Quantum ACL 4/52, Дополнительное руководство

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ACL 4/52 Software Interface Guide
Document 6211225-03
Version 3.0
SCSI Interface 3-57
Element List Length Only valid if Element is 1, otherwise this field is reserved and must
contain zeroes. This field specifies the Length of Element List
Descriptors that follow. This value must be a whole multiple of the
length of a single Element List Descriptor (6).
Table 37: Element List
Descriptor
Starting Element Address and Number of Elements
These fields are used to select the range of elements to be reserved.
The reservation begins with the first element with an address
greater than or equal to the Starting Element Address, and
includes all defined elements until the indicated number of
elements have been reserved or the last element is reached. All the
specified elements must be able to be reserved or no reservations
take place at all.
Bit/Byte 7 6 5 4 3 2 1 0
0
Reserved
(0000h)
1
2
(MSB)
Number of Elements
(LSB)
3
4
(MSB)
Starting Element Address
(LSB)
5