Mode Select Command
August 2016 Commands 103
SOCF: Stop On Consecutive Filemarks 00b = Stop read ahead when buffer is full
RBO: Recover Buffer Order 0 = Not supported
REW: Report Early Warning 0 = Report early warning only on
Write and Write Filemarks commands
Gap Size 0 = Gap size not selectable
EOD Defined: End Of Data 000b = Default EOD only
EEG: EOD Enabled Generation 1 = EOD generated per EOD field
SEW: Synchronize at Early Warning
Logical End-of-Tape (LEOT)
0 = Buffered write data and filemarks not flushed to tape
when LEOT detected
1 = Buffered write data and filemarks written to tape
when LEOT detected
SWP: Soft Write Protect 0 = Not supported
Buffer Size at Early Warning 0 = Buffer size not selectable
Select Algorithm:
Select Data Compression Algorithm
00h = No data compression
01h = LZ1 compression of write records
Note – The Select Algorithm field will be ignored if Mode
Page 0Fh (Data Compression) is also sent in the same
Mode Select command.
ASOCWP: Associated Write Protect 0 = Not supported
PERSWP: Persistent Write Protect 0 = Not supported
PRMWP: Permanent Write Protect 0 = Not supported
Parameter Value
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