Alienware Alpha R2 - Clearing CMOS Settings; Procedure

2 Replace the top cover.
3 Replace the base cover.
Clearing CMOS Settings
WARNING: Before working inside your computer, read the safety
information that shipped with your computer and follow the steps in
Before
working inside your computer. After working inside your computer, follow
the instructions in After working inside your computer. For more safety best
practices, see the Regulatory Compliance home page at www.dell.com/
regulatory_compliance.
Prerequisites
1 Remove the base cover.
2 Remove the top cover.
3 Remove the processor fan.
4 Remove the video-card fan.
Procedure
1 Locate the CMOS jumper (pin number five and six) on the system board.
For information on the location of the CMOS jumper, see “System- board
components”.
89