Write Log Ext (3Fh); Table 133 Write Log Ext Command - Hitachi 7K320 - Travelstar Mobile Hard Drive Specifications

14.48

Write Log Ext (3Fh)

Command Block Output Registers
Register
Data Low
Data High
Feature Current
Previous
Sector Count Current
Previous
LBA Low Current
Previous
LBA Mid Current
Previous
LBA High Current
Previous
Device
Command
Error Register
7 6 5 4
CRC UNC 0 IDN
V V 0 V

Table 133 Write Log Ext Command

This command writes a specified number of 512 byte data sectors to the specific log. The device
shall interrupt for each DRQ block transferred.
Output Parameters To The Device
Sector Count Current
Sector Count Previous
Sector Number Current
Cylinder Low Current
Cylinder Low Previous
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 command aborted. If the host attempts to write
to a read only log address, the device shall return command aborted.
7 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
- - - - - - -
- - - - - - -
- - - - - - -
0 0 1 1 1 1 1 1
3 2 1 0
0 ABT T0N AMN
0 V 0 0
The number of sectors to be written to the specified log low
order, bits (7:0).
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 log to be written as described in
definition. If the host attempts to write to a read only
addresses
log address, the device shall return command aborted.
The first sector of the log to be written low order, bits (7:0).
The first sector of the log to be written high order, bits (15:8)
Page 166 of 176
7K320 (SATA) OEM Specification
Command Block Input Registers
Register
- Data Low
- Data High
- Error
-
Sector Count HOB=0 -
HOB=1 -
LBA Low HOB=0 -
- HOB=1 -
LBA Mid HOB=0 -
HOB=1 -
- LBA High HOB=0 -
- HOB=1 -
- Device
Status
Status Register
7 6 5
BSY RDY DF DSC DRQ COR IDX
0 V 0
7 6 5 4 3 2 1 0
- - - - -
- - - - -
...See Below...
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - -
- - - - -
...See Below...
4 3 2 1
V - 0 0
Table 112 Log sector
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
0
ERR
V