Overview 2VarioLink 2221/2821/3621 2-72.2 Operating environmentThe system requirements for using this printing system and the interfacesused for connection are explained below.Connectable computers and operating systemsCheck that the computer being connected meets the following conditions.WindowsItem Operating environmentOperating system Windows NT 4.0 (Service Pack 6a or later), Windows 2000 Pro-fessional (Service Pack 4 or later), Windows XP Home Edi-tion/Professional (Service Pack 2 or later), Windows XPProfessional x64 Edition, Windows Vista Home Basic/Home Pre-mium/Ultimate/Business/Enterprise, Windows Vista Home Ba-sic/Home Premium/Ultimate/Business/Enterprise x64 Edition,Windows Server 2003 Standard Edition, Windows Server 2003x64 Edition, Windows Server 2008, or Windows Server 2008 x64EditionProcessor Pentium or higherMemory Capacity recommended for the operating systemWith sufficient memory resources in the operating system andapplication being usedDrive DVD-RWeb browser(when using Web Connec-tion)Windows NT 4.0• Microsoft Internet Explorer 4 or later recommended• Netscape Navigator 4.73 or 7.0Windows 2000• Microsoft Internet Explorer 5 or later recommended• Netscape Navigator 7.0Windows XP/Server 2003• Microsoft Internet Explorer 6 or later recommended• Netscape Navigator 7.0Windows Vista/Server 2008• Microsoft Internet Explorer 7 or later• Netscape Navigator 7.0*If using Microsoft Internet Explorer 5.5, use Service Pack 1 orlater.