advanced communications function การใช้

• ACF / VTAM ( Advanced Communication Function / Virtual Telecommunications Access Method ) was introduced in 1976 and was provided for a licence fee.
• At the time, the Asus P535 provided advanced communication functions and had a high performance CPU . However, the fast CPU caused an amount of energy drain which resulted in a shorter battery life than other contemporary PPC devices.
• A limited version of ACF / VTAM known as "'ACF / VTAME "'( Advanced Communications Function for the Virtual Telecommunications Access Method Entry ) was made available for DOS / VSE systems running on the IBM 4300.