Quantum ACL 4/52, Дополнительное руководство

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ACL 4/52 Software Interface Guide
Document 6211225-03
Version 3.0
3-68 SCSI Interface
Table 44: Primary
Volume Tag Information
Volume Identification Field
This is a left justified sequence of ASCII characters representing the
bar code scanned from the cartridge followed by 20h (blanks).
Volume Sequence Number This field is reserved and set to zero.
The format of an element descriptor for an element of the storage
element type is shown in Table 45.
Table 45: Storage
Element Descriptor
Bit/Byte 7 6 5 4 3 2 1 0
12
-
43
Volume Identification Field
44
Reserved
(0000h)
45
46
Volume Sequence Number
(0000h)
47
Bit/Byte 7 6 5 4 3 2 1 0
0
(MSB)
Element Address
(LSB)
1
2
Reserved
(0h)
Access Except Reserved
(0)
Full
3
Reserved (00h)
4
Additional Sense Code
5
Additional Sense Code Qualifier
6
Reserved
(000000h)
7
8