Chapter 1: 7401-2xxx and 3xxx Product Overview 1-7Terminal Components not SupportedIt is important to note that the terminal does not support the followingcomponents.Not Supported Alternative ImplementationCMOS for hard totals, logs, andtalliesHard disk, flash disk, or serverstorageRemovable media, e.g., a flexdiskLAN communication to an NT servervia standard protocolsSLP terminal loading Local storage, TCP/IP networkingand PXE loadingKeylock for security (X, L, R, S) Reset switch based securityISA and PCI Expansion slots USB and LAN based devices (future)DVD ROMInternal UPS External UPSManual Video and audiocontrolsSoftware controlledDOS, Windows 3.1, WindowsNT 3.51, Windows 9x, OS/2Windows NT 4.0, Windows 2000,Windows XPe133 MHz/266 MHz PentiumProcessorIntel Pentium III 500/700 MHz and 1GHz , and Celeron 450/550/600/700MHz processors