Original TS10 use Sony MPF420 drive (1993)
New floppy drives need a modifikation.
The 1.44 PC dirive is High density drive.
The problem is than old floppy drives used interface pin 2 to report inserted diskette
density - 0-high density(HD), 1-low density(DD).The most new floppy
drives not report density at all or report inverted (1-HD 0-DD).
I have modified drive with one n-p-n transistor and 1 resistor and it
works fine on TS10.Colector is connected to interface pin2, Emitter to ground
and 22k resistor from Base to density swith.
: Good luck