KylixDriver is a RAD Kylix-oriented and integrated software for PC hardware access. At the current stage of development this toolkit can be efficiently used for writing Linux device drivers for ISA/PCI specific hardware. The development of this product did not pursue a particular goal regarding its future utilization. Providing a direct hardware access from application software in multitasking operating system was always a demanding problem. Its successful resolution in terms of development of necessary programming tools will allow software developers to solve a broad range of non-trivial system tasks in their current and future projects.