Dell Dimension 8400 Owner's Manual - Page 32
Start, My Computer, Properties, Hardware, Device Manager, Processors, support.dell.com
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www.dell.com | support.dell.com (SP1) or later operating system because Windows XP is optimized to take advantage of Hyper-Threading technology. While many programs can benefit from Hyper-Threading, some programs have not been optimized for Hyper-Threading and may require an update from the software manufacturer. Contact the software manufacturer for updates and information about using Hyper-Threading with your software. To determine if your computer is using Hyper-Threading technology: 1 Click the Start button, right-click My Computer, and then click Properties. 2 Click Hardware and click Device Manager. 3 In the Device Manager window, click the plus (+) sign next to Processors. If Hyper-Threading is enabled, the processor is listed twice. You can enable or disable Hyper-Threading through system setup. For more information on accessing system setup, see page 111. For more information on Hyper-Threading, search the Knowledge Base on the Dell Support website at support.dell.com. 32 Setting Up and Using Your Computer