Compaq processor oversees the management of the computer's operations and the processing of data. 0950-4454 Compaq 900MHz 400MHz FSB 1.5MB L2 Cache Socket PPGA611 Intel Itanium 2 1-Core Processor is a high-performance CPU that is capable of quickly and effectively handling difficult jobs like video editing, gaming, and scientific calculations. They are offered at a variety of speeds and configurations, and are frequently classified into categories based on how much power they consume and how well they function.