From: Andres Reedo (andrre1_at_hot.ee)
Date: Sun Mar 04 2001 - 03:05:26 EST
Hi!
If I forget HDD password of IBM DTCA-24090 HDD (4GB TravelStar); how to
disable the HDD password?
How I can delete the whole hard drive and reset eveything.
If enyone know how send control commands to IDE port and unlock my IDE HDD
drive,
please HELP me!
2,5" HDD working successfully with cable converter with my desktop PC.
Thanks !
- Andres R -
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http://www.storage.ibm.com/techsup/hddtech/prodspec/dtca_spw.pdf
IBM
OEM HARD DISK DRIVE SPECIFICATIONS
for
DTCA-23240/24090 (3240/4090 MB)
2.5-Inch Hard Disk Drive with ATA Interface
Revision (3.0)
S83H-5548-05
Security Mode Feature Set is a powerful security feature. With a device lock
password, a user can prevent
unauthorized access to hard disk device even if the device is removed from
the computer.
New commands are supported for this feature as below.
Security Set Password ('F1'h)
Security Unlock ('F2'h)
Security Erase Prepare ('F3'h)
Security Erase Unit ('F4'h)
Security Freeze Lock ('F5'h)
Security Disable Password ('F6'h)
10.7.1 Security mode
Following security modes are provided.
Device Locked mode The device disables media access commands after power on.
Media access com-mands
are enabled by either a security unlock command or a security erase unit
command.
Device Unlocked mode The device enables all commands. If a password is not
set this mode is entered
after power on, otherwise it is entered by a security unlock or a security
erase
unit command.
Device Frozen mode The device enables all commands except those which can
update the device
lock function, set/change password. The device enters this mode via a
Security
Freeze Lock command. It cannot quit this mode until power off.
10.7.2 Security level
Following security levels are provided.
High level security When the device lock function is enabled and the User
Password is forgotten
the device can be unlocked via a Master Password.
Maximum level security When the device lock function is enabled and the User
Password is forgotten
then only the Master Password with a Security Erase Unit command can
unlock the device. Then user data is erased.
10.7.3 Password
This function can have 2 types of passwords as described below.
Master Password When the Master Password is set, the device does NOT enable
the Device Lock
Function, and the device can NOT be locked with the Master Password, but
the Master Password can be used for unlocking the device locked.
User Password The User Password should be given or changed by a system user.
When the
User Password is set, the device enables the Device Lock Function, and then
the device is locked on next power on reset or hard reset.
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