Hitachi hard disk 0J11285 500 GB 2.5 " 8 MB 0J11285 Hoja De Datos
Los códigos de productos
0J11285
Z5K500 OEM Specifications
103
14.16 Read FPDMA Queued (60h)
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
-
- - - - -
-
-
Current V V V V V V V V Error
...See
Below...
Feature
Previous V V V V V V V V
Current T T T T T
-
-
-
HOB=0 -
- - - - -
-
-
Sector Count
Previous P - - - -
-
-
-
Sector Count
HOB=1 -
- - - - -
-
-
Current V V V V V V V V
HOB=0 V V V V V V V V
LBA Low
Previous V V V V V V V V
LBA Low
HOB=1 V V V V V V V V
Current V V V V V V V V
HOB=0 V V V V V V V V
LBA Mid
Previous V V V V V V V V
LBA Mid
HOB=1 V V V V V V V V
Current V V V V V V V V
HOB=0 V V V V V V V V
LBA High
Previous V V V V V V V V
LBA High
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 0 V
Table 71 Read FPDMA Queued Command (60h)
The Read FPDMA Queued command reads one or more sectors of data from disk media, then transfers
the data from the device to the host.
the data 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
Feature Current
The number of sectors to be transferred low order, bits (7:0)
Feature Previous
The number of sectors to be transferred 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.
commands. The value shall not exceed the maximum queue depth specified
by the Word 75 of the 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)
F
FUA bit. When the FUA bit is set to 1, the requested data is always retrieved
from the media regardless of whether the data are held in the sector buffer or
not. When the FUA bit is set to 0, the data may be retrieved from the media
or from the cached data left by previously processed Read or Write
commands.
from the media regardless of whether the data are held in the sector buffer or
not. When the FUA bit is set to 0, the data may be retrieved from the media
or from the cached data left by previously processed Read or Write
commands.
P
Priority bit. When the Priority bit is set to 1, the device attempts to provide
better quality of service for the command than normal priority commands.
better quality of service for the command than normal priority commands.
Input Parameters From The Device
LBA Low (HOB=0)
LBA Low (HOB=0)
LBA (7:0) of the address of the first unrecoverable error.
LBA Low (HOB=1)
LBA (31:24)of the address of the first unrecoverable error.
LBA Mid (HOB=0)
LBA (15:8)of the address of the first unrecoverable error.
LBA Mid (HOB=1)
LBA (39:32)of the address of the first unrecoverable error.
LBA High (HOB=0)
LBA (23:16)of the address of the first unrecoverable error.
LBA High (HOB=1)
LBA (47:40)of the address of the first unrecoverable error.