Table 171 Write Log Ext Command (3Fh); Write Log Ext (3Fh) - Hitachi HDS723020BLA642 Specifications
3.5 inch serial ata hard disk drive
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- Datasheet (2 pages) ,
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- Quick installation manual (3 pages)
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11.51 Write Log Ext (3Fh)
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
V
0
V
Table 171 Write Log Ext Command (3Fh)
This command writes a specified number of 512 byte data sectors to the specific log. The device shall interrupt
for each DRQ block transferred.
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
-
-
-
-
-
-
-
-
-
-
-
-
-
-
1
-
1
D
-
-
-
0
0
1
1
1
1
1
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
-
HOB=1
V
HOB=0
Cylinder Low
V
HOB=1
-
HOB=0
Cylinder High
-
HOB=1
-
Device/Head
1
Status
0
7
6
5
BSY
RDY
DF
0
0
V
0
243
7
6
5
4
3
2
-
-
-
-
-
-
-
-
-
-
-
-
...See Below...
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
...See Below...
Status Register
4
3
2
1
DSC
DRQ
COR
IDX
V
-
0
-
1
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0
ERR
V
- Quick Links:
- Table 1 Type and Model
- General Features
- Data Sheet
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