- 1). Start up the computer containing the Intel Core 2 Quad Q9450 processor. Press either the "F8" or "F11" key to load the boot menu. (The correct "F" key is displayed at the bottom portion of the window as the computer boots.) Choose the "BIOS" option displayed on the screen, and then press "Enter."
- 2). Locate the "Front Bus" option and highlight it. Press the "Enter" key to open a list of possible values. Select a value above the default, and then hit "Enter" once more to confirm the change. Editing this option increases the motherboards front bus speed, allowing for greater CPU speeds.
- 3). Locate "CPU" or "CPU Core" in the options and highlight it. Press "Enter." Locate "Multiplier," highlight it and hit "Enter" to open a list of possible values. Increase the value by one, and then hit "Enter." This changes the CPU's frequency multiplier. The higher this value is, the higher the operating multiplier of the CPU.
- 4). Exit the boot menu completely, choosing "Yes" if you are prompted to save changes. The Intel Core 2 Quad Q9450 CPU is now overclocked.
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