Flexible disk device, disk formatting method, and recording/reproducing method

摘要

Data which is greater in capacity than the prior arts is recorded and reproduced on and from a low-capacity recording medium. In a large-capacity flexible disk device having head sliders (4) loaded with a low-capacity magnetic head and a high-capacity magnetic head, a control means such as a CPU 14 and the like for controlling the low-capacity magnetic head and the high-capacity magnetic head is provided so that a high-capacity track format is written in a low-capacity recording medium (1) by the low-capacity magnetic head to record information, and the information recorded on the low-capacity recording medium (1) in a high-capacity track format is reproduced by means of the high-capacity magnetic head.