Fujitsu MHT2080AH - 80GB 5400 RPM PATA Hard Drive Product Manual page 174

Interface
(46) READ SECTOR (S) EXT (24H): Option (customizing)
Description
This command is the extended command of the READ SECTOR (S)
command. The LBA specification is increased from 28 bits to 48 bits, and
the maximum number of sectors that can be transferred by a single command
is changed from 100h to 10000h. Other command controls are the same as
those of the READ SECTOR (S) command.
At command issuance (I/O registers setting contents)
1F7 (CM)
h
1F6 (DH)
h
1F5 (CH) P
h
1F5 (CH) C
h
1F4 (CL) P
h
1F4 (CL) C
h
1F3 (SN) P
h
1F3 (SN) C
h
1F2 (SC) P
h
1F2 (SC) C
h
1F1 (FR) P
h
1F1 (FR) C
h
C: Current
P: Previous
At command completion (I/O registers contents to be read)
1F7 (ST)
h
1F6 (DH)
h
1F5 (CH) 1
h
1F5 (CH) 0
h
1F4 (CL) 1
h
1F4 (CL) 0
h
1F3 (SN) 1
h
1F3 (SN) 0
h
1F2 (SC) 1
h
1F2 (SC) 0
h
1F1 (ER)
h
0: HOB=0
1: HOB=1
5-104
0 0 1 0
1 L 1 DV
LBA (47-40)
LBA (23-16)
LBA (39-32)
LBA (15-8)
LBA (31-24)
LBA (7-0)
Sector count (15-8)
Sector count (7-0)
xx
xx
Status information
1 L 1 DV
LBA (47-40)
LBA (23-16)
LBA (39-32)
LBA (15-8)
LBA (31-24)
LBA (7-0)
xx
xx
Error information
0 1 0 1
xx
xx
C141-E195-02EN