Dell PowerEdge R830 Owners Manual - Page 48

Processor Settings, Viewing Processor Settings, Processor Settings details

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Processor Settings You can use the Processor Settings screen to view the processor settings, and perform specific functions such as enabling virtualization technology, hardware prefetcher, and logical processor idling. Related references Processor Settings details on page 48 System BIOS on page 35 Related tasks Viewing Processor Settings on page 48 Viewing Processor Settings To view the Processor Settings screen, perform the following steps: Steps 1. Turn on, or restart your system. 2. Press F2 immediately after you see the following message: F2 = System Setup NOTE: If your operating system begins to load before you press F2, wait for the system to finish booting, and then restart your system and try again. 3. On the System Setup Main Menu screen, click System BIOS. 4. On the System BIOS screen, click Processor Settings. Related references Processor Settings on page 48 Processor Settings details on page 48 Processor Settings details About this task The Processor Settings screen details are explained as follows: Option Description Logical Processor Enables or disables the logical processors and displays the number of logical processors. If this option is set to Enabled, the BIOS displays all the logical processors. If this option is set to Disabled, the BIOS displays only one logical processor per core. This option is set to Enabled by default. QPI Speed Alternate RTID (Requestor Transaction ID) Setting Virtualization Technology Address Translation Service (ATS) Enables you to control QuickPath Interconnect data rate settings. Modifies Requestor Transaction IDs, which are QPI resources. This option is set to Disabled by default. NOTE: Enabling this option may negatively impact the overall system performance. Enables or disables the additional hardware capabilities provided for virtualization. This option is set to Enabled by default. Defines the Address Translation Cache (ATC) for devices to cache the DMA transactions. This option provides an interface between CPU and DMA Memory Management to a chipset's Address Translation and Protection Table to translate DMA addresses to host addresses. This option is set to Enabled by default. 48 Pre-operating system management applications

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Processor Settings
You can use the
Processor Settings
screen to view the processor settings, and perform specific functions such as enabling
virtualization technology, hardware prefetcher, and logical processor idling.
Related references
Processor Settings details
on page 48
System BIOS
on page 35
Related tasks
Viewing Processor Settings
on page 48
Viewing Processor Settings
To view the
Processor Settings
screen, perform the following steps:
Steps
1.
Turn on, or restart your system.
2.
Press F2 immediately after you see the following message:
F2 = System Setup
NOTE:
If your operating system begins to load before you press F2, wait for the system to finish booting, and then
restart your system and try again.
3.
On the
System Setup Main Menu
screen, click
System BIOS
.
4.
On the
System BIOS
screen, click
Processor Settings
.
Related references
Processor Settings
on page 48
Processor Settings details
on page 48
Processor Settings details
About this task
The
Processor Settings
screen details are explained as follows:
Option
Description
Logical
Processor
Enables or disables the logical processors and displays the number of logical processors. If this option is
set to
Enabled
, the BIOS displays all the logical processors. If this option is set to
Disabled
, the BIOS
displays only one logical processor per core. This option is set to
Enabled
by default.
QPI Speed
Enables you to control QuickPath Interconnect data rate settings.
Alternate RTID
(Requestor
Transaction ID)
Setting
Modifies Requestor Transaction IDs, which are QPI resources. This option is set to
Disabled
by default.
NOTE:
Enabling this option may negatively impact the overall system performance.
Virtualization
Technology
Enables or disables the additional hardware capabilities provided for virtualization. This option is set to
Enabled
by default.
Address
Translation
Service (ATS)
Defines the Address Translation Cache (ATC) for devices to cache the DMA transactions. This option
provides an interface between CPU and DMA Memory Management to a chipset's Address Translation
and Protection Table to translate DMA addresses to host addresses. This option is set to
Enabled
by
default.
48
Pre-operating system management applications