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Compaq Deskpro 1000 Series of Personal Computers 6-1
chapter
6
J
UMPER
I
NFORMATION
This chapter provides information for system board jumpers and hard drives for the Compaq
Deskpro 1000 Series of Personal Computers.
6.1 System Board Jumpers
This section provides information for setting jumpers that enable/disable passwords and clear the
configuration (CMOS). When you change a security feature, you will need to reset a jumper and
reconfigure the computer to recognize this change. If the system configuration is incorrect, your
computer may not work properly and you may receive error messages on the screen. Setting the
system board jumpers are part of the reconfiguration process, along with running the Computer
Setup (CMOS) utility.
✎
To change the system board jumpers, you must remove the computer system unit
cover. For procedures on removing the computer system unit cover, refer to
Chapter 5, “Removal and Replacement Procedures.”
CAUTION: Be sure to turn off the computer before changing a jumper setting, or damage to the system
board can result.
!
WARNING: To reduce the risk of personal injury from hot surfaces, allow the internal system
components to cool before touching.
Jumpers are used to select the operation modes for your computer. To set a jumper, a black cap
containing metal contacts is placed over the jumper pins according to the required configuration.
A jumper is shorted when the cap is placed on two of its pins.