IBM compatible PC with at least 10 MB available disk space.

　　If the computer is used only for EHS then 4 MB RAM is sufficient.

　　If windows 3.1 is used 5M RAM is required.

　　If windows 95 is used 16M RAM is required.

　　An external Hayes or US Robotics 14.4KBPS or 28.8 KBPS is required. Preferred model: Hayes Optima or US Robotics Sportster are preferred models.

　　Crosstalk MK4V2 software

　　Direct phone line with international direct dialing and modular jack connection.

　　Printer - any parallel connected model acceptable - dot matrix, laser, bublejet

　　Equipment for EHS system installation

　　Brand of computer Dos / Windows3.1 / 95 or Chinese Version

　　Model - type (internal / external)

　　Phone Line - near compute