III PDA OS is a software total solution for a bunch of personal mobile devices. III PDA OS is configurable and extendable, designed for intelligent mobile devices, both for horizontal and vertical markets. III PDA OS provides open development interface and development tools for user applications. It allows adding new device drivers easily to the system. The device drive interface is as simple as that of DOS is.
Real configuration depends on device definition.
Suggest configuration as follow. 500K. Application code size depends on complexity.