Справочник Пользователя для Hitachi 100GB 7200 RPM HTE721010G9SA00
Модели
HTE721010G9SA00
Travelstar E7K100 (SATA) Hard Disk Drive Specification
104
12.15 Read FPDMA Queued (60h)
The Read FPDMA Queued command reads one or more sectors of data from disk media, then transfers the date
from the device to the host.
from the device to the host.
If an uncorrectable error occurs, the read will be terminated at the failing sector.
Output parameters to the device
Feature Current
The number of sectors to be transferred low order, bits (7:0).
Feature Previous
The number of sectors to be transerred high order, bits (15:8).
T
TAG value. It shall be assigned to be different from all other queued commands.
The value shall not exceed the maximum queue depth specified by the word 75 of the
Identify Device information.
Identify Device information.
LBA Low Current
LBA (7:0)
LBA Low Previous
LBA (31:24)
LBA Mid Current
LBA (15:8)
LBA Mid Previous
LBA (39:32)
LBA High Current
LBA (23:16)
LBA High Previous
LBA (47:40)
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
T T T T T - - -
Sector
Count
HOB=0
- - - - - - - -
Previous
- - - - - - - -
HOB=1
- - - - - - - -
LBA Low
Current
V V V V V V V V
LBA Low
HOB=0
V V V V V V V V
Previous
V V V V V V V V
HOB=1
V V V V V V V V
LBA Mid
Current
V V V V V V V V
LBA Mid
HOB=0
V V V V V V V V
Previous
V V V V V V V V
HOB=1
V V V V V V V V
LBA High
Current
V V V V V V V V
LBA High
HOB=0
V V V V V V V V
Previous
V V V V V V V V
HOB=1
V V V V V V V V
Device
F 1 - - - - - -
Device
- - - - - - - -
Command
0 1 1 0 0 0 0 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
V
V
0
V
0
V
0
0
0
V
0
V
-
0
-
V