Quantum DLT1/VS80 SCSI, Interface Manual

Page: 178 / 182

Chapter 5: Supported SCSI-2 Medium Changer Device Commands
5-12 July 2004 81-81276-01 Rev A01
Figure 5-11.
Data Transfer Element Status Descriptor — Data Format
Bit
Byte
7 6 5 4 3 2 1 0
8 – 9
(MSB)
Data Transfer Element Descriptor
(LSB)
10 Reserved Access Except Rsv’d Full
11 Reserved
12 Additional Sense Code
13 Additional Sense Code Qualifier
14 NotBus Rsv’d IDVAlid LUValid Rsv’d Logical Unit Number
15 SCSI Bus Address (same as tape drive’s)
16 Reserved
17 SValid Invert Reserved
18 – 19
(MSB)
Source Element Address
(LSB)
20 – 23 Reserved
24 Density Code of Media (=0 if Empty) VU
25 Unused (VU)
Table 5-3.
Data Transfer Element Status Header and Descriptor — Field Descriptions
Field Name Description
PvolTag Always 0.
AvolTag Always 0.
Access Always set.
Full Set if a data cartridge is in the tape drive.
IDValid Always set.
LUValid Always set.