Seagate Enterprise Capacity 3.5 HDD v7 SAS Product Manual, Rev. C
46
[1]
Enterprise Capacity 3.5 HDD v7 drives can format to 512, 520 or 528 bytes per logical block.
[2]
Warning.
Power loss during flash programming can result in firmware corruption. This usually makes the drive inoperable.
[3]
Reference Mode Sense command 1Ah for mode pages supported.
[4]
Y = Yes. Command is supported.
N = No. Command is not supported.
A = Support is available on special request.
[5]
Approximately 1.5 increase in time to complete this command for a SED drive versus a non-SED drive of the same capacity.
Set Limits
33h
N
Set Timestamp
A4h/12h
Y
Start Unit/Stop Unit (spindle ceases rotating)
1Bh
Y
Synchronize Cache
35h
Y
Synchronize Cache (16)
91h
Y
Test Unit Ready
00h
Y
Verify (10)
2Fh
Y
BYTCHK bit
Y
Verify (10)
2Fh
Y
Verify (12)
AFh
N
Verify (16)
8Fh
Y
Verify (32)
7Fh/000Ah
N (Supported if formatted for
type 2 protection information)
Write (6)
0Ah
Y
Write (10)
2Ah
Y
DPO bit
Y
FUA bit
Y
Write (12)
AAh
N
Write (16)
8Ah
Y
Write (32)
7Fh/000Bh
N (Supported if formatted for
type 2 protection information)
Write and Verify (10)
2Eh
Y
DPO bit
Y
Write and Verify (12)
AEh
N
Write and Verify (16)
8Eh
Y
Write and Verify (32)
7Fh/000Ch
N (Supported if formatted for
type 2 protection information)
Write Buffer (modes 0, 1A, 1C, 2, 6, D, E, F supported)
3Bh
Y (non-SED drives only)
Firmware Download option (modes 5, 7, Ah and Bh) [3]
Y (non-SED drives only)
Firmware Download option (modes 4, 5, 7)
Y (SED drives only)
Write Long (10)
3Fh
Y
Write Long (16)
9Fh/11h
Y
Write Same (10) [5]
41h
Y
PBdata
N
LBdata
N
Write Same (16) [5]
93h
Y
Write Same (32)
7Fh/000Dh
Y
XDRead
52h
N
XDWrite
50h
N
XPWrite
51h
N
Table 7
Supported commands
Command name
Command code
Supported
