Asus P4V800-X P4V800-X User Manual - Page 49

If you are using an unlocked CPU, the item CPU Ratio appears under the AI Overclock Tuner item. You may select your desired ratio from the available options. CPU External Frequency (MHz) [XXX] (value is auto-detected) When the AI Overclocking item is set to [Manual] this item appears and indicates the frequency sent by the clock generator to the system bus and PCI bus. The bus frequency (external frequency) multiplied by the bus multiple equals the CPU speed. The value of this item is auto-detected by BIOS and is not manually configurable. The values range from 100 to 400. Press the "+" or "-" to adjust the CPU frequency. CPU Reference Voltage [Auto] Allows selection of the Central Processing Unit (CPU) operating voltage. Configuration options: [Auto] [Over Voltage] DDR Reference Voltage [Auto] Allows selection of the DDR SDRAM operating voltage. Configuration options: [Auto] [2.6V] [2.7V] 2.4.2 USB Configuration The items in this menu allows you to change the USB-related features. Select an item then press Enter to display the configuration options. USB Configuration Module Version : 2.22.4-5.3 USB Devices Enabled : None USB 1.1 Ports Configuration USB 2.0 Ports Enable Legacy USB Support USB 2.0 Controller Mode [8 USB Ports] [Enabled] [Auto] [HiSpeed] USB Mass Storage Device Configuration Enables USB host controllers. Select Screen Select Item +- Change Option F1 General Help F10 Save and Exit ESC Exit The Module Version and USB Devices Enabled items show the auto-detected values. If no USB device is detected, the item shows None. USB 1.1 Ports Configuration [USB 8 Ports] Allows you to set the number of USB ports to activate. Configuration options: [Disabled] [USB 2 Ports] [USB 4 Ports] [USB 6 Ports] [USB 8 Ports] ASUS P4V800-X motherboard user guide 2-15