Neumann.Berlin D1761 manual Floppy interface

			Pin assignment of internal ports
Floppy interface
		1
Pin	Signal	Pin		Signal
1	GND	18		Step DIR (low asserted)
2	FDHDIN (low asserted)	19		GND
3	GND	20		Step Pulse (low asserted)
4	not connected	21		GND
5	Key	22		Write Data (low asserted)
6	not connected	23		GND
7	GND	24		Write Enable (low asserted)
8	Index (low asserted)	25		GND
9	GND	26		Track 0 (low asserted)
10	Motor A Enable (low	27		GND
	asserted)
11	GND	28		Write Protect (low
				asserted)
12	Drive B Select (low	29		GND
	asserted)
13	GND	30		Read Data (low asserted)
14	Drive A Select (low	31		GND
	asserted)
15	GND	32		Side 1 Select (low
				asserted)
16	Motor B Enable (low	33		GND
	asserted)
17	GND	34		Disk Change (low asserted)

A26361-D1761-Z120-1-6319 English - 13