Chapter 4: BIOS
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Power Limit 1 Override
Select Enabled to support average Power Limit (PL1) override. The options are Disabled
and Enabled. When this feature is set to Enabled, the following items will display:
Power Limit 1 (Available when "Power Limit Override" is set to Enabled)
Use this feature to congure the Power Limit 1 setting in Milli Watts (for power) and in
125mW (for step size). For XE-based models, you can use any value for this setting.
For Overclocking, please use a value between the maximum and minimum power
limits that are specied by the PACKAGE_POWER_SKU_MSR. For other congura-
tion, please use a value between the minimum power limit and the TDP Limit (Thermal
Design Power Limit) per the Intel specs. Enter 0 for the BIOS to enter the manufacturer
default as the TDP value. The default setting is 0.
Power Limit 1 Window (Available when the item above-Power Limit Override is
set to Enabled)
Use this feature to set the value of Power Limit 1 Time Window (in seconds). The value
may vary from 0 to 128. If the value is set to 0, a default value will be used (28 sec
for Mobile, and 1 sec for Desktop). The options are 0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14,
16, 20, 24, 28, 32, 40 and 48.
Power Limit 2 Override
Select Enabled to support rapid power limit (PL2) override. The default setting is Enabled.
When this feature is set to Enabled, the following items will display:
Power Limit 2
Use this feature to congure the value for Power Limit 2. The value is in milli watts (for
power) and 125mW (for step size). Use the number keys on your keyboard to enter the
value. If the value is 0, the BIOS will set PL2 as 1.25* TDP. Enter 0 to use the manu-
facture default setting.
1-Core Ratio Limit Override
This increases (multiplies) 1 clock speed in the CPU core in relation to the bus speed
when one CPU core is active. Press "+" or "-" on your keyboard to change the value.
Enter 0 to use the manufacture default setting.
2-Core Ratio Limit Override
This increases (multiplies) 2 clock speeds in the CPU core in relation to the bus speed
when two CPU cores are active. Press "+" or "-" on your keyboard to change the value.
Enter 0 to use the manufacture default setting.
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