DLT1/VS80 SCSI Interface Guide
81-81276-01 Rev A01
July 2004
4-93
4.15.1 READ POSITION Data Short Format
Figure 4-64.
READ POSITION (Short Format) — Data Format
Bit
Byte
7
6
5
4
3
2
1
0
0
BOP
EOP
Reserved
BPU Reserved
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)
16 - 19
(MSB)
Number of Bytes in Buffer
(LSB)
Table 4-56.
READ POSITION (Short Format) — Field Descriptions
Field Name
Description
BOP
Beginning of Partition. The BOP bit is set as appropriate.
EOP
End of Partition. The EOP bit is set as appropriate.
BPU
Block Position Unknown. The Block Position Unknown (BPU) bit is never set
since setting the BT bit in the READ POSITION CDB does not affect the block
address values returned.
Summary of Contents for DLT1/VS80 SCSI
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: ......