ASRock 870 Extreme3 User Manual - Page 42

ASRock UCC ASRock UCC (Unlock CPU Core) feature simplifies AMD CPU activation. As long as a simple switch of the BIOS option "ASRock UCC", you can unlock the extra CPU core to enjoy an instant performance boost. When UCC feature is enabled, the dual-core or triple-core CPU will boost to the quadcore CPU, and some CPU, including quad-core CPU, can also increase L3 cache size up to 6MB, which means you can enjoy the upgrade CPU performance with a better price. Please be noted that UCC feature is supported with AM3 CPU only, and in addition, not every AM3 CPU can support this function because some CPU's hidden core may be malfunctioned. CPU Active Core Control This allows you to adjust CPU Active Core Control feature. The configuration options depend on the CPU core you adopt. The default value is [All Cores]. Processor Maximum Frequency It will display Processor Maximum Frequency for reference. North Bridge Maximum Frequency It will display North Bridge Maximum Frequency for reference. Processor Maximum Voltage It will display Processor Maximum Voltage for reference. Multiplier/Voltage Change This item is set to [Auto] by default. If it is set to [Manual], you may adjust the value of Processor Frequency and Processor Voltage. However, it is recommended to keep the default value for system stability. BIOS SETUP UTILITY Main OC Tweaker Advanced H/W Monitor Boot Security Exit EZ Overclocking Load Optimized CPU OC Setting [Press Enter] CPU Configuration Overclock Mode CPU Frequency (MHZ) PCIE Frequency (MHz) Spread Spectrum Boot Failure Guard Boot Failure Guard Count ASRock UCC CPU Active Core Control [Auto] [200] [100] [Auto] [Enabled] [3] [Disabled] [All Cores] Processor Maximum Frequency x31.5 6300 MHZ North Bridge Maximum Frequency x31.0 6200 MHZ Processor Maximum Voltage 1.5500 V Multiplier/Voltage Change [Manual] Overclocking may cause damage to your CPU and motherboard. It should be done at your own risk and expense. Select Screen Select Item Enter Go to Sub Screen F1 General Help F9 Load Defaults F10 Save and Exit ESC Exit v02.54 (C) Copyright 1985-2005, American Megatrends, Inc. CPU Frequency Multiplier For safety and system stability, it is not recommended to adjust the value of this item. CPU Voltage It allows you to adjust the value of CPU voltage. However, for safety and system stability, it is not recommended to adjust the value of this item. 42