Write Log Ext (3Fh); Figure 125 Write Log Ext Command - Hitachi HTS541616J9AT00 - Travelstar 160 GB Hard Drive Specifications

14.46 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

Figure 125 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.
Travelstar 5K160 (PATA) Hard Disk Drive Specification
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
- - - - - - -
- - - - - - -
- - - D - - -
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 Figure 51 Log address definition. If
the host attempts to write to a read only 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)
171 / 188
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 4
BSY RDY DF DSC DRQ COR IDX
0 V 0 V
7 6 5 4 3 2 1 0
- - - - - - - -
- - - - - - - -
...See Below...
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
- - - - - - -
V - - - - - - -
...See Below...
3 2 1 0
ERR
- 0 - V