 NewDos/80 allowed TRS-80 computers to take advantage of advances in floppy disk storage that went beyond the initial 87.5KB 35-track, single-density, single-sided format.The system also corrected issues that early versions of TRSDOS had with arbitrarily losing data due to errors in how it communicated with the contemporary TRS-80 disk drives' 1771 disk controller.NewDos/80 had many options for specifying specific low-level disk configurations.