Hitachi 100GB 7200 RPM HTE721010G9SA00 User Manual
Product codes
HTE721010G9SA00
Travelstar E7K100 (SATA) Hard Disk Drive Specification
175
12.48 Write Log Ext (3Fh)
Table 118: Write Log Ext (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.
each DRQ block transferred.
Output parameters to the device
Sector Count Current
The number of sectors to be written to the specified log low order, bits (7:0).
Sector Count Previous
The number of sectors to be written to the specified log high orders, bits (15:8). If
the number of sectors is greater than the number indicated in the Log directory,
which is available in Log number zero, the device shall return command aborted.
The log transferred to the device shall be stored by the device starting at the first
sector in the specified log.
the number of sectors is greater than the number indicated in the Log directory,
which is available in Log number zero, the device shall return command aborted.
The log transferred to the device shall be stored by the device starting at the first
sector in the specified log.
Sector Number Current
The log to be written as described in Table 68: “Log Address Definition” on
page 107. If the host attempts to write to a read only log address, the device shall
return command aborted.
page 107. If the host attempts to write to a read only log address, the device shall
return command aborted.
Cylinder Low Current
The first sector of the log to be written low order, bits (7:0).
Cylinder Low Previous
The first sector of the log to be written high order, bits (15:8).
If the feature set associated with the log specified in the Sector Number register is not supported or enabled, or if
the values in the Sector Count, Sector Number or Cylinder Low registers are invalid, the device shall return com-
mand aborted. If the host attempts to write to a read only log address, the device shall return command aborted.
the values in the Sector Count, Sector Number or Cylinder Low registers are invalid, the device shall return com-
mand aborted. If the host attempts to write to a read only log address, the device shall return command aborted.
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
- - - - - - - -
Error
See below
Previous
- - - - - - - -
Sector
Count
Current
V V V V V V V V
Sector
Count
HOB=0
- - - - - - - -
Previous
V V V V V V V V
HOB=1
- - - - - - - -
Sector
Number
Current
V V V V V V V V
Sector
Number
HOB=0
- - - - - - - -
Previous
- - - - - - - -
HOB=1
- - - - - - - -
Cylinder
Low
Current
V V V V V V V V
Cylinder
Low
HOB=0
- - - - - - - -
Previous
V V V V V V V V
HOB=1
- - - - - - - -
Cylinder
High
Current
- - - - - - - -
Cylinder
High
HOB=0
- - - - - - - -
Previous
- - - - - - - -
HOB=1
- - - - - - - -
Device/Head
- - - - - - - -
Device/Head
- - - - - - - -
Command
0 0 1 1 1 1 1 1
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
V
V
0
V
0
V
0
0
0
V
0
V
-
0
-
V