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MODE SELSECT
When MRIE is set to 0, this method instructs the drive to not report informational exception conditions. When MRIE
is set to 4 (Unconditionally generate RECOVERED ERROR), this method instructs the drive to report informational
exception conditions by returning a CHECK CONDITION status on the next SCSI command (excluding Inquiry and
Request Sense) after an informational exception condition was detected. The sense key shall be set to
RECOVERED ERROR and the additional sense code shall indicate the cause of the information exception
condition(which is 5D/00h). The command that has the CHECK CONDITION shall complete without error before any
exception condition may be reported (and thus does not need to be reported).
Interval Timer: This field is not supported by the drive and if set a CHECK CONDITION status is returned with an
ILLEGAL REQUEST sense key set.
Report Count/Test Flag Number: This field has a dual purpose. When Test bit is set to ZERO, the value of this field
in the MODE SELECT data represents the Report Count. The Report Count field is not supported by the drive and if
set a CHECK CONDITION status is returned with an ILLEGAL REQUEST sense key set. When a MODE SELECT
command is sent with the Test bit it set to ONE, the value of this field in the MODE SELECT data represents the Test
Flag Number, which is never returned in response to a MODE SENSE command. Valid values of Test Number are
–64 to 64 and 32767(7FFFh). Negative numbers are represented using the 2's complement method. If the Test Flag
Number is set to an invalid value, the MODE SELECT command will return CHECK CONDITION, with sense key set
to ILLEGAL REQUEST and extended sense set to Invalid Field in Parameter list.
6.7.7. AIT Device Configuration Page (31h)
Note 1: The values set by Mode Select Page 31h become valid after the Mode Select Page 11h command is
completed.
Note 2: The values reported by Mode Sense Page 31h always indicate a status of the cassette. It is not a mode
condition of the drive
Note 3: For initializing AIT native mode cassette, Mode Select Page 31h must be issued before Mode Select Page
11h.
Bit
7
Byte
0
Reserved
1
2
AIT
3
4
MIC
5
6
7
8
9
AIT
The AIT-bit is a changeable bit. The status of the AIT-bit is valid after a cassette is initialized. Until then the AIT-bit
indicates ZERO, even if the bit is set with the Mode Select command.
0-DDS emulation mode (default)
1-AIT native mode
Device
0-Do not create optional device area. (DDS mode only)
1-Create optional device area. (AIT mode only)
SONY AIT-E Turbo drive SDX-250V series Ver.1.0
Table 6-42: AIT Device Configuration Page
6
5
DEVICE
ABS
ULPBOT
4
3
Page Code (31h)
Page Length (8)
PRTH
PONEJ
SPAN (0Ah)
Reserved
Reserved
Reserved
Reserved
Reserved
Reserved
6.Command Specification
2
1
0
SysLogAlive
6-39
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