Dell DX6000 - Manual (Page 177)

Jumpers and Connectors 177
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Jumpers and Connectors
CAUTION: Many repairs may only be done by a certified service technician.
You should only perform troubleshooting and simple repairs as authorized in
your product documentation, or as directed by the online or telephone service
and support team. Damage due to servicing that is not authorized by Dell is not
covered by your warranty. Read and follow the safety instructions that came
with the product.
System Board Jumpers
For information on resetting the password jumper to disable a password, see
"Disabling a Forgotten Password" on page 186.