Chapter 4: BIOS
73
CPU Confi guration
Warning:
Setting the wrong values in the following sections may cause the system to malfunc-
tion.
Processor Confi guration
The following CPU information will be displayed:
•
Processor BSP Revision
•
Processor Socket
•
Processor ID
•
Processor Frequency
•
Processor Max Ratio
•
Processor Min Ratio
•
Microcode Revision
•
L1 Cache RAM
•
L2 Cache RAM
•
L3 Cache RAM
•
Processor 0 Version/Processor 1 Version
Hyper-Threading (ALL)
Select Enable to use Intel Hyper-Threading Technology to enhance CPU performance. The
options are
Enable
and Disable.
Core Disable Bitmap (Hex)
Use this feature to enable or disable CPU cores in the processor specifi ed by the user. Enter
0 to enable all cores available in the processor. Enter bit0 to disable CPU Core 0. Enter bit1 to
disable CPU Core 1. Please note that the maximum of 24 CPU cores are currently available
in each CPU package. The default setting is
0
.
Execute Disable Bit (Available if supported by the OS & the CPU)
Select Enable to keep mixed power-on frequency of each CPU socket. The options are
Enable
and Disable.
Intel Virtualization Technology
Select Enable to use Intel Virtualization Technology which will allow the I/O device assignments
to be directly reported to the VMM (Virtual Memory Management) through the DMAR ACPI
tables. This feature offers fully-protected I/O resource-sharing across the Intel platforms,
providing the user with greater reliability, security and availability in networking and data-
sharing. The settings are
Enable
and Disable.
