Acer AT350 F2 Acer AT350 F2 Server Service Guide - Page 90

76 4 System BIOS Parameter Limit CPUID Maximum MLC Streamer Prefetcher (Available when supported by the CPU) MLC Spatial Prefetcher (Available when supported by the CPU) DCU Streamer Prefetcher (Available when supported by the CPU) DCU IP Prefetcher Power Technology Energy / Performance Bias Description Options This feature allows the user to set the maximum CPU ID value. Enable this function to boot the legacy operating systems that cannot support processors with extended CPUID functions. Enabled Disabled If set to Enabled, the hardware prefetcher will prefetch streams of data and instructions from the main memory to the L2 cache to improve CPU performance. Enabled Disabled The CPU prefetches the cache line for 64 bytes if this feature is set to Disabled. The CPU prefetches both cache lines for 128 bytes as comprised if this feature is set to Enabled. Enabled Disabled Select Enabled to support Data Cache Unite (DCU) prefetch to speed up data accessing and processing in the DCU to enhance CPU performance. Enabled Disabled Select Enabled for DCU (Data Cache Unit) IP Prefetcher support, which will prefetch IP addresses to improve network connectivity and system performance. Enabled Disabled Select Energy Efficiency to support power-saving mode. Select Custom to customize system power settings. Select Disabled to disable powersaving settings. Disabled Energy Efficiency Custom Allows the system to automatically adjust processor voltage and core frequency to reduce power consumption and heat dissipation. Performance Balanced Performance Balanced Energy Energy Efficient