SCSI Commands

MODE SELECT (6) / (10) Command (15h) / (55h) (continued)

Table 5–35 MODE SELECT (6)/(10) Command Descriptor Block - Field Descriptions

Field Name

Description

 

 

PF

Page Format. The Page Format bit indicates that the data sent by the host after the

 

MODE SELECT header and block descriptors complies with the definition of pages in

 

the SCSI-2 specification. The SCSI-1 format will not be implemented so this bit must

 

be set to 1. It is an ILLEGAL REQUEST to have page parameters while the PF bit is 0.

SP

Save Parameters. Must be 0. If set, this bit instructs the drive to save all savable pages,

 

and this is not supported on the tape drive.

 

 

5.9.1Mode Parameter List

The figure shows the format of the Mode Parameter List that is passed by the initiator to the tape drive during the command’s DATA OUT phase.

Bit

7

6

5

4

3

2

1

0

Byte

 

 

 

 

 

 

 

 

0 - 3

 

 

 

Mode Parameter Header

 

 

 

 

 

 

 

 

 

4 - 11

 

 

Mode Parameter Block Descriptor (Optional)

 

 

 

 

 

 

 

 

 

 

 

4 - 11

 

 

 

 

 

 

 

 

or

 

 

 

Page(s) (Optional)

 

 

 

12 - n

 

 

 

 

 

 

 

 

Figure 5–33 MODE SELECT Mode Parameter List - Data Format

Quantum DLT 7000 Tape System

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Image 171
Quantum Instruments DLT 7000 manual Mode Select 6 / 10 Command 15h / 55h, Mode Parameter List
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