User Manual
Table Of Contents
- Dell Precision 5820 Tower Owner's Manual
- Working on your computer
- Removing and installing components
- Screw size list
- Recommended tools
- Side cover
- Power supply unit (PSU)
- Front bezel
- Hard Disk Drive bezel
- Hard disk drive assembly
- Slim Optical Disk Drive
- Front input and output bezel
- Optical Disk Drive
- 5.25 inch ODD bracket
- Front input and output panel
- Input and output panel bracket
- Intruder switch
- Internal chassis speaker
- Air shroud
- Memory
- Expansion card
- Coin cell battery
- System fan
- Fan bracket
- PCIe holder
- Heat sink and CPU fan assembly
- Processor
- Front system fan
- System board
- Technology and components
- System specifications
- System Setup
- Software
- Troubleshooting
- Contacting Dell
Option Description
Limit CPUID Value
This eld limits the maximum value the processor Standard CPUID
Function supports.
• Enable CPUID Limit
This option is not set by default.
Cache Prefetch
Allows you to turn on the MLC streamer prefetcher and MLC
spatial prefetcher.
The options are:
• Hardware Prefetcher
• Adjacent Cache Prefetch
All the options are set by default.
Intel TurboBoost
Allows you to enable or disable the Intel TurboBoost mode of the
processor.
• Enable Intel TurboBoost
This option is set by default.
Hyper-Thread Control
Allows you to enable or disable the HyperThreading in the
processor.
• Disabled
• Enabled—Default
Dell Reliable Memory Technology (RMT)
Allows you to identify and isolate memory errors in system RAM.
• Enable Dell RMT—Default
• Clear Dell RMT
System Isochronous Mode
Allows you to enable or disable this mode to reduce latency of
memory transactions at the expense of bandwidth. :
Click one of the options:
• Disabled(Default)
• Enabled
RAS Support
Allows you to report or log errors caused by memory failures, the
PCIe failures, CPU failures. The options are:
• Enable on Memory modules
• Enable on PCIe modules
• Enable on CPU modules
The options are not set by default.
Power management
Table 9. Power Management
Option Description
AC Recovery
Species how the computer will respond when AC power is applied after an AC power loss.
76 System Setup