multiPort Configured as a Parallel Port

The parallel port is available on connector CN6. Make sure the multiPort in the BIOS Setup is configured to parallel port. You can use the BIOS Setup to select the parallel port’s address and associated interrupt, and choose between its operational modes (SPP, ECP, EPP 1.7, and EPP 1.9).

The pinout of the connector enables a ribbon cable to be connected directly to a DB-25 connector, thus providing a standard PC compatible port.

Note For correct operation, keep the length of the cable connecting the cpuModule and parallel device less than 3 meters (10 feet).

Table 28 lists the parallel port signals and explains how to connect it to a DB-25 connector to obtain a PC compatible port.

Table 28 multiPort Connector (CN6) as a Parallel Port

CN6 Pin

Signal

Function

In/Out

DB-25

 

 

 

 

 

1

STB

Strobe Data

out

1

 

 

 

 

 

2

AFD

Autofeed

out

14

 

 

 

 

 

3

PD0

Printer Data 0 (LSB)

out

2

 

 

 

 

 

4

ERR

Printer Error

in

15

 

 

 

 

 

5

PD1

Parallel Data 1

out

3

 

 

 

 

 

6

INIT

Initialize Printer

out

16

 

 

 

 

 

7

PD2

Printer Data 2

out

4

 

 

 

 

 

8

SLIN

Select Printer

out

17

 

 

 

 

 

9

PD3

Printer Data 3

out

5

 

 

 

 

 

10

GND

Signal Ground

18

 

 

 

 

 

11

PD4

Printer Data 4

out

6

 

 

 

 

 

12

GND

Signal Ground

19

 

 

 

 

 

13

PD5

Printer Data 5

out

7

 

 

 

 

 

14

GND

Signal Ground

20

 

 

 

 

 

15

PD6

Printer Data 6

out

8

 

 

 

 

 

16

GND

Signal Ground

21

 

 

 

 

 

17

PD7

Printer Data 7 (MSB)

out

9

 

 

 

 

 

18

GND

Signal Ground

22

 

 

 

 

 

19

ACK

Acknowledge

in

10

 

 

 

 

 

20

GND

Signal Ground

23

 

 

 

 

 

21

BSY

Busy

in

11

 

 

 

 

 

22

GND

Signal Ground

24

 

 

 

 

 

23

PE

Paper End

in

12

 

 

 

 

 

24

GND

Signal Ground

25

 

 

 

 

 

25

SLCT

Ready To Receive

in

13

 

 

 

 

 

26

+5 V

 

 

 

 

 

BDM-610000049 Rev G

Chapter 3: Connecting the cpuModule 43

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Image 53
IBM BDM-610000049 user manual MultiPort Configured as a Parallel Port, MultiPort Connector CN6 as a Parallel Port

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