Fujitsu MHW2040AC User Manual Page 187

  • Download
  • Add to my manuals
  • Print
  • Page
    / 278
  • Table of contents
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 186
5.3 Host Commands
(38) READ DMA EXT (X’25’): Option (customizing)
Description
This command is the extended command of the READ DMA 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 DMA
command.
At command issuance (I/O registers setting contents)
1F7
h
(CM) 0 0 1 0 0 1 0 1
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
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
C: Current
P: Previous
At command completion (I/O registers contents to be read)
1F7
h
(ST) Status information
h
( 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)
LBA (47-40)
LBA (23-16)
LBA (39-32)
LBA (15-8)
LBA (31-24)
LBA (7-0)
xx
xx
Error information
1F6 DH)
0: HOB=0
1: HOB=1
C141-E258 5-111
Page view 186
1 2 ... 182 183 184 185 186 187 188 189 190 191 192 ... 277 278

Comments to this Manuals

No comments