ASRock K7VT4A User Manual - Page 23

Chipset Configuration Advanced AMIBIOS SETUP UTILITY - VERSION 3.31a Chipset Configuration [ Setup Help ] AGP Mode AGP Aperture Size AGP Fast Write PCI Delay Transaction USB Controller USB Device Legacy Support DRAM CAS# Latency Over Vcore Voltage V-Link Speed Auto 64MB Disabled Disabled Enabled Disabled Auto Disabled Normal to select [4X], [2X], [1X] as the AGP mode. F1:Help Esc:Previous Menu :Select Item +/-:Change Values Enter:Select Sub-Menu F9:Setup Defaults F10:Save & Exit AGP Mode This feature will be set to [Auto] as default. AGP Aperture Size It refers to a section of the PCI memory address range used for graphics memory. It is recommended to leave this field at the default value unless the installed AGP card's specifications requires other sizes. AGP Fast Write This allows you to enable or disable the feature of AGP fast write protocol support. PCI Delay Transaction Enable PCI Delay Transaction feature will free the PCI Bus when the CPU is accessing 8-bit ISA cards. Disable this feature when using ISA cards that are not PCI 2.1 compliant. USB Controller Use this to enable or disable the use of USB controller. USB Device Legacy Support Use this to enable or disable the support to emulate legacy I/O devices such as mouse, keyboard,... etc. DRAM CAS# Latency This is used to adjust the means of memory accessing. Configuration options: [Auto], [2T], [2.5T], [3T]. Please note that not all the DDR DIMMs can support CAS latency=3T. 23