7 - 10
Sony SDT-10000/SDT-11000 DDS Tape Drive
7. DIAGNOSTICS
BOT:
0 - Space to EOD before beginning write test
1 - Rewind to BOT before beginning read or write test
RND:
0 - Randomizer is disabled during test
1 - Randomizer is enabled during test
WRT & RD control bits: The following table shows the operation of the Error Rate Test with different combinations of the
WRT & RD bits.
WRT
RD
Action
0
0
Command rejected - invalid parameters
0
1
Read
Fast Search to initial position (conditional on loopcount)
Repeat until loopcount = 0
1
0
Write Setmark
Write test pattern
Write EOD at end of first pass
Fast search to initial position (conditional on loopcount)
Repeat until loopcount = 0
1
1
Write Setmark
Write test pattern
Write EOD at end of first pass
Fast search to initial position
Read
Fast Search to initial position (conditional on loopcount)
Repeat until loopcount = 0
Table 7-6: WRT & RD control bits
At the completion of the test, the tape will be positioned after the last group written or read and before EOD.
NLR:
0 - Drive Log will be initialized before the test
1 - Drive Log will not be initialized
Summary of Contents for DDS-4
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