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DU Disable Update. Always 0.
DS Disable Save. Not supported. This bit always set to 1.
TSD Target Save Disable. Not supported. This bit always set to 1.
ETC Enable Threshold Comparison. Threshold checking is not supported on this page.
Always set to 0.
TMC Threshold Met Criteria. Always 0.
LP List Parameter. Al ways set to 0 (parameter codes treated as data counter).
Counter Value Parameter Codes 02h through 09h provide a count of the number of bytes
transferred since the current tape cartridge was inserted or since the last time the
counters were reset via a MODE SELECT command.
Parameter Codes 02h and 03h -- Report the count of bytes transferred from the
tape drive to the initiator. Parameter Code 02h reports the number of full
megabytes transferred; Parameter Code 03h reports the number of bytes less than
a full megabyte that have been transferred. Multiplying the counter returned for
Parameter Code 02h by 1,048,576 and then adding the value of the counter
returned by Parameter Code 03h results in the actual total bytes transferred to the
initiator.
Parameter Codes 04h and 05h -- Report the count of bytes transferred from the
tape drive to the buffer. Parameter Code 04h reports the number of full megabytes
transferred; Parameter Code 05h reports the number of bytes less than a full
megabyte that have been transferred. Multiplying the counter returned for
Parameter Code 04h by 1,048,576 and then adding the value of the counter
returned by Parameter Code 05h results in the actual total bytes transferred from
tape to the buffer.
Parameter Codes 06h and 07h -- Report the count of bytes transferred from the
initiator to the buffer. Parameter Code 06h reports the number of full megabytes
transferred; Parameter Code 07h reports the number of bytes less than a full
megabyte that have been transferred. Multiplying the counter returned for
Parameter Code 06h by 1,048,576 and then adding the value of the counter
returned by Parameter Code 07h results in the actual total bytes transferred from
the initiator to the buffer.
Parameter Codes 08h and 09h -- Report the count of bytes written to the tape
drive. Parameter Code 08h reports the number of full megabytes transferred;
Parameter Code 09h reports the number of bytes less than a full megabyte that
have been transferred. Multiplying the counter returned for Parameter Code 08h by
1,048,576 and then adding the value of the counter returned by Parameter Code
09h results in the actual total bytes written to the tape drive.
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