M2488 USER’S GUIDE CONFIGURATION
April 1997 CG00000-011403 REV. A 4-7
Table 4-7. S.FT5 Bit Description
BIT VALUE DESCRIPTION
0-1 1 Reserved
2 1 The EOM bit is treated in non-ANSI compliant mode. EOM is on in unsolicited
REQUEST SENSE data when the MTU is at PBOT or LBOT as well as for the conditions
described for a value of 0.
0 The EOM bit is treated in ANSI compliant mode. EOM indicates that the MTU is at or
past the early warning if the direction was forward, or that the command could not be
completed because beginning of partition was encountered if the direction was reverse.
Both conditions generate an unit check.
3 1 Maximum SCSI bus reselection timeout is 8ms.
0 Maximum SCSI bus reselection timeout is 419ms.
4 1 Support ASC/ASCQ 3A00 (Medium Not Present) on unload via Load/Unload SCSI com-
mand. If an unload request is received via the Load/Unload SCSI command when the
MTU is not ready, then Check Condition status is generated. The SCSI sense data gener-
ated contains sense key 2 (Not Ready) and ASC/ASCQ 3A00 (Medium Not Present).
0 Do not Support ASC/ASCQ 3A00 (Medium Not Present) on unload via Load/Unload
SCSI command. If an unload request is received via the Load/Unload SCSI command
when the MTU is not ready, then Check Condition status is generated. The SCSI sense
data generated contains sense key 2 (Not Ready) and ASC/ASCQ 0400 (LUN Not Ready,
Cause Not Reportable)
5 1 Support ANSI SCSI-3 ASC/ASCQ 0017 (Clean Requested). Check Condition status is
generated for “Clean Requested” under the conditions listed below. The SCSI sense data
generated contains sense key 1 (Recovered Error) and ASC/ASCQ 0017.
1) Tape sectors processed since last cleaning has gone over the cleaning required thresh-
old, and
2) The MTU ready status has changed (e.g. from not-ready to ready or from ready to not-
ready), and
3) The next SCSI command (after the MTU status change) for which status is being gen-
erated has completed without error, and
4) The SCSI command is not TUR, Inquiry, or Request Sense.
0 Do not support ANSI SCSI-3 ASC/ASCQ 0017 (Clean Requested).
6 1 Support ANSI SCSI-3 Log Sense page 0Ch.
0 Do not support ANSI SCSI-3 Log Sense page 0Ch.
7 1 Do not clear Log Sense counters when they are read via the Log Sense command.
0 Clear Log Sense counters when they are read via the Log Sense command. Only the
counters for the log page(s) read are cleared.
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