Earlier Releases of the Product

Please contact your Sales Representative for information regarding silent installer capabilities for OEM applications, RTX USB SDKs and Windows XPe applications.

Contact salesadmin@intervalzero.com

RTX Purchased Licenses

NOTE: You need a license key to install a "Purchased License."

If you have not received a license key, please contact your Sales Representative or our Sales Administrator at salesadmin@intervalzero.com.

RTX 8.1 SDK (Latest Release)

RTX 8.1 Service Pack 1

On Nov 20. 2008 IntervalZero announced the immediate availability of Service Pack 1 for RTX 8.1 (RTX 8.1 SP1).

This service pack applies only to RTX 8.1, the latest generally available release of the product, and is not for installation on earlier versions of RTX.

Importantly, RTX 8.1 SP1 includes support for the Windows XP SP3 operating system. IntervalZero highly recommends that customers who are running Windows XP SP3 in combination with RTX 8.1 install this service pack. Additionally, RTX 8.1 customers who are planning an upgrade to XP SP3 should install RTX 8.1 SP1.

RTX 8.1 Runtime (Latest Release)

The latest version of RTX includes updated features and all development tools needed to start developing real-time applications for Windows 2000, Windows 2000 Server, Windows XP, Windows XP Embedded, Windows 2003 Server, and Windows Vista.

RTX 8.1 Runtime is used to execute real-time applications in the RTX environment. A Per-Machine Purchase Authentication Code (PAC) is needed to install the RTX Runtime.

New features in RTX 8.1 include support for the latest Windows OS’s and new RT-TCP/IP improvements:

  • Support for MP shared configurations on Windows Vista machines.
  • Message-based interrupt functionality that supports MSI/MSI-X capable devices and provides an alternative to line-based interrupts.
  • Support for MMX and SSE/SSE2/SSE3 functionality.
  • Support for RTX Hal timer periods as small as 1 microsecond on APIC systems.
  • New RT-TCPIP capabilities include:
    • Support for RAW sockets in the RT-TCP/IP stack.
    • Support for jumbo frame sizes larger than 1500 bytes in the RT-TCP/IP stack.
    • Elimination of the eight driver limit in the RT-TCP/IP stack. The stack can now manage up to 255 different drivers.
    • The RT-TCP/IP stack now supports scenarios where no devices are required.
    • Support for the WSAEventSelect Winsock API.