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Parameter Data Formats
4 - 36 C141-E167
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. a value of zero and
X’FFFFFFFF’ in the interval timer field indicates that drive report the information exception
condition once.
A value of TIMER INTERVAL field Actual time interval (minutes)
0, 0xFFFFFFFFh Drive reports the informatinal exception
condition once
1-600 1
601-1200 2
1201-1800 3
0xFFFFFE11-0xFFFFFFFE 7158279
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
[Fujitsu unique parameter]
Bit
Byte
76543210
0 00100001
1 X‘02’ (Page Length)
200RPR0
Number of retries during a Seek Error
Default 00001111
Variable00001111
3RFJ
Default00000000
Variable00000000
Figure 4.9 MODE SELECT parameters: additional error recovery parameters