15.29 Set Max Address (F9h)
see below
Status
1 1 1 1 1 0 0 1
Command
- - - - H H H H
Device/Head
1 L 1 D H H H H
Device/Head
V V V V V V V V
Cylinder High
V V V V V V V V
Cylinder High
V V V V V V V V
Cylinder Low
V V V V V V V V
Cylinder Low
V V V V V V V V
Sector Number
V V V V V V V V
Sector Number
- - - - - - - -
Sector Count
- - - - - - - B
Sector Count
see below
Error
- - - - - - - -
Feature
- - - - - - - -
Data
- - - - - - - -
Data
7 6 5 4 3 2 1 0
Register
7 6 5 4 3 2 1 0
Register
Command Block Input
Registers
Command Block Output
Registers
V
–
0
–
–
0
V
0
0
0
V
0
0
0
0
0
ERR
IDX
COR
DRQ
DSC
DF
RDY
BSY
AMN
T0N
ABT
0
IDN
0
UNC
CRC
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
Status Register
Error Register
Figure 111. Set Max Address (F9h)
If the Set Max Freeze Lock command is immediately preceded by a Read Native Max Address
command, this command is regarded as a Set Max Address command. The device receives this
command without a prior Read Native Max Address command, the device regards as Set Max security
extensions command according to feature register value. Valid features values are as shown below:
1.
01h indicates Set Max Set Password command
2.
02h indicates Set Max Lock command
3.
03h indicates Set Max Unlock command
4.
04h indicates Set Max Freeze LOCK command
This command overwrites the maximum number of Address of the drive in a range of actual device
capacity. Once device receives this command, all accesses beyond that Address are rejected with setting
ABORT bit in status register. Identify device command returns the Address which is set via this command
as a default value.
If the device in Address Offset mode receives this command with the nonvolatile option, the device
returns aborted error to the host.
The device returns command aborted for a second nonvolatile Set Max Address command until next
power on or hardware reset.
The device returns command aborted during Set Max Locked mode or Set Max Frozen mode.
Deskstar 60 GXP Hard disk drive specification
151
Содержание IC35L020 - Deskstar 20 GB Hard Drive
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