Table 14-24: Bsyi Usage; Table 14-25: Bsya Usage - Tandberg Data SLR7-140 PROGRAMMER Manual

BSYI
BSYA
Tandberg Data
When set to one, the BSYI bit indicates that the Drive
will respond with BUSY status as long as an Immediate-
type command is under execution. The BUSY status is
returned on every
Immediate-type command has completed its execution. When
the BSYI bit is set to zero, the first new command will
be accepted even if an Immediate-type command is under
execution.
(Note: If the Drive is executing a command for another
initiator it will respond with BUSY status regardless
the setting of the BSYI bit.)
Legal values are 0 and 1.
The default (factory programmed) value is 0.
An immediate command is still executing when a new
command is received:
Next Command BSYI = 1
Inquiry Execute command
Request Sense
Test Unit Ready BUSY status
All other commands BUSY status
As soon as one command is waiting, the drive is in the
same state as when a command is executing.
When set to one, the BSYA bit indicates that the Drive
will respond with
initialized (preparation) activity is going on. The BUSY
status is returned
activity has completed. When the BSYA is set to zero,
new commands will be accepted even if the drive is
occupied with a drive-initiated (preparation) activity.
Legal values are 0 and 1
The default (factory programmed) value is 0.
The drive is busy with a drive-initiated (preparation)
activity (as e.g.
received:
Next Command BSYA = 1
Inquiry Execute command
Request Sense
Test Unit Ready CHECK CONDITION status
All other commands BUSY status
1
The command will typically respond with GOOD status.
2
The error code will be " Logical Unit In The Process of Becoming
Ready"
14-31 Tandberg SLR Product Line SCSI Functional Specifications
new command

Table 14-24: BSYI Usage

BUSY status
on every new
Autoload) when

Table 14-25: BSYA Usage

Mode Select
until the executing
BSYI = 0
Execute command
Execute command
Command waits
as long as a drive-
command until
a new command
BSYA = 0
Execute command
2
Execute command
Command waits
1
this
is
1