C
ONSTELLATION
ES.1 SAS P
RODUCT
M
ANUAL
, R
EV
. G
47
[1]
Constellation ES.1 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]
There is approximately a 1.5 increase in time to format a SED drive versus a non-SED drive of the same capacity.
Write Buffer (modes 0, 2, supported)
3Bh
Y (non-SED drives only)
Write Buffer
3Bh
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
N
XDRead
52h
N
XDWrite
50h
N
XPWrite
51h
N
Table 8
Supported commands
Command name
Command code
Supported