Hitachi HUS154530VLF400 User Manual
Hitachi Ultrastar 15K450 (FC-AL) Hard Disk Drive Specification
270
19.43 SYNCHRONIZE CACHE (10) - (35)
Table 231: SYNCHRONIZE CACHE (10) - (35)
The SYNCHRONIZE CACHE command ensures that logical blocks in the cache have their most recent data value recorded
on the media.
on the media.
•
Logical Block Address is to specify where the operation is to begin.
•
Immed (immediate) must be zero. An immediate bit of zero indicates that the status shall not be returned until the
operation has completed. If the Immed bit is set to one, the drive returns a Check Condition status. The sense key
shall be set to Illegal Request and the additional sense code shall be set to Invalid Field in CDB.
shall be set to Illegal Request and the additional sense code shall be set to Invalid Field in CDB.
•
Number of Blocks specifies the total number of contiguous logical blocks within the range. Number of Blocks of
zero indicates that all remaining logical blocks on the logical unit shall be within the range.
Byte
BIT
7
6
5
4
3
2
1
0
0
Command Code = 35h
1
Reserved = 0
Reserved = 0
Immed
= 0
Obso-
lete
2-5
(MSB)
Logical Block Address
(LSB)
6
Reserved = 0
7-8
(MSB) Number of Blocks
(LSB)
9
VU = 0
Reserved = 0
FLAG
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