Chapter 4: BIOS
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PL1 Time Window
Use this feature to dene the Running Average Power Limit (RAPL) time window 1 in
miliseconds. The default setting is 45. Use the "+" or "-" keys to dene the setting.
PL1 Power Level
Use this feature to dene the Running Average Power Limit (RAPL) power limit 1 in Watts.
The default setting is 32. Use the "+" or "-" keys to dene the setting.
PL2 Power Level
Use this feature to dene the Running Average Power Limit (RAPL) power limit 2 in Watts.
The default setting is 38. Use the "+" or "-" keys to dene the setting.
Active Processor Cores
Use this feature to set the number of processor cores that will be activated for each CPU.
Select 0 to activate all processor cores.
Chipset Conguration
Warning: Setting the wrong values in the sections below may cause the system to malfunction.
North Bridge Conguration
The following memory information will be displayed:
• MRC Version
• Total Memory
• Memory Frequency
VT-d
Select Enabled to enable Intel Virtualization Technology support for Direct I/O VT-d by
reporting the I/O device assignments to VMM 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 options are
Disabled and Enabled.
VT-d Interrupt remapping
Use this feature to enable Interrupt Remapping support, which detects and controls external
interrupt requests. The options are Disabled and Enabled.
Fast Boot
Use this feature to enable or disable fast path through the memory reference code. The
options are Disabled and Enabled.
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