Alienware Area-51 R3 Threadripper Edition, Service Manual

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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 .
NOTE: The computer must be disconnected from the electrical outlet
to clear the CMOS setting.
1 Lay the system on the right side.
2 Remove the stability foot
3 Remove the left and right side-panels. See “ Removing the side panels ”.
4 Locate the CMOS jumper (CMOS_CLR) on the system board. See “ system-
board components ”.
5 Remove the jumper plug from pins 2 and 3 and fix it on pins 1 and 2.
6 Wait for approximately five seconds to clear the CMOS setting.
7 Remove the jumper plug from pins 1 and 2 and replace it on pins 2 and 3.
Figure 85. Clearing CMOS settings
1 pin 1 2 pin 2
3 pin 3 4 jumper plug
8 Replace the left and right side panels. See " Replacing the side panels ”.
9 Replace the stability foot .
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