Dell PowerEdge R520 User Manual - Page 3

Overview This document provides important information for installing the second processor in Dell PowerEdge R520 and PowerEdge R420 systems. Before You Begin To install a second processor in your system, you must ensure that you have: • Replaced the dummy fan in the FAN 6 slot with a cooling fan. For more information on replacing the fan, see "Removing a Cooling Fan" and "Installing a Cooling Fan" in the relevant Owner's Manual on support.dell.com. • Upgraded the riser cards as indicated in the table below: Table 1-1. Riser Upgrade Information PowerEdge System R520 R420 Upgrade From To Riser1_1P: One half-height, half-length x4 link Riser1_2P: One half-height, half-length x16 link Riser2_1P: Riser2_2P: • One full-height, full-length x8 • One full-height, full-length x8 link link • Two full-height, half-length x4 • Two full-height, half-length x8 link link Riser1_1P: One half-height, half-length x4 link Riser1_2P: One half-height, half length x16 link Riser2_1P: One full-height, half-length x16 link Same as Riser2_1P For more information on replacing the riser cards, see "Expansion Cards and Expansion-Card Risers" and "Technical Specifications" in the Owner's Manual at support.dell.com. NOTE: When selecting or upgrading your system configuration, verify the system power consumption with the Dell Energy Smart Solution Advisor at dell.com/ESSA to ensure optimum power utilization. Additonal Processor Installation 3