Enabling or disabling Processor x2APIC SupportEnabling or disabling Processor x2APIC Support
When enabled, Processor x2APIC Support helps operating systems run more efficiently on high core count configurations and optimizes
interrupt distribution in virtualized environments. Enabled mode does not enable x2APIC hardware, but provides the support necessary
to the operating system. Unless you are using an older hypervisor or operating system that is not compatible with x2APIC support,
leave this option enabled. Some hypervisors and operating systems cannot use X2APIC unless Processor x2APIC Support is set to Force
Enabled prior to booting.
ProcedureProcedure
1. From the System Utilities screen, select System Configuration > BIOS/Platform Configuration (RBSU) > Processor Options >
Processor x2APIC Support .
2. Select a setting.
Enabled—Generates the ACPI x2APIC control structures, and adds the option of enabling x2APIC support to the operating
system when it loads.
Force Enabled—For certain processors, enables x2APIC support to the operating system when it loads.
Disabled—Disables x2APIC support.
3. Save your setting.
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