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Table 8 Supported commands
Command name
Synchronize Cache
Synchronize Cache (16)
Test Unit Ready
Verify (10)
BYTCHK bit
Verify (12)
Verify (16)
Verify (32)
Write (6)
Write (10)
DPO bit
FUA bit
Write (12)
Write (16)
Write (32)
Write and Verify (10)
DPO bit
Write and Verify (12)
Write and Verify (16)
Write and Verify (32)
Write Buffer (modes 0, 2, supported)
Write Buffer
Firmware Download option (modes 5, 7, Ah and Bh) [3]
Firmware Download option (modes 4, 5, 7)
Write Long (10)
Write Long (16)
Write Same (10) [5]
PBdata
LBdata
Write Same (16) [5]
Write Same (32)
XDRead
XDWrite
XPWrite
[1]
Enterprise Capacity 3.5 HDD v4 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.
Seagate Enterprise Capacity 3.5 HDD v4 SAS Product Manual, Rev. B
Command code
Supported
35h
Y
91h
Y
00h
Y
2Fh
Y
Y
AFh
N
AFh
Y
7Fh/000Ah
N (Supported if formatted for
type 2 protection information)
0Ah
Y
2Ah
Y
Y
Y
AAh
N
8Ah
Y
7Fh/000Bh
N (Supported if formatted for
type 2 protection information)
2Eh
Y
Y
AEh
N
8Eh
Y
7Fh/000Ch
N (Supported if formatted for
type 2 protection information)
3Bh
Y (non-SED drives only)
3Bh
Y (non-SED drives only)
Y (SED drives only)
3Fh
Y
9Fh/11h
Y
41h
Y
N
N
93h
Y
7Fh/000Dh
N
52h
N
50h
N
51h
N
55
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