Table 140 Set Max Address (F9H); Set Max Address (F9H) - Hitachi HDS723020BLA642 Specifications
3.5 inch serial ata hard disk drive
Hide thumbs
Also See for HDS723020BLA642:
- Datasheet (2 pages) ,
- Quick installation manual (3 pages) ,
- Quick installation manual (3 pages)
Table of Contents
Advertisement
11.39 Set Max Address (F9h)
Command Block Output Registers
Register
Data
Feature
Sector Count
Sector Number
Cylinder Low
Cylinder High
Device/Head
Command
Error Register
7
6
5
CRC UNC
0
0
0
0
Table 140 Set Max ADDRESS (F9h)
The device regards as Set Max Address command, if this command is immediately preceded by a Read Native
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 follows:
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 HDD 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.
Device returns command aborted for a second non-volatile Set Max Address command until next power on or
hardware reset.
Device returns command aborted during Set Max Locked mode or Set Max Frozen mode.
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
7
6
5
4
3
2
1
-
-
-
-
-
-
-
V
V
V
V
V
V
V
-
-
-
-
-
-
-
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
1
L
1
D
H
H
H
1
1
1
1
1
0
0
4
3
2
1
IDN
0
ABT T0N AMN
0
0
V
0
Hitachi hard disk drive specifications
Command Block Input Registers
0
Register
7
-
Data
-
V
Error
B
Sector Count
-
V
Sector Number
V
V
Cylinder Low
V
V
Cylinder High
V
H
Device/Head
-
1
Status
Status Register
0
7
6
5
BSY RDY
DF
0
0
V
0
203
6
5
4
3
2
1
-
-
-
-
-
-
...See Below...
-
-
-
-
-
-
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
V
-
-
-
H
H
H
...See Below...
4
3
2
1
DSC DRQ COR IDX ERR
-
-
0
-
0
-
-
V
V
V
H
0
V
- Quick Links:
- Table 1 Type and Model
- General Features
- Data Sheet
Hide quick links:
Advertisement
Table of Contents
