富士通公司和日本电报电话公司共同开发出实现世界最快数据传送速度和平均存取时间的“M2507系列”高性能5.25英寸磁光盘装置。它具有3个抹除/记录/再现用的半导体激光器以及两个独立的抹除与记录/再现用的透镜调节器,磁光盘每旋转一次便可进行抹除/记录/再现,实现重写和校验的功能,提高了写入时的性能。 Fujitsu and Nippon Telegraph and Telephone Corporation have jointly developed the “M2507 Series” high-performance 5.25-inch magneto-optical disk drive to achieve the world’s fastest data transfer speed and average access time. It has three semiconductor lasers for erasing / recording / reproducing and two separate lens adjusters for erasing and recording / reproducing, which can be erased / recorded / reproduced every time the magneto-optical disk is rotated, to achieve overwriting and Verify function, improve the performance when writing.