AT&T 3B2/300 Technical Reference Manual page 747

- - - - - - - - - - - - - - - - A p p e n d i x : CONNECTOR AND CABLING INFORMATION
34-PIN DEVICE CONNECTOR, JlOO
PIN
DESCRIPTION FUNCTION
1 GROUND GROUND
2
NOT USED NC
3 GROUND GROUND
4 NOT USED NC
5 GROUND GROUND
6 NOT USED NC
7 GROUND GROUND
8 INDEX (FINDEX[O]) INPUT
9 GROUND
GROUND
10 FLOPPY DRIVE SELECT O (FDSEL[O])
OUTPUT
11 GROUND GROUND
12 NOT USED
NC
13
GROUND
GROUND
14 NOT USED
NC
15 GROUND GROUND
16
MOTOR ON (MON[O]) OUTPUT
17
GROUND GROUND
18 FLOPPY DIRECTION SELECT (FDIRC[O]) OUTPUT
19 GROUND GROUND
20
FLOPPY STEP (FSTEP[O]) OUTPUT
21 GROUND GROUND
22 WRITE DATA (FWDATA[O]) OUTPUT
23
GROUND GROUND
24
FLOPPY WRITE GATE (FWGATE[O]) OUTPUT
25
GROUND GROUND
26
FLOPPY TRACK O (FTRO[O] INPUT)
27
GROUND GROUND
28 FLOPPY WRITE PROTECT (FWRTPRT[O]) INPUT
29
GROUND GROUND
30
READ DATA (FRDATA[O]) INPUT
31 GROUND
GROUND
32
FLOPPY SIDE SELECT (FSSEL[O]) OUTPUT
33 GROUND
GROUND
34 FLOPPY READY (FRDY[O])
INPUT
LEGEND:
NC No Connection
CONNECTOR AND CABLING INFORMATION B-165