130 mm (5.25 in) flexible disk cartridge track format using modified frequency modulation recording at 7958 bprad on two sides - 1.9 tpmm (48 tpi) for information interchange | lit.salon
130 mm (5.25 in) flexible disk cartridge track format using modified frequency modulation recording at 7958 bprad on two sides - 1.9 tpmm (48 tpi) for information interchange