Lenovo 415711U - THINKSTATION S20 TWR W3520 2.8G User Manual

Also see for 4157 - ThinkStation S20 - 2 GB RAM: Hardware Maintenance Manual User guide User guide Hardware Maintenance Manual Safety and Warranty Guide

Contents

Installing the computer on a rack shelfYour ThinkStation computer can be used on a rack shelf. When installing thecomputer on a rack shelf, make sure to leave at least a 12.70 cm (5 inches) spacebetween the front edge of the rack shelf and your computer for fire protection.FeaturesThis section provides an overview of the computer features.System informationThe following information covers a variety of models. For information foryour specific model, use the Setup Utility. See Chapter 5, “Using the SetupUtility,” on page 21.Microprocessorv Intel ® Xeon ® dual-core processorv Intel Xeon Quad Core processorv Intel Xeon six-core processorv Internal cache (size varies by model type)Memoryv Supports up to six DDR3 ECC UDIMMs(double data rate 3 error correction code unbuffered dual inline memorymodules)Note: The Intel Xeon microprocessor families compatible with this ThinkStationcomputer feature an integrated memory controller, which provides themicroprocessor with direct access to the system memory. Because of thisdesign, the system memory speed will be determined by a number offactors, including the microprocessor model and the type, speed, size(capacity), and number of DIMMs installed. Refer to Appendix B, “Systemmemory speed,” on page 59 for the information on the supported systemmemory speed for your own computer model.Internal drivesv 3.5-inch standard half-high diskette drive (optional)v Card reader (optional)v Serial Advanced Technology Attachment (SATA) internal hard disk drive orSerial attached SCSI (SAS) internal hard disk drivev Optical driveVideo subsystemv Graphics card (varies by model type)Audio subsystemv Integrated high-definition (HD) audiov Headphone connector and microphone connector on the front panelv Eight audio connectors on the rear panel (audio line-in connector, audio line-outfront speaker connector, microphone connector, audio line-out subwoofer/center14 User Guide