Dell PowerEdge M520 Information Update - Intel Xeon 5600 Series Processors - Page 3
Memory Settings Screen, Processor Settings Screen
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Memory Settings Screen Option Description System Memory Voltage Displays the system memory voltage. Memory Operating Voltage Sets the system memory voltage selection. (Auto Default) Memory Operating Mode Displays the type of memory operation if a valid memory configuration is installed. When set to Optimizer mode, the memory controllers run independent of each other for improved memory performance. When set to Mirror mode, memory mirroring is enabled. When set to Advanced ECC Mode, two controllers are joined in 128-bit mode running multi-bit advanced ECC. The Spare mode option is present on systems with the Intel Xeon 5600 series processors only. Processor Settings Screen Option C1E (Enabled default) Intel QPI Bandwidth Priority (Compute default) Adjacent Cache Line Prefetch (Enabled default) Hardware Prefetcher (Enabled default) DCU Streamer Prefetcher (Enabled default) Data Reuse (Enabled default) Description Sets the processor performance state to minimum when the system is idle. Sets the bandwidth priority to compute or I/O. Recommended for HPC applications. Enables high utilization of sequential memory access. NOTE: Disable this option for applications that require high utilization of random memory access. Enables or disables the hardware prefetcher. Enables Data Cache Unit streamer prefetcher. Recommended for HPC applications. Enables or disables data reuse. Recommended for HPC applications.