Hitachi ULTRASTAR 15K450 HUS154530VLF400 - Manual (Page 241)

Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
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19.22.1 Returned Data Format
The following data is returned to the initiator in the DATA OUT phase.
Table 187: Returned Data Format
• RTO_EN (Reference Tag Own Enable) bit set to one indicates that application client ownership of the Logical
Block Reference Tag field in protection information is enabled (i.e. the drive was formatted with protection informa-
tion enabled and the RTO_REQ bit was set to one). An RTO_EN bit set to zero indicates that application client own-
ership of the Logical Block Reference Tag field in protection information is disabled.
PROT_EN (Protection Enable) bit set to one indicates that the drive was formatted with protection information enabled. A
PROT_EN bit set to zero indicates that the drive was not formatted with protection information enabled.
Byte
Bit
6 7 5 4 3 2 1 0
0 - 7
(MSB)
Maximum Logical Address
(LSB)
8 - 11
(MSB)
Block Length
(LSB)
12 Reserved = 0
RTO_E
N PROT_
EN
13 - 31 Reserved = 0