Floppy Interface Connector (J14)

Table 2– 25 shows the pinout and signal definitions of the floppy disk interface connector, J14. The pinout of J14 meets the AT standard for floppy drive cables. Table 2– 26 shows the manufacturer’s part numbers for mating connectors.

Table 2– 25. Floppy Disk Interface Connector (J14)

 

Pin

 

Signal Name

 

Function

In/Out

 

 

 

 

 

 

 

 

 

 

2

 

RPM/RWC*

 

Speed/Precomp

OUT

 

 

4

 

N/A

 

(Not used)

N/A

 

 

6

 

N/A

 

Key pin

N/A

 

 

8

 

IDX*

 

Index Pulse

IN

 

 

10

 

MO1*

 

Motor On 1

OUT

 

 

12

 

DS2*

 

Drive Select 2

OUT

 

 

14

 

DS1*

 

Drive Select 1

OUT

 

 

16

 

MO2*

 

Motor On 2

OUT

 

 

18

 

DIRC*

 

Direction Select

OUT

 

 

20

 

STEP*

 

Step

OUT

 

 

22

 

WD*

 

Write Data

OUT

 

 

24

 

WE*

 

Write Enable

OUT

 

 

26

 

TRKO*

 

Track 0

IN

 

 

28

 

WP*

 

Write Protect

IN

 

 

30

 

RDD*

 

Read Data

IN

 

 

32

 

HS*

 

Head Select

OUT

 

 

34

 

DCHG*

 

Disk Change

IN

 

 

1-33

 

(all odd)

 

Signal grounds

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

 

 

2–32

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Ampro Corporation P5X manual Floppy Interface Connector J14, Pin Signal Name Function In/Out