Dell Alienware Aurora R3 (Early 2011) - Manual (Page 50)

Clearing Forgotten Passwords and CMOS Settings
1. Follow the instructions in Before You Begin .
2. Remove the left side-panel (see Removing the Left Side-Panel ).
3. Reset the current password and CMOS settings:
a. Locate the 3-pin CMOS or password-reset jumper on the system board (see System Board Components ).
b. Remove the jumper plug from the CMOS or password-reset jumper pins 2 and 3.
c. Place the jumper plug on the CMOS or password-reset jumper pins 1 and 2 and wait for approximately five seconds.
d. Remove the jumper plug and replace it on the CMOS or password reset jumper pins 2 and 3.
CMOS:
Adjust DDR_VREF_DQ_A Adjusts the DDR3 Data VREF – Channel A.
Adjust DDR_VREF_DQ_B Adjusts the DDR3 Data VREF – Channel B.
Adjust DDR_VREF_CA_A Adjusts the DDR3 Address VREF – Channel A.
Adjust DDR_VREF_CA_B Adjusts the DDR3 Address VREF – Channel B.
Security
Supervisor Password: Allows you to change the supervisor password.
User Password: Allows you to change the user password. You cannot use the user password to enter the BIOS setup, during POST.
Set Supervisor Password Allows you to set a supervisor password.
Boot
Set Boot Priority
1st Boot Device Displays the first boot device.
2nd Boot Device Displays the second boot device.
3rd Boot Device Displays the third boot device.
4th Boot Device Displays the fourth boot device.
5th Boot Device Displays the fifth boot device.
6th Boot Device Displays the sixth boot device.
7th Boot Device Displays the seventh boot device.
Hard Disk Drive BBS Priorities Sets the hard drive boot priority. The items displayed are dynamically updated according to the hard drives detected.
CD/DVD ROM Drive BBS Priorities Sets the CD/DVD drive boot priority.
Exit
Provides options to Save Changes and Reset, Discard Changes and Reset, Restore Defaults, and Reset System with ME disable Mode.
WARNING: Before you begin any of the procedures in this section, follow the safety instructions that shipped with your computer.
WARNING: The computer must be disconnected from the electrical outlet to clear the password setting.
CAUTION: Only a certified service technician should perform repairs on your computer. Damage due to servicing that is not authorized by Dell is
not covered by your warranty.
CAUTION: To avoid electrostatic discharge, ground yourself by using a wrist grounding strap or by periodically touching an unpainted metal
surface (such as a connector on your computer).