Hitachi 7K500 250GB HTS725025A9A361 Manual Do Utilizador
Códigos do produto
HTS725025A9A361
7K500 OEM Specification
Page 121 of 176
14.23
14.23
14.23
14.23 Read Sector(s) E
Read Sector(s) E
Read Sector(s) E
Read Sector(s) Ext
xt
xt
xt (24h)
(24h)
(24h)
(24h)
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
-
-
-
-
-
-
-
- Error
...See Below...
Feature
Previous
-
-
-
-
-
-
-
-
Current
V V V V V V V V
HOB=0 -
-
-
-
-
-
-
-
Sector Count
Previous
V V V V V V V V
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
- 1 -
-
-
-
-
- Device
-
-
-
-
-
-
-
-
Command
0 0 1 0 0 1 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
0
V
0
V
0
V
0
0
0
V
0
V
-
0
0
V
Table 89 Read Sector(s) Ext Command (24h)
The Read Sector(s) Ext command reads from 1 to 65,536 sectors of data from disk media, then
transfers the data from the device to the host.
transfers the data from the device to the host.
The sectors are transferred through the Data Register 16 bits at a time.
If an uncorrectable error occurs, the read will be terminated at the failing sector.
Output Parameters To The Device
Sector Count Current
Sector Count Current
The number of sectors to be transferred low order, bits (7:0).
Sector Count Previous
The number of sectors to be transferred high order, bits (15:8). If 0000h in the Sector
Count register is specified, then 65,536 sectors will be transferred.
Count register is specified, then 65,536 sectors will be transferred.
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)
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.