IBM DTLA-305040 - Deskstar 41.1 GB Hard Drive, Specifications, Page: 169 / 212

12.29 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 119. 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 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 capa-
city. 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 non-volatile 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 40GV & 75GXP hard disk drive specifications
157