If you don’t use the floppy interface, disable it in Setup. This frees the floppy’s I/O addresses, IRQ6, and DMA channel 2 for use by other peripherals installed on the PC/104 bus.

Floppy Interface Connector (J14)

Table 2-25shows the pinout and signal definitions of the floppy disk interface connector, J14. This pinout does not meet the AT standard for floppy drive cables. An adapter board can be purchased from Ampro that will interface the 26-pin 2mm connector to a standard 3.5” floppy disk connector.

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

Pin #

Signal Name

Function

In/Out

 

 

 

 

1

KEY

Cable Key Pin

N/A

2

DEN

Speed/Precomp

OUT

4

IDX*

Index Pulse

IN

6

MO1*

Motor On 1

OUT

8

DS2*

Drive Select 2

OUT

10

DS1*

Drive Select 1

OUT

11

MO2*

Motor On 2

OUT

12

DIRC*

Direction Select

OUT

14

STEP*

Step

OUT

15

WD*

Write Data

OUT

16

WE*

Write Enable

OUT

18

TRKO*

Track 0

IN

20

WP*

Write Protect

IN

22

RDD*

Read Data

IN

24

HS*

Head Select

OUT

26

DCHG*

Disk Change

IN

-

Other Odd Pins

Signal grounds

N/A

 

 

 

 

EIDE Hard Disk Interface

The Little Board P6d system provides an interface for up to four Integrated Device Electronics (IDE) peripheral devices, such as hard disk drives and CD-ROM drives.

The primary IDE interface appears at connector J6, a 44-pin 2mm, dual-row connector.

The secondary IDE interface appears at connector J7, also a 44-pin 2mm, dual-row connector.

Table 2-26shows the interface signals and pin outs for the IDE interface connectors. Both pinouts are identical.

2-26

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Image 44
Ampro Corporation 5001451A Eide Hard Disk Interface, Floppy Interface Connector J14, Pin # Signal Name Function In/Out

5001451A specifications

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