A8V-VM User's Manual for English Edition
Page 60
... determines the method used for testing purpose. Configuration options: [Auto] [2.6V] [2.5V] Spread Spectrum[+/-1.00%] Allows you to select DDR reference voltage. The driver developer may enable it for programming CPU MTRRs when 4GB or more memory is present. Configuration options: [100MHz] [Synchronization] DDR Reference Voltage[Auto] Allows you...you to enable or disable clock generator spread spectrum. 2.4.2 CPU Configuration The items in this menu show the CPU-related information that the BIOS automatically detects. Continuous explicitly describes the PCI hole as non-cachable.
... determines the method used for testing purpose. Configuration options: [Auto] [2.6V] [2.5V] Spread Spectrum[+/-1.00%] Allows you to select DDR reference voltage. The driver developer may enable it for programming CPU MTRRs when 4GB or more memory is present. Configuration options: [100MHz] [Synchronization] DDR Reference Voltage[Auto] Allows you...you to enable or disable clock generator spread spectrum. 2.4.2 CPU Configuration The items in this menu show the CPU-related information that the BIOS automatically detects. Continuous explicitly describes the PCI hole as non-cachable.