Dell Embedded Box PC5000 Service Manual page 127

5 Turn on the Embedded Box PC, and wait until the message stating that the
CMOS has been cleared appears.
6 Shut down the Embedded Box PC.
7 Move the jumper plug from pins 2 and 3 to pins 1 and 2.
1 jumper plug
8 Follow step 2 to step 8 in "Replacing the back cover".
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