Fujitsu MHW2120BK Maintenance Manual page 203

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Error reporting conditions
(1) The device is in Security Locked mode (ST = 51h, ER = 04h).
(2) The device is in Security Frozen mode (ST = 51h, ER = 04h).
(3) A SATA communication error occurred (ST = 51h, ER = 14h).
At command issuance (Shadow Block Registers setting contents)
CM
DH
CH
CL
SN
SC
FR
At command completion (Shadow Block Register contents to be read)
ST
DH
CH
CL
SN
SC
ER
C141-E261
1 1 1 1
x x x x
xx
xx
xx
xx
xx
Status information
x x x x
xx
xx
xx
xx
Error information
5.3 Host Commands
0 0 0 1
xx
xx
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