User's Guide

Chapter 3 Emulated DLT7000 SCSI Commands
Mode Select (6 /10) (15h / 55h)
Quantum DX-Series Software Interface Guide 173
The tape drive always powers up with its default configurations set. This
is also true if the drive receives a BUS DEVICE RESET message or a hard
reset via the RST line on the SCSI bus.
The Command Descriptor Block is illustrated in table 124.
Table 124 Mode
Select (6) Command
Descriptor Block -
Data Format
Bit/Byte 7 6 5 4 3 2 1 0
0
1
2-3
4
5
Table 125 Mode
Select (10) Command
Descriptor Block -
Data Format
Bit/Byte 7 6 5 4 3 2 1 0
0
1
2-6
7-8
9
Note: For a list of changeable parameters within MODE SELECT,
refer to EEPROM Vendor Unique Page 3Eh and Changeable
Parameters within MODE SELECT.
Operation Code (15h)
Logical Unit Number PF Reserved SP (0)
Reserved
Parameter List Length
Unused (00) Reserved
Flag (0) Link (0)
Operation Code (55h)
Logical Unit Number PF Reserved SP (0)
Reserved
Parameter List Length
Unused (00) Reserved
Flag (0) Link (0)