Hitachi 100GB 7200 RPM HTE721010G9SA00 User Manual
Product codes
HTE721010G9SA00
Travelstar E7K100 (SATA) Hard Disk Drive Specification
106
12.16 Read Log Ext (2Fh)
Table 67: Read Log Ext Command (2Fh)
This command returns the specified log to the host. The device shall interrupt for each DRQ block transferred.
Output parameters to the device
Sector Count Current
The number of sectors to be read from the specified log low order, bits (7:0). The
log transferred by the drive shall start at the sector in the specified log at the spec-
ified offset, regardless of the sector count requested.
log transferred by the drive shall start at the sector in the specified log at the spec-
ified offset, regardless of the sector count requested.
Sector Number Previous
The number of sectors to be read from the specified log high orders, bits (15:8).
Sector Number Current
The log to be returned as described in the figure below.
Cylinder Low Current
The first sector of the log to be read low order, bits (7:0).
Cylinder Low Previous
The first sector of the log to be read high order, bits (15:8).
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 0 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