Hard Disk Security

Chapter 4

BIOS Setup Utility

If the Supervisor Password field has changed to “Installed”, the following item appears on the screen.

♦ User Access Level – [No Access], [View Only], [Limited], or [Full Access]

•Change User Password

a. Select Change User Password from the Security Setup menu. b. Press <Enter> to access the pop-up menu, Enter New Password: c. Type the password and press <Enter> again.

The screen will not display the password as you type.

d. Retype the password when prompted by the pop-up menu and press <Enter> again.

If the password is not confirmed when you retype it, an error message will appear. The password is stored in NVRAM and you have successfully entered the password.

If the Change User Password field is “Installed”, a Pop-Up screen, titled “Clear User Password?” appears with these selections.

♦Clear User Password – [OK] or [Cancel]

♦Password Check – [Setup] or [Always]

•Boot Sector Virus Protection – [Disabled] or [Enabled]

This field displays a warning when any program (or virus) issues a Disk Format command or attempts to write to the boot sector of the hard disk drive.

∗ If [Disabled] is selected, there is no Boot Sector Virus Protection warning displayed for the hard disk drive. This allows you to install your OS without interruptions, but once installed, enable this field to protect the boot sector from virus attacks.

CAUTION To prevent boot sector virus attacks after installing your OS, enable this field. Using this field to disable Boot Sector Virus Protection allows you to install your OS without interruptions, but leaves your system open to boot virus attacks.

∗If [Enabled] is selected, a warning is displayed when any program (or virus) issues a Disk Format command or attempts to write to the boot sector of the hard disk drive. A warning display also appears if there is any attempt to format any cylinder, head, or sector of any hard disk drive.

The following display appears when a write is attempted to the boot sector.

Boot Sector Write!

Possible VIRUS: Continue (Y/N)?

You may have to type N several times to prevent the boot sector write.

The following appears after any attempt to format any cylinder, head, or sector of any hard disk drive via the BIOS INT 13 Hard disk drive.

Service:

Format!!!

Possible VIRUS: Continue (Y/N)?

>Hard Disk Security User Password – [Configure Hard Disk User Password]

∗If there are no HDDs supporting these features, you will see "There are no supported Hard Disk".

>Hard Disk Security Master Password – [Configure Hard Disk Master Password]

XTX 820

Reference Manual