Technical information

HGST Ultrastar C15K600 Hard Disk Drive Specification
244
18.34
REPORT SUPPORTED TASK MANAGEMENT FUNCTIONS
(A3/0D)
Table 224 Report Supported Task Management Functions (A3/0D)
Byte
Bit
7
6
5
4
3
2
1
0
0
Command Code = A3h
1
Reserved = 0
Service Action = 0Dh
2-5
Reserved = 0
6-9
Allocation Length
10
Reserved = 0
11
VU = 0
Reserved = 0
Flag
Link
The REPORT SUPPORTED TASK MANAGEMENT FUNCTIONS command requests information on task
management functions supported by the drive.
Allocation Length specifies the number of bytes that have been allocated for the returned parameter data. The
allocation length must be at least four. If the allocation length is less than four, Check Condition Status will be
returned with sense key of Illegal Request and additional sense code of Invalid Field in CDB.
The format of the returned parameter data is shown below.
Table 225 Report Supported Task Management Functions - returned parameter data
Byte
Bit
7
6
5
4
3
2
1
0
0
ATS
ATSS
CACAS
CTSS
LURS
QTS
TRS
WAKES
1
Reserved
QUAS
QTSS
ITNRS
2
Reserved
3
Reserved
ATS (Abort Task) bit set to one indicates that ABORT TASK is supported. An ATS bit of zero indicates that ABORT
TASK is not supported.
ATSS (Abort Task Set) bit set to one indicates that ABORT TASK SET is supported. An ATSS bit of zero indicates
that ABORT TASK SET is not supported.
CACAS (Clear ACA) bit set to one indicates that CLEAR ACA is supported. A CACAS bit of zero indicates that
CLEAR ACA is not supported.
CTSS (Clear Task Set) bit set to one indicates that CLEAR TASK SET is supported. A CTSS bit of zero indicates
that CLEAR TASK SET is not supported.
LURS (Logical Unit Reset) bit set to one indicates that LOGICAL UNIT RESET is supported. An LUR bit of zero
indicates that LOGICAL UNIT RESET is not supported.
QTS (Query Task) bit set to one indicates that QUERY TASK is supported. A QTS bit of zero indicates that