2–32
Floppy Interface Connector (J14)Table 2– 25 shows the pinout and signal definitions of the floppy d isk interface conn ector, J14. Th e
pinout of J14 meets the AT standard for floppy drive cables. Table 2– 26 shows the manuf acturer’s
part numbers for mating connectors.
Table 2– 25. Floppy Disk Interface Connector (J14)
Pin Signal Name Function In/Out
2
4
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
1-33
RPM/RWC*
N/A
N/A
IDX*
MO1*
DS2*
DS1*
MO2*
DIRC*
STEP*
WD*
WE*
TRKO*
WP*
RDD*
HS*
DCHG*
(all odd)
Speed/Precomp
(Not used)
Key pin
Index Pulse
Motor On 1
Drive Select 2
Drive Select 1
Motor On 2
Direction Select
Step
Write Data
Write Enable
Track 0
Write Protect
Read Data
Head Select
Disk Change
Signal grounds
OUT
N/A
N/A
IN
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
IN
IN
IN
OUT
IN
N/A
Table 2– 26. J14 Mating Connector
Connector Type Mating Connector
RIBBON 3M 3414-7600
DISCRETE WIRE MOLEX HOUSING 22-55-2342
PN 16-02-0103