Hitachi HTS543232L9A300 Specifications - Page 139

Set Max Address F9h

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5K320 SATA OEM Specification 14.36 Set Max Address (F9h) Command Block Output Registers Register 76543210 Data -------- Feature VVVVVVVV Sector Count B LBA Low VVVVVVVV LBA Mid VVVVVVVV LBA High VVVVVVVV Device - L - - HHHH Command 11111001 Command Block Input Registers Register 76543210 Data -------- Error ...See Below... Sector Count -------- LBA Low VVVVVVVV LBA Mid VVVVVVVV LBA High VVVVVVVV Device - - - - HHHH Status ...See Below... Error Register 7 6 5 4 3 2 1 0 CRC UNC 0 IDN 0 ABT T0N AM N 000 0 0V0 0 Table 106 Set Max Address Command (F9h) Status Register 7 6 5 4 3 2 1 0 BSY RDY DF DSC DRQ COR IDX ERR 0V0 - - 0 0V The Set Max Address command overwrites the max LBA/CYL of HDD in a range of actual device capacities. The device receives this command, all accesses beyond that LBA/CYL are rejected with setting ABORT bit in status register. Identify device command and Identify device DMA command returns the LBA/CYL which is set via this command as a default value. This command implement SET Max security extension commands as subcommands. But regardless of Feature register value, the case this command is immediately preceded by a Read Native Max Address command, it is interpreted as a Set Max Address command. The Read Native Max Address command should be issued and completed immediately prior to issuing Set Max Address command. Otherwise this command is interpreted as a Set Max security extension command which is destinated by feature register. If Set Max security mode is in the Locked or Frozen, the Set Max Address command is aborted. For more information, see "12.10.2 Set Max security extension commands" on Page 66. In CHS mode, LBA High, LBA Mid specify the max cylinder number. The Head number of Device and LBA Low are ignored. The default value(See default CHS in Identify device information) is used for that. In LBA mode, the Head number of Device, LBA High, LBA Mid and LBA Low specify the max LBA. This command sets this LBA as the max LBA of the device. After a successful command completion, Identify Device response words (61:60) shall reflect the maximum address set with this command. If the 48-bit Address feature set is supported, the value placed in Identify Device response words (103:100) shall be the same as the value placed in words (61:60). However, if the device contains greater than 268,435,455 sectors, the capacity addressable with 28-bit commands, and the address requested is 268,435,455, the max address shall be changed to the native maximum address, the value placed in words (61:60) shall be 268,435,455 and the value placed in words (103:100) shall be the native maximum address. If a host protected area has been established by a Set Max Address Ext command, the device shall return command aborted. Output Parameters To The Device Feature Destination code for this command 01h SET MAX SET PASSWORD 139

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5K320 SATA OEM Specification
139
14.36
Set Max Address (F9h)
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
-
-
-
-
-
-
-
-
Data
-
-
-
-
-
-
-
-
Feature
V V V V V V V V
Error
...See Below...
Sector Count
-
-
-
-
-
-
-
B
Sector Count
-
-
-
-
-
-
-
-
LBA Low
V V V V V V V V
LBA Low
V V V V V V V V
LBA Mid
V V V V V V V V
LBA Mid
V V V V V V V V
LBA High
V V V V V V V V
LBA High
V V V V V V V V
Device
- L -
- H H H H
Device
-
-
-
- H H H H
Command
1 1 1 1 1
0
0
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
AM
N
BSY
RDY
DF
DSC
DRQ COR
IDX
ERR
0
0
0
0
0
V
0
0
0
V
0
-
-
0
0
V
Table 106 Set Max Address Command (F9h)
The Set Max Address command overwrites the max LBA/CYL of HDD in a range of actual device
capacities. The device receives this command, all accesses beyond that LBA/CYL are rejected with
setting ABORT bit in status register. Identify device command and Identify device DMA command
returns the LBA/CYL which is set via this command as a default value.
This command implement SET Max security extension commands as subcommands. But regardless
of Feature register value, the case this command is immediately preceded by a Read Native Max
Address command, it is interpreted as a Set Max Address command.
The Read Native Max Address command should be issued and completed immediately prior to
issuing Set Max Address command. Otherwise this command is interpreted as a Set Max security
extension command which is destinated by feature register. If Set Max security mode is in the
Locked or Frozen, the Set Max Address command is aborted.
For more information, see “12.10.2 Set Max security extension commands” on Page 66.
In CHS mode, LBA High, LBA Mid specify the max cylinder number. The Head number of Device
and LBA Low are ignored. The default value(See default CHS in Identify device information) is used
for that.
In LBA mode, the Head number of Device, LBA High, LBA Mid and LBA Low specify the max LBA.
This command sets this LBA as the max LBA of the device.
After a successful command completion, Identify Device response words (61:60) shall reflect the
maximum address set with this command.
If the 48-bit Address feature set is supported, the value placed in Identify Device response words
(103:100) shall be the same as the value placed in words (61:60). However, if the device contains
greater than 268,435,455 sectors, the capacity addressable with 28-bit commands, and the address
requested is 268,435,455, the max address shall be changed to the native maximum address, the
value placed in words (61:60) shall be 268,435,455 and the value placed in words (103:100) shall be
the native maximum address.
If a host protected area has been established by a Set Max Address Ext command, the device shall
return command aborted.
Output Parameters To The Device
Feature
Destination code for this command
01h
SET MAX SET PASSWORD