Текст страницы
Set Sector Configuration Ext (B2h)
Command Block Output Registers
Command Block Input Registers
Register
7
6
5
4
3
2
1
0
Register
7 6 5 4 3 2 1 0
Data Low
-
-
-
-
-
-
-
-
Data Low
-
-
-
-
-
-
-
-
Data High
-
-
-
-
-
-
-
-
Data High
-
-
-
-
-
-
-
-
Feature
Current
V
V
V
V
V
V
V
V
Error
…See Below…
Previous
V
V
V
V
V
V
V
V
HOB=0
-
-
-
-
-
-
-
-
Sector Count
Current
-
-
-
-
V
V
V
V
Sector Count
Previous
-
-
-
-
-
-
-
V
HOB=1
-
-
-
-
-
-
-
-
HOB=0
-
-
-
-
-
-
-
-
Current
-
-
-
-
-
-
-
V
Sector Number
Sector Number
Previous
-
-
-
-
-
-
-
-
HOB=1
-
-
-
-
-
-
-
-
HOB=0
-
-
-
-
-
-
-
-
Current
-
-
-
-
-
-
-
V
Cylinder Low
Cylinder Low
Previous
-
-
-
-
-
-
-
V
HOB=1
-
-
-
-
-
-
-
-
HOB=0
-
-
-
-
-
-
-
-
Current
-
-
-
-
-
-
-
-
Cylinder High
Cylinder High
Previous
-
-
-
-
-
-
-
-
HOB=1
-
-
-
-
-
-
-
-
Device/Head
-
1
-
D
-
-
-
-
Device/Head
-
-
-
-
-
-
-
-
Command
1
0
1
1
0
0
1
0
Status
…See Below…
Error Register
Status Register
7
6
5
4
3
2
1
0
7
6
5
4
3
2
1
0
CRC
UNC
0
IDN
0
ABT
T0N
AMN
BSY
RDY
DF
DSC
DRQ COR
IDX
ERR
0
0
0
0
0
V
0
0
0
V
0
-
-
0
-
V
Table 229 Set Sector Configuration Ext Commands (B2h)
The Set Sector Configuration Ext command sets the device logical block length and number of logical sectors per
physical sector.
The successful processing of a Set Sector Configuration Ext command results in the device setting the following
(See section 11.5 Section Set Sector Configuration Ext):
- ACCESSIBLE CAPACITY field to the new native max address.
- Value of the LOGICAL TO PHYSICAL SECTOR RELATIONSHIP field
- Logical Sector Size
Note: No block sizes should be supported other than 512 bytes and 4096 bytes.
Note: Invalid customer formats are not supported, the command is aborted in this case.
Output Parameters To The Device
Feature
The value in the Command Check field is taken from the Descriptor Check field (see 11.23.9) in
the descriptor specified by the Sector Configuration Descriptor Index field.
The value in the Descriptor Check field shall not be equal to the value in the Descriptor Check field
in any other valid Sector Configuration Descriptor in this device.
Sector Count
bit
Description
15-3
Reserved
2-0
Sector Configuration Descriptor Index field
278
Western Digital Ultrastar DC HC310 SATA Product Manual