Eclipse - Fujitsu Ten Mainboard D2140 Manuel d'utilisateur télécharger pdf (Page 21)

Pin assignment of internal ports

12 - English A26361-D2140-Z120-1-7419, edition 1

Floppy interface

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

asserted)

27 GND

11 GND 28 Write Protect (low asserted)

12 Drive B Select (low

asserted)

29 GND

13 GND 30 Read Data (low asserted)

14 Drive A Select (low

asserted)

31 GND

15 GND 32 Side 1 Select (low

asserted)

16 Motor B Enable (low

asserted)

33 GND

17 GND 34 Disk Change (low asserted)

1 2 ... 16 17 18 19 20 21 22 23 24 25 26 ... 39 40

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Eclipse - Fujitsu Ten Mainboard D2140 Manuel d'utilisateur Page 21