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DLT1/VS80 SCSI Interface Guide
81-81276-01 Rev A01
July 2004
4-83
4.10.9 TapeAlert Page (1Ch)
The TapeAlert Page specifies parameters that control the TapeAlert mode select configuration.
Figure 4-54.
TapeAlert Page — Data Format
Bit
Byte
7
6
5
4
3
2
1
0
0
PS
0
Page Code (1Ch)
1
Page Length (0Ah)
2
Perf
Reserved
DExcpt
Test
Rsv’d
LogErr
3
Reserved
MRIE
4 - 7
Interval Timer
8 - 11
Report Count / Text Flag Number
Table 4-50.
TapeAlert Page — Field Descriptions
Field Name
Description
PS
Parameters Savable. Saving parameters is not supported and is 0.
Perf
Performance. This field always returns 0.
0– Indicates that the tape drive may incur higher command overhead when
processing some TapeAlert information exception conditions.
DExcpt
Disable Exception Operations. Disable Exceptions bit returns 1 which indicates no
TapeAlert exception conditions are generated. This is polled mode for TapeAlert.
Test
TapeAlert Flag Test. This field always returns 0, even though the MODE SELECT
command can change it.
LogErr
Log Errors. This bit always returns 0, which indicates that the logging of
informational exception conditions is specific. The tape drive reports the
informational exception condition when processing of such information is
convenient for the tape drive. Depending on resource availability within the tape
drive, processing of informational exceptions may be delayed until more
processing time and memory are available.
MRIE
Method of Reporting Informational Exception. This field is ignored in MODE
SELECT since the DExcpt bit is always 1. This is the polled mode for TapeAlert.
The value in MODE SENSE is always 03h.
Interval Timer
Not supported, this field always returns 0.
Summary of Contents for DLTtape DLT1
Page 1: ...DLT1 VS80 SCSI Interface Guide...
Page 6: ...DLT1 VS80 SCSI Interface Guide vi July 2004 81 81276 01 Rev A01 Notes...
Page 12: ...Table of Contents xii July 2004 81 81276 01 Rev A01 Notes...
Page 16: ...List of Figures xiv July 2004 81 81276 01 Rev A01 Notes...
Page 20: ...List of Tables xviii July 2004 81 81276 01 Rev A01 Notes...
Page 24: ...Chapter 1 Introduction 1 4 July 2004 81 81276 01 Rev A01 Notes...
Page 32: ...Chapter 2 General SCSI Bus Operation 2 8 July 2004 81 81276 01 Rev A01 Notes...
Page 42: ...Chapter 3 SCSI Messages 3 10 July 2004 81 81276 01 Rev A01 Notes...
Page 181: ......