Analysis of information sources in references of the Wikipedia article "Floppy disk drive interface" in English language version.
The pinouts for all these drives are all based on the original Shugart floppy drive [… of the SA800 Series], but many manufacturers changed them slightly to suit their own purposes.
[…] all PC floppy disk drives are still based on (and mostly compatible with) the original Shugart designs, including the electrical and command interfaces. […] The standard interface that all PC floppy disk drives use is called the Shugart Associates SA400 interface. It was invented in the 1970s and is based on the NEC 765 controller chip.
[…] all PC floppy disk drives are still based on (and mostly compatible with) the original Shugart designs, including the electrical and command interfaces. […] The standard interface that all PC floppy disk drives use is called the Shugart Associates SA400 interface. It was invented in the 1970s and is based on the NEC 765 controller chip.
[…] all PC floppy disk drives are still based on (and mostly compatible with) the original Shugart designs, including the electrical and command interfaces. […] The standard interface that all PC floppy disk drives use is called the Shugart Associates SA400 interface. It was invented in the 1970s and is based on the NEC 765 controller chip.
The pinouts for all these drives are all based on the original Shugart floppy drive [… of the SA800 Series], but many manufacturers changed them slightly to suit their own purposes.