 3 2 1 0

15 SKSV

(1)

C/D Reserved (0) BPV Bit Pointer

16 Field Pointer (MSByte)

17 Field Pointer (LSByte)

1 2 ... 45 46 47 48 49 50 51 52 53 54 55 ... 377 378

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