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ACL 4/52 Software Interface Guide
Document 6211225-03
Version 3.0
SCSI Interface
3-73
The format of an element descriptor for an element of the data transfer
element type is shown in Table 47.
Table 47: Data Transfer
Element Descriptor
Element Address
This field indicates the address of the element being reported by
that element descriptor.
Access
An access bit value of one indicates access to the element by a
medium transport element is allowed.
Bit/Byte
7
6
5
4
3
2
1
0
0
(MSB)
Element Address
(LSB)
1
2
Reserved
(0h)
Access
Except
Rsvd
(0)
Full
3
Reserved (00)
4
Additional Sense Code
5
Additional Sense Code Qualifier
6
Not
Bus
Rsvd
ID
Valid
LU
Valid
Rsvd
Logical Unit Number
7
SCSI Bus Address
8
Reserved (00h)
9
SValid
Invert
(0)
Reserved
(00h)
10
Source Storage Element Address
11
12
-
47
Primary Volume Tag Information (if present)
48
-
51
Reserved
(00000000h)
52
Vendor Unique
(0000h)
53