9-58 Upgrading Your ServerProcessor (CPU)The processor board includes four Intel Xeon MP sockets (one processor is mounted at the factory).IMPORTANT: The CPU is extremely sensitive to static electricity. Make sure totouch the metal frame of the server to discharge static electricityfrom your body before handling the CPU. Do not touch the CPUpins by a bare hand or place the CPU directly on the desk. For staticnotes, see the section "Anti-static Measures" described earlier. When using the server with the single processor configuration, CPUmust be mounted on the Processor #1. Install the CPU in the numerical order (see figure above). To maintain the cooling effect in the server, install the dummysponge onto the processor #3 and #4 sockets when the CPU is notinstalled to these sockets.NOTE: If the different revision of the processor is installed in themultiprocessor system, Windows 2000 logs the following informationevery startup. If this message is logged, it is no problem for operation.Processor (CPU #4)Processor (CPU #1)Processor (CPU #3)Processor (CPU #2)