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Parameter Data Formats
The "Interval Timer" field indicates the period in 100 millisecond increments for reporting that an
informational exception condition has occurred. The target does not report informational exception
conditions more frequency than the time specified by the "Interval Timer" field and as soon as
possible after the timer interval has elapsed. After the informational exception condition has been
reported the interval timer is restarted. A value of zero in the "Interval Timer" field indicates that the
target shall only report the informational exception condition one time. A value of X'FFFFFFFF' in
the "Inteval Timer" field indicates the timer interval is vendor specific.
In the implementation, actual period unit to be used in reporting information exception condition is
minute.
Therefore a value is rounded-up to minute as shown below.
X'FFFFFFFF' in the interval timer field indicates that drive report the information exception
condition once.
A value of TIMER INTERVAL field
0, 0xFFFFFFFFh
0xFFFFFE11-0xFFFFFFFE
The "Report Count" field indicates the number of timer to report an informational exception
conditions to the application client. A value of zero in the Report Count field indicates there is no
limit on the number of timers the target shall report an information exception condition.
4.1.10
Additional error recovery parameters (page code = 21)
The page descriptor format of this MODE SELECT parameter is shown in Figure 4.9
Bit
Byte
0
1
2
Default
Variable
3
Default
Variable
Figure 4.9
4 - 36
1-600
601-1200
1201-1800
7
6
0
0
0
0
RPR
0
0
0
0
0
0
0
0
MODE SELECT parameters: additional error recovery parameters
Actual time interval (minutes)
Drive reports the informatinal exception
condition once
[Fujitsu unique parameter]
5
4
3
1
0
0
X'02' (Page Length)
Number of retries during a Seek Error
0
0
0
1
0
0
1
RFJ
0
0
0
0
0
0
a value of zero and
1
2
3
7158279
2
1
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
C141-E167
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