ASRock P4i45GL User Manual - Page 23

Chipset Configuration: AMIBIOS SETUP UTILITY - VERSION 3.31a Advanced Chipset Configuration [ Setup Help ] AGP Aperture Size Onboard VGA Share Memory ICH Delayed Transaction USB Controller USB Device Legacy Support CPU Thermal Throttling DRAM Write Throttling SDRAM CAS Latency 64MB 1MB Disabled Enabled Disabled Enabled Enabled Auto to select the size of mapped memory for graphics data. F1:Help Esc:Previous Menu :Select Item +/-:Change Values Enter:Select Sub-Menu F9:Setup Defaults F10:Save & Exit AGP Aperture Size: It refers to a section of the PCI memory address range used for graphics memory. We recommend that you leave this field at the default value unless your AGP card requires other sizes. OnBoard VGA Share Memory: This allows you to select the size of share memory for onboard VGA. Onboard VGA will get better resolution if larger size of share memory is selected. Please do not select [Disabled] if PCI graphics card is not inserted. ICH Delayed Transaction: Select [Enabled] will enable delayed transactions for internal register, FWH, and LPC interface accesses. USB Controller: Use this to enable or disable the use of USB controller. USB Device Legacy Support: Use this to enable or disable support to emulate legacy I/O devices such as mouse, keyboard,...etc. CPU Thermal Throttling: Select [Enabled] will enable P4 thermal control circuit to keep CPU from overheated. DRAM Write Throttling: Select [Enabled] will enable north bridge thermal management to keep it from overheated. SDRAM CAS Latency: This parameter controls the latency between the read command and the time the data available. 23