Reference Guide

Chapter 4 SCSI Commands
MODE SELECT (6) / (10) Command (15h / 55h)
DLT-S4 Interface Reference Guide 101
Figure 51 MODE SELECT (6)
Mode Parameter List — Data
Format
Figure 52 MODE SELECT (10)
Mode Parameter List — Data
Format
Figure 53 MODE SELECT
Mode Parameter List — Field
Descriptions
Bit
Byte
7 6 5 4 3 2 1 0
0 — 3 Mode Parameter Header
4 — 11 Mode Parameter Block Descriptor (Optional)
4 — n
or
12 — n
Page(s) (Optional)
Bit
Byte
7 6 5 4 3 2 1 0
0 — 7 Mode Parameter Header
8 — 15 Mode Parameter Block Descriptor (Optional)
8 — n
or
16 — n
Page(s) (Optional)
Field Description
Mode Parameter Header Four bytes in length for
MODE SELECT (6) or 8 bytes in length for MODE
SELECT (10). Contains information about the remainder of the Parameter
List and is always present.
Mode Parameter Block
Descriptor
Eight bytes in length. Allows the host to set the drive’s Logical Block Size
and Density Code to be written from BOT.
Page(s) Any mode pages that are a part of this
MODE SELECT command.