ACL 4/52 Software Interface Guide
Document 6211225-03
Version 3.0
3-46
SCSI Interface
Except
The Exception field is set to one when that element is in an
abnormal state. When the element is in a normal state, it is set to
zero. Further information on the abnormal state is available in the
Additional Sense Code and Additional Sense Code Qualifier fields.
Full
The Full field is set to one whenever the element contains a tape
cartridge. It is set to zero otherwise.
Additional Sense Code and Additional Sense Code Qualifier
These fields are only valid if the Exception field is set to one.
SValid, Invert, and Source Storage Element Address
The source valid, source storage element address field and the
invert bit information value of zero indicates these fields are not
valid.
Primary Volume Tag Information
If the Volume Tag information was requested in the command
block, the Primary Volume Tag Information field will be included
in the element descriptor. This field contains the information read
from the bar code affixed to each tape cartridge; its format is
shown in Table 30.
Table 30: 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 blanks 20h.
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
