HP Xw6200 FAQs: Windows XP Professional x64 Edition for HP Workstations - Page 6

Windows® XP® Professional x64 Edition for HP Workstations - FAQ 26. If a 32-bit application has the same limits on Windows XP Professional x64 Edition, what is the benefit of more memory? The memory allocation for running multiple 32-bit applications is much better in XP x64 and multiple applications may have full access to 2GB of actual RAM. For example, if a system running XP x64 has 8GB of RAM and several 32-bit applications are loaded, then one or more of the applications could be completely loaded in memory. Conversely, when running Windows XP 32-bit, typically only 2GB of RAM is available for processes which must be shared. 27. What are the 3 modes of application execution that are possible on a 64-bit extensions system? The hp 64-bit extensions capable workstations can execute in three modes, Legacy, Compatibility, and 64-bit. • Legacy mode refers to running 32-bit applications on a 32-bit OS. • Compatibility mode refers to running 32-bit applications on a 64-bit OS. • 64-Bit mode is running 64-bit applications on a 64-bit OS. 28. Why are there two Internet Explorers in Windows XP Professional x64 Edition? Windows XP x64 includes a native 64-bit Internet Explorer and the 32-bit version of Internet Explorer. The 32-bit version of IE is for compatibility with 32-bit plug-ins like Macromedia and Java. Internet Explorer requires a plug-in to be the same "bitness" so a 32-bit plug-in can not be executed by the 64-bit Internet Explorer. As 32-bit plug-ins are the norm, Microsoft has made the 32-bit version of Internet Explorer the default. The 64-bit version of Internet Explorer must be manually executed. 29. Is software disk striping available in Windows XP Professional x64 Edition? Yes. XP x64 supports "Dynamic" disks the same as 32-bit XP and the Server 2003 OSs. Dynamic disks provide features that basic disks do not, such as the ability to create volumes that span multiple disks (spanned and striped volumes), and the ability to create fault tolerant volumes (mirrored and RAID-5 volumes). All volumes on dynamic disks are known as dynamic volumes. Microsoft Windows Professional x64 Edition is currently in beta. The information in this document is subject to change at any time until the OS is officially released. 31 August 2005