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10.29 Read Verify Sector(s) Ext (42h)
Command Block Output Registers
Register
7
Data Low
-
Data High
-
Current
-
Feature
Previous
-
Current
V
Sector Count
Previous
V
Current
V
Sector
Number
Previous
V
Current
V
Cylinder Low
Previous
V
Current
V
Cylinder High
Previous
V
Device/Head
1
Command
0
Error Register
7
6
5
4
CRC
UNC
0
IDN
0
V
0
V
Table 138 Read Verify Sector(s) Ext Command (42h)
The Read Verify Sector(s) Ext verifies one or more sectors on the device. No data is transferred to the host.
The difference between the Read Sector(s) Ext command and the Read Verify Sector(s) Ext command is
whether the data is transferred to the host or not.
If an uncorrectable error occurs, the Read Verify Sector(s) Ext will be terminated at the failing sector.
HITACHI Deskstar & CinemaStar P7K500 Hard Disk Drive specification (Rev 1.1)
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
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
1
D
-
-
-
-
0
1
0
0
0
1
0
3
2
1
0
0
ABT
T0N
AMN
0
V
0
0
186
Command Block Input Registers
Register
7
Data Low
-
Data High
-
Error
HOB=0
-
Sector Count
HOB=1
-
HOB=0
V
Sector
Number
HOB=1
V
HOB=0
V
Cylinder Low
HOB=1
V
HOB=0
V
Cylinder High
HOB=1
V
Device/Head
-
Status
Status Register
7
6
5
4
BSY
RDY
DF
DSC DRQ COR
0
V
0
V
6
5
4
3
2
1
0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
...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
V
V
V
V
V
V
-
-
-
-
-
-
-
...See Below...
3
2
1
0
IDX
ERR
-
0
-
V
- Quick Links:
- Data Sheet
- Jumper Settings(Pata Model)
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