Acer Aspire X1420G Acer Aspire X1400 and X1420 Desktop Series Service Guide - Page 21

Advanced Chipset Features Field AMD Cool 'n' Quiet AMD-V Memory Hole Remapping Primary Video UMA Frame Buffer Size Description Select whether to enable the AMD Cool 'N' Quiet Technology. This technology allows a compliant OS to dynamically adjust the system voltage and core frequency for reduced heat and noise emission. Select whether to enable the AMD-V Technology. This technology allows a single platform to run multiple operating systems in independent partitions. When enabled, some or all of the memory between the 2 GB and 4 GB limits to addresses above 4 GB. This is a workaround for the PCI hole or PCI memory hole which is a limitation of 32-bit hardware and 32-bit operating systems that causes a computer to appear to have less memory available than is physically installed. Note: This feature is useful for systems running on 64-bit OS and those 32-bit systems that support the Physical Address Extension method. When a GPU expansion board is installed, you have the option to select which graphics controller to activate. Note: When this field is set to Auto, the graphics controller priority sequence is: PCIE, Onboard, then PCI. When a GPU expansion board is installed, you can select how the system video memory (frame buffer) is allotted. Value Enabled Disabled Enabled Disabled Enabled Disabled Auto PCIE Onboard PCI Auto 32 MB 64 MB 128 MB 256 MB Aspire AX1400 Service Guide 13