Computer Hardware User Manual
Table Of Contents
- Contents
- About Your System
- Using The System Setup And Boot Manager
- Installing Blade Components
- Recommended Tools
- Removing And Installing A Blade
- Opening And Closing The Blade
- Inside The Blade
- Cooling Shroud
- System Memory
- I/O Module Mezzanine Cards
- Management Riser Card
- SD vFlash Card
- Network Daughter Card/LOM Riser Card
- Processors
- Hard Drives/SSDs
- Hard-Drive/SSD Backplane
- System Board
- NVRAM Backup Battery
- Storage Controller Card
- Troubleshooting Your System
- Using System Diagnostics
- Jumpers And Connectors
- Technical Specifications
- System Messages
- Getting Help

6
Jumpers And Connectors
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.
For information on resetting the password jumper to disable a password, see Disabling A Forgotten Password.
Table 3. System Board Jumper Settings
Jumper Setting Description
PWRD_EN
(default)
The password feature is enabled.
The password feature is disabled.
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 does not boot, install the jumper and boot
the system. Remove the jumper before restoring the
configuration information.)
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