Hitachi C4K60 Specifications - Page 101

Set Max Freeze Lock Command [F9h, Sub 04h]

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After a successful command completion, IDENTIFY DEVICE response Word 60-61 and Word 100-103 reflect the maximum address set with this command. The address returned in the command block registers is the maximum device size as shown in the following tables: Output Parameters to the device: Task File Register LBA High HOB = 1 HOB = 0 LBA Mid HOB = 1 HOB = 0 LBA Low HOB = 1 HOB = 0 7 6 5 4 3 2 1 0 Maximum LBA bit 47 - 40 Maximum LBA bit 23 - 16 Maximum LBA bit 39 - 32 Maximum LBA bit 15 - 8 Maximum LBA bit 31 - 24 Maximum LBA bit 7 - 0 7.5.38. Set Max Freeze Lock Command [F9h, Sub 04h] Task File Registers Command LBA High LBA Mid LBA Low Device/Head Sector Count Features 7 6 5 4 3 2 1 0 F9h XX XX XX X X X DRV X X X X XX 04h The SET MAX FREEZE LOCK command sets the device to Set Max Frozen state. After command completion any subsequent SET MAX commands are rejected. Commands disabled by Set Max Freeze Lock are: − SET MAX ADDRESS command − SET MAX ADDRESS EXT command − SET MAX SET PASSWORD command − SET MAX LOCK command − SET MAX UNLOCK command A SET MAX SET PASSWORD command shall previously have been successfully completed. This command shall not be immediately preceded by a READ MAX ADDRESS command. If this command is immediately preceded by a READ MAX ADDRESS command, it is interpreted as a SET MAX ADDRESS command. If the device is in the Set Max Unlocked state, the device reports command aborted. K6610170 Rev.2 Dec 22, 2004 - 101 -

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K6610170
Rev.2
Dec 22, 2004
- 101 -
After a successful command completion, IDENTIFY DEVICE response Word 60-61 and Word 100-103
reflect the maximum address set with this command.
The address returned in the command block registers
is the maximum device size as shown in the following tables:
Output Parameters to the device:
Task File Register
7
6
5
4
3
2
1
0
LBA High
HOB = 1
Maximum LBA bit 47 - 40
HOB = 0
Maximum LBA bit 23 - 16
LBA Mid
HOB = 1
Maximum LBA bit 39 - 32
HOB = 0
Maximum LBA bit 15 - 8
LBA Low
HOB = 1
Maximum LBA bit 31 - 24
HOB = 0
Maximum LBA bit 7 - 0
7.5.38. Set Max Freeze Lock Command [F9h, Sub 04h]
Task File Registers
7
6
5
4
3
2
1
0
Command
F9h
LBA High
XX
LBA Mid
XX
LBA Low
XX
Device/Head
X
X
X
DRV
X
X
X
X
Sector Count
XX
Features
04h
The SET MAX FREEZE LOCK command sets the device to Set Max Frozen state. After command
completion any subsequent SET MAX commands are rejected. Commands disabled by Set Max Freeze
Lock are:
−
SET MAX ADDRESS command
−
SET MAX ADDRESS EXT command
−
SET MAX SET PASSWORD command
−
SET MAX LOCK command
−
SET MAX UNLOCK command
A SET MAX SET PASSWORD command shall previously have been successfully completed. This command
shall not be immediately preceded by a READ MAX ADDRESS command. If this command is immediately
preceded by a READ MAX ADDRESS command, it is interpreted as a SET MAX ADDRESS command. If
the device is in the Set Max Unlocked state, the device reports command aborted.