Asus P5VDC-X Motherboard Installation Guide - Page 64

CPU Frequency [XXX], AGP/PCI Frequency [Auto], PCIE Frequency [Sync]

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The following item appears only when you set the AI Overclocking item to [Manual]. CPU Frequency [XXX] Displays the frequency sent by the clock generator to the system bus and PCI bus. The value of this item is auto-detected by the BIOS. Use the and keys to adjust the CPU frequency. You can also type the desired CPU frequency using the numeric keypad. The values range from 100 to 400. Refer to the table below for the correct Front Side Bus and CPU External Frequency settings. FSB/CPU External Frequency Synchronization Front Side Bus FSB 1066 FSB 800 FSB 533 CPU External Frequency 266 MHz 200 MHz 133 MHz AGP/PCI Frequency [Auto] Sets the AGP/PCI frequency. Configuration options: [Auto] [66.6/33.3] [75.0/37.5] [88.0/44.0] PCIE Frequency [Sync] Allows you to select the PCIE frequency mode. Configuration options: [Sync] [Async] 2-18 Chapter 2: BIOS setup

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2-18
Chapter 2: BIOS setup
FSB/CPU External Frequency Synchronization
Front Side Bus
CPU External Frequency
FSB 1066
266 MHz
FSB 800
200 MHz
FSB 533
133 MHz
The following item appears only when you set the AI Overclocking item
to [Manual].
CPU Frequency [XXX]
Displays the frequency sent by the clock generator to the system
bus and PCI bus. The value of this item is auto-detected by the BIOS.
Use the <+> and <-> keys to adjust the CPU frequency. You can also
type the desired CPU frequency using the numeric keypad. The values
range from 100 to 400. Refer to the table below for the correct Front
Side Bus and CPU External Frequency settings.
AGP/PCI Frequency [Auto]
Sets the AGP/PCI frequency. Configuration options: [Auto]
[66.6/33.3] [75.0/37.5] [88.0/44.0]
PCIE Frequency [Sync]
Allows you to select the PCIE frequency mode.
Configuration options: [Sync] [Async]