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 Jumpers and Connectors
Dell™PowerEdge™R805SystemsHardwareOwner'sManual
System Board Jumpers
System Board Connectors
SAS/SATA Backplane Board Connectors
Sideplane Board Connectors
Expansion-Card Riser-Board Components and PCIe Buses
Disabling a Forgotten Password

This section provides specific information about the system jumpers and describes the connectors on the various boards in the system.
System Board Jumpers
Figure6-1 shows the location of the configuration jumpers on the system board. Table6-1 lists the jumper settings.
Figure 6-1. System Board Jumpers
Table 6-1. System Board Jumper Settings
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.
NOTE: To access the jumpers, you must remove the expansion cards from expansion-card riser 1. See Removing an Expansion Card.

Jumper

Setting

Description
NVRAM_CLR
(default)
The configuration settings are retained at system boot.

The configuration settings are cleared at the next system boot. (If the configuration settings become corrupted to the point
where the system will not boot, install the jumper and boot the system. Remove the jumper before restoring the configuration
information.)
PWRD_EN
(default)
The password feature is enabled.

The password feature is disabled.

NOTE: For the full name of an abbreviation or acronym used in this table, see the Glossary.