
SCSI Commands
5-170 Quantum DLT 8000 Tape System
READ POSITION Command (34h) (continued)
NOTE
The drive returns CHECK CONDITION with UNIT NOT READY sense key with the
READ POSITION command if the media is not ready to be accessed.
5.17.1 Standard READ POSITION Data
When TCLP and Long bits are both set to 0, the data takes the following format:
Bit
Byte
7 6 5 4 3 2 1 0
0 BOP EOP BCU BYCU Rsv’d BPU (0) PERR Rsv’d
1 Partition Number
2 - 3 Reserved
4 - 7
(MSB)
First Block Location
(LSB)
8 - 11
(MSB)
Last Block Location
(LSB)
12 Reserved
13 - 15
(MSB)
Number of Blocks in Buffer
(LSB)
15 - 19
(MSB)
Number of Bytes in Buffer
(LSB)
Figure 5–78 READ POSITION — Data Format
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