Lenovo ThinkCentre A35 Hardware Service Manual - Page 15

Installation of the CPU and Heat-sink Before installing the CPU, please comply with the following conditions: 1. Please make sure that the motherboard supports the CPU. 2. Please take note of the one indented corner of the CPU. If you install the CPU in the wrong direction, the CPU will not insert properly. If this occurs, please change the insert direction of the CPU. 3. Please add an even layer of heat sink paste between the CPU and heat-sink. 4. Please make sure the heat-sink is installed on the CPU prior to system use, otherwise overheating and permanent damage of the CPU may occur. 5. Please set the CPU host frequency in accordance with the processor specifications. It is no true commended that the system bus frequency be set beyond hardware specifications since it does not meet the required standards for the peripherals. If you wish to set the frequency beyond the proper specifications, please do so according to your hardware specifications including the CPU, graphics card, memory, hard drive, etc. HT functionality requirement content : Enabling the functionality of Hyper-Threading Technology for your computer system requires all of the following platform components: - CPU: An Intel® Pentium 4 Processor with HT Technology - Chipset: An SiS® Chipset that supports HT Technology - BIOS: A BIOS that supports HT Technology and has it enabled - OS: An operation system that has optimizations for HT Technology1-3-1Installation of the CPU Installation of the CPU 1.Raise the processor socket handle to 65 degrees. You maybe feel a kind of tight 2.Raise the processor socket handle all the way up to a fully raised position (around 90degrees) till you hear a "click." 14