In High security mode, you can unlock the disk with either the user or master password, using the 'SECURITY UNLOCK DEVICE' ATA command. Bit 8 in word 128 of the IDENTIFY response tell you which mode your disk is in: 0 = High, 1 = Maximum. A value of 0xFFFE means the Master password is unchanged.Ī disk can be locked in two modes: High security mode or Maximum security mode. The revision code is word 92 in the IDENTIFY response. Most disks support a Master Password Revision Code, which can tell you if the Master password has been changed, or it it still the factory default. It is part of the ATA specification, and thus not specific to any brand or device.Ī disk always has two passwords: A User password and a Master password. The disk lock is a built-in security feature in the disk. If the above suggestions don't work, here's some background info about the disk lock feature: Apply the patch to a 2.4.18 linux kernel tree. This modified driver will automatically unlock the disk when you connect your Archos via USB, so you don't have to do anything special. That creates a 1 boot disk with the below mentioned patched isd200 driver.įor those of us using Linux, we have writtenĪn isd200 driver patch for unlocking the disk. Shut down the computer and remove the disk.īig thanks to Magnus Andersson for discovering the Fujitsu (lack of) user password!

For Toshiba and Hitachi disks, if the above doesn't work: Choose 'unlock with master password', then 'disable with master password'.The password is empty, so just press enter at the prompt. For Fujitsu disks: Choose 'unlock with user password', then 'disable with user password'.Select the locked harddrive and press enter for the menu.Boot from the floppy and run atapwd.exe.

Remove the harddisk from your Archos and plug it into a laptop (or a standard PC, using a 3.5' => 2.5' IDE adapter).

Create a bootable DOS floppy disk, and put atapwd.exe on it.

Note: This requires taking the Archos apart, which will void your warranty! We do however know how to unlock the disk: Note: None of us developers have experienced this problem since march 2002. Using the standard Archos-supplied firmware, although it was more frequent for

Low-power conditions to accidental chip select failure. We are still not 100% sure why it happened. During development of the Rockbox firmware, on several occations the harddisk has become locked, i.e.

Download unlockhd.exe