This processor speed is 1917Mhz. In bios these are the settings you require(333FSB/1917Mhz). You will have to work out the multiplyer to achieve this speed. You could first go to bios and choose to load the fail safe settings. This is likely to get the PC to boot at a lesser speed than 1917Mhz but will enable you to check there are no other problems. All being well, enter bios again and enter the correct values. I have found in the past after using the fail save settings, that on a re boot the bios sometimes detects and puts the correct values in for you. If this is the case and the PC is now showing 1917Mhz, problem solved.