Parameter List; Table 95 Mode Select 10-Byte Command Descriptor Block - Field Descriptions - Quantum LTO 2 User Manual

Table 95 MODE SELECT
10-Byte Command Descriptor
Block — Field Descriptions

Parameter List

LTO-2 SCSI Interface Guide
Field Bytes
Operation 1
Code
Ignored 1
Logical
Unit
PF 1
Parameter 7-8
List
Length
Reserved
Control 9
A value in the Parameter List Length field that truncates a parameter list
causes the drive to return a Check Condition, and the
data is set to Illegal Request.
The
2
MODE SELECT
CDB versions is in the following general format:
Mode Parameter
Header
Block Descriptor
Mode Parameter Pages
Bits Description
The Operation Code for
55h.
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
parameter list for both the 6-byte CDB and 10-byte
Required.
Optional.
Zero or more Mode Parameter Pages may
be included.
Chapter 2 SCSI Commands
MODE SELECT Command
MODE SELECT
parameter list to be
29.
REQUEST SENSE
is
122