Mode Select; Command Description; Command Descriptor Block - Tandberg Data SLR7-140 PROGRAMMER Manual

14.
BYTE BIT 7
Operation Code 15h
00
01 Logical Unit Number (LUN)
02 RESERVED
03 RESERVED
04 Parameter List Length
05 Control Byte
Table 14-1:
PF

Mode Select

14.1. Command Description

The MODE SELECT
Initiator to specify a number of device parameters in
the Drive. New parameter values are included in the MODE
SELECT Parameter List.
The Drive implements only one common set of parameters
for all Initiators.
another Initiator are changed, the Drive will generate a
Unit Attention condition (with a M
Error Code) for
issued the MODE SELECT command.
The MODE SELECT
during the DATA-OUT phase of the command.
The Tandberg SLR
parameter saving. Parameters marked as savable may be
saved to a non-volatile storage by setting the Save
Pages (SP) bit in the CDB. Saved parameter values will
be used as current values after next power-up or reset.
If disconnection is allowed, the Drive will disconnect
when executing this command.

14.2. Command Descriptor Block

6 5
MODE SELECT Command Descriptor Block
A Page Format (PF) bit of zero indicates that the Drive
will not accept any Mode Pages in the parameter list;
only the Header List and a Block Descriptor List will be
accepted. If the
containing bytes beyond the Header List and a Block
Descriptor List,
command with CHECK CONDITION. A PF bit of one indicates
that the Drive will accept the Mode Pages as defined in
this specification.
14-1 Tandberg SLR Product Line SCSI Functional Specifications
command provides
If any parameters
all Initiators
Parameter List
Product Line
4 3
PF RESERVED
Drive receives
it will terminate
a means for
that affect
ODE PARAMETERS CHANGED
except the one
will be transferred
Tape Drives support
2 1
SP
a parameter
the MODE SELECT
the
that
0
list