Sigma Seven Systems Ltd.

You can obtain contact information as well as some information related to our products and services through this web page.

On this page:
  • Products for Apple X/Lisa, Apple ][ and Apple ///
  • Contact Info
  • Not on this page:
  • Out of production products

  • Products for Apple X/Lisa, Apple ][ and Apple ///

    1. X/ProFile provides an interface between the Apple parallel interface protocol and economical, readily available, and better performing IDE storage devices

    2. BLU is a Basic Lisa Utility. It runs on Apple Lisa base hardware without an operating system, and implements a few operations in support of the various operating systems that run on Lisa.

    Current Contact Information