2-1 About Operating SystemINSTALLING Windows Server 2003For installing an operating system on NEC Express5800/320Fc system, use NEC EXPRESSBUILDER.IMPORTANT:The NEC Express5800/320Fc systemis a precision instrument. You should ask maintenancepersonnel to install it.The Express Setup program is exclusively used for the NEC Express5800/320Fc system. To executethe setup program, simply select the item [Express Setup] from the menu displayed when starting thesystem through the provided CD-ROM "NEC EXPRESSBUILDER.” The setup programautomatically performs the complete setups from hardware internal parameter/status settings toinstallation of the operating system (Windows Server 2003) and various utilities.Use the NEC Express5800/320Fc system setup program for the first installation and reinstallation ofthe operating system. This program accomplishes complicate setups.Before performing the NEC Express5800/320Fc system setup, contact your sales agent about the latestrelease of ft Server Control Software.About OS InstallationRead the notes here carefully before installing the operating system.Operating System Supported by the NEC Express5800/320Fc systemThe operating system that NEC Express5800/320Fc system supports is Microsoft® Windows ServerTM2003 R2 32-bit Enterprise Edition (English), hereinafter called "Windows Server 2003."NEC Express5800/320Fc system does not support any operating systems other than the above (e.g.,Windows Server 2003 Standard Edition, Windows 2000 or Windows NT 4.0).