Fujitsu MJA2500BH - Mobile 500 GB Hard Drive Product/Maintenance Manual page 195

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Error reporting conditions
(1) An undefined code is specified in the FR or SC field (ST = 51h, ER = 04h).
(2) A SATA communication error occurred (ST = 51h, ER = 14h).
At command issuance (Shadow Block O registers setting contents)
CM
DH
CH
CL
SN
SC
FR
At command completion (Shadow Block Registers contents to be read)
ST
DH
CH
CL
SN
SC
E
C141-E293
1 1 1 0
x x x x
xx
xx
xx or *5
xx or *1 to *5
[See Table 5.34]
Status information
x x x x
xx
xx
xx
xx
Error information
5.3 Host Commands
1 1 1 1
xx
xx
5-121