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5.3 Host Commands
(39) READ NATIVE MAX ADDRESS EXT (X’27’)
• Description
This command is used to assign the highest address that the device can initially set
with the SET MAX ADDRESS EXT command. The maximum address is
displayed in the CH(EXP), CL(EXP), SN(EXP) filed of the device shadow block
registers.
• Error reporting conditions
(1) This command is issued with LBA = 0. (ST = 51h, ER= 04h)
(2) A SATA communication error occurred (ST = 51h, ER = 14h).
At command issuance (Shadow Block Registers setting contents)
CM 0 0 1 0 0 1 1 1
DH 1 L 1 xx x
CH EXP
CH
FR EXP
xx
CL EXP
CL
SN EXP
SN
SC EXP
SC
FR
xx
xx
xx
xx
xx
xx
xx
xx
xx
At command completion (Shadow Block Registers contents to be read)
ST Status information
DH 1 L 1 x xx
CH EXP
CH
CL EXP
CL
SN EXP
SN
SC EXP
SC
ER
Native max address LBA (47-40)
Native max address LBA (23-16)
Error information
Native max address LBA (39-32)
Native max address LBA (15-8)
Native max address LBA (31-24)
Native max address LBA (7-0)
xx
xx
C141-E249 5-145