3-8AcerAltos 21000 System Guide• 100 MHz System Bus and 60ns buffered EDO memory support• New System management features via System Management bus(Smbus)The system board comes with four Slot 2 CPU sockets and theirrespective retention mechanism to secure the CPU.Installing an Intel Pentium II Xeon processorFollow these steps to install a Pentium II Xeon processor:1. Attach the fansink module to the Pentium II Xeon processor andsecure it with four screws.2. Remove the left panel of the housing. See section 2.2 for moreinformation on opening the housing panels.3. If there is an existing termination board installed in the CPU slot,remove it. Refer to section 3.1.4 for removing a terminationboard.