IBM IC35L040AVVN07-0 Hard Drive Specifications - Page 170

Set Max Address F9h

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11.30 Set Max Address (F9h) Command Block Output Registers Register 76543210 Data -------- Feature VVVVVVVV Sector Count B Sector Number V V V V V V V V Cylinder Low V V V V V V V V Cylinder High V V V V V V V V Device/Head 1 L 1 D H H H H Command 11111001 Command Block Input Registers Register 76543210 Data -------- Error see below Sector Count Sector Number V V V V V V V V Cylinder Low V V V V V V V V Cylinder High V V V V V V V V Device/Head - - - - H H H H Status see below Error Register 76543210 CRC UNC 0 IDN 0 ABT T0N AMN 00000V00 Status Register 7 6 5 4 3 2 10 BSY RDY DF DSC DRQ COR IDX ERR 0 V 0 - - 0 -V Figure 132. Set Max Address (F9h) If this command is immediately preceded by a Read Native Max Address command, the device regards it as a Set Max Address command. The device receives this command without a prior Read Native Max Address command and regards it as a 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 Addresses of the drive in a range of actual device capacity. When the 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 the next power on or hardware reset. The device returns command aborted during Set Max Locked mode or Set Max Frozen mode. Deskstar 120GXP hard disk drive specifications 156

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11.30 Set Max Address (F9h)
see below
Status
11111001
Command
----HHHH
Device/Head
1L1DHHHH
Device/Head
VVVVVVVV
Cylinder High
VVVVVVVV
Cylinder High
VVVVVVVV
Cylinder Low
VVVVVVVV
Cylinder Low
VVVVVVVV
Sector Number
VVVVVVVV
Sector Number
--------
Sector Count
-------B
Sector Count
see below
Error
VVVVVVVV
Feature
--------
Data
--------
Data
76543210
Register
76543210
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 132. Set Max Address (F9h)
If this command is immediately preceded by a Read Native Max Address command, the device regards it
as a Set Max Address command.
The device receives this command without a prior Read Native Max
Address command and regards it as a 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 Addresses of the drive in a range of actual device
capacity.
When the 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 the next
power on or hardware reset.
The device returns command aborted during Set Max Locked mode or Set Max Frozen mode.
Deskstar 120GXP hard disk drive specifications
156