Table 176 Write Sector(S) Ext Command (34H); Write Sector(S) Ext (34H) - Hitachi HDS723020BLA642 Specifications
3.5 inch serial ata hard disk drive
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Also See for HDS723020BLA642:
- Datasheet (2 pages) ,
- Quick installation manual (3 pages) ,
- Quick installation manual (3 pages)
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11.56 Write Sector(s) Ext (34h)
Command Block Output Registers
Register
Data Low
Data High
Current
Feature
Previous
Current
Sector Count
Previous
Current
Sector
Number
Previous
Current
Cylinder Low
Previous
Current
Cylinder High
Previous
Device/Head
Command
Error Register
7
6
5
4
CRC
UNC
0
IDN
0
0
0
V
Table 176 Write Sector(s) Ext Command (34h)
The Write Sector(s) Ext command transfers one or more sectors from the host to the device, and then the data is
written to the disk media.
The sectors are transferred through the Data Register 16 bits at a time.
If an uncorrectable error occurs, the write will be terminated at the failing sector.
7
6
5
4
3
2
1
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
-
1
-
D
-
-
-
0
0
1
1
0
1
0
3
2
1
0
ABT
T0N
AMN
0
V
0
Hitachi hard disk drive specifications
Command Block Input Registers
0
Register
-
Data Low
-
Data High
-
Error
-
V
HOB=0
Sector Count
V
HOB=1
V
HOB=0
Sector
Number
V
HOB=1
V
HOB=0
Cylinder Low
V
HOB=1
V
HOB=0
Cylinder High
V
HOB=1
-
Device/Head
0
Status
0
7
6
5
BSY
RDY
DF
0
0
V
0
253
7
6
5
4
3
2
-
-
-
-
-
-
-
-
-
-
-
-
...See Below...
-
-
-
-
-
-
-
-
-
-
-
-
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
-
-
-
-
-
-
...See Below...
Status Register
4
3
2
1
DSC
DRQ
COR
IDX
V
-
0
-
1
0
-
-
-
-
-
-
-
-
V
V
V
V
V
V
V
V
V
V
V
V
-
-
0
ERR
V
- Quick Links:
- Table 1 Type and Model
- General Features
- Data Sheet
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