6-Byte Command Descriptor Block; Table 92 Mode Select 6-Byte Command Descriptor Block - Data Format; Table 93 Mode Select 6-Byte Command Descriptor Block - Field - Quantum LTO 2 User Manual

6-Byte Command Descriptor
Block
Table 92 MODE SELECT
6-Byte Command Descriptor
Block — Data Format
Table 93 MODE SELECT
6-Byte Command Descriptor
Block — Field Descriptions
LTO-2 SCSI Interface Guide
2
Bits 7
Byte
0
Ignored LUN
1
2
3
4
5
Field Bytes
Operation 1
Code
Ignored 1
Logical Unit
PF 1
Parameter 4
List Length
Reserved
Control 5
6 5 4
Operation Code (15h)
PF
Reserved
Reserved
Parameter List Length
Control
Bits Description
The Operation Code for
SELECT
5-7 The LUN field is vestigial from the
SCSI-1 standard and is ignored.
4 Always 1, indicating SCSI-2 format.
Specifies the number of bytes in the
MODE SELECT
transferred from the host to the drive.
A value of 0 is a valid entry and
indicates no data.
All reserved bits must be 0.
See Control Byte Format on page
Chapter 2 SCSI Commands
MODE SELECT Command
3 2 1
Reserved
MODE
is 15h.
parameter list to be
0
29.
120