Fujitsu MHT2020AT - Page 169

5.3 Host Commands
C141-E192-01EN 5-95
(38) READ NATIVE MAX ADDRESS EXT (27H): Option (customizing)
• 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, CL, SN registers of the device control register
with HOB bit = 0, 1.
• Error reporting conditions
− This command is issued with LBA = 0. (ST = 51h, ER= 04h: Aborted
command)
At command issuance (I/O registers setting contents)
1F7
h
(CM) 00010111
1F6
h
(DH) 1 L 1 DV xx
1F5
h
(CH) P
1F5
h
(CH) C
1F4
h
(CL) P
1F4
h
(CL) C
1F3
h
(SN) P
1F3
h
(SN) C
1F2
h
(SC) P
1F2
h
(SC) C
1F1
h
(FR) P
1F1
h
(FR) C
xx
xx
xx
xx
xx
xx
xx
xx
xx
xx
C: Current
P: Previous
At command completion (I/O registers contents to be read)
1F7
h
(ST) Status information
1F6
h
(DH) 1 L 1 DV xx
1F5
h
(CH) 1
1F5
h
(CH) 0
1F4
h
(CL) 1
1F4
h
(CL) 0
1F3
h
(SN) 1
1F3
h
(SN) 0
1F2
h
(SC) 1
1F2
h
(SC) 0
1F1
h
(ER)
Native max address LBA (47-40)
Native max address LBA (23-16)
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
Error information
0: HOB=0
1: HOB=1