IBM BDM-610000049 user manual multiPort Configured as a Floppy Drive Controller

Models: BDM-610000049

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multiPort Configured as a Floppy Drive Controller

The multiPort (CN6) can be configured to be a floppy drive controller. This can be configured in the BIOS Setup under Integrated Peripherals. For more information on configuring the multiPort in the BIOS Setup, refer to page 66

Table 29 shows the pin assignments to connect a floppy drive to the multiPort.

Table 29 multiPort Connector Floppy Pinout (CN6)1

CN6 Pin

Function

DB-25

Floppy Drive Pin

 

 

 

 

1

DS0#

1

14

 

 

 

 

2

DR0

14

2

 

 

 

 

3

INDEX#

2

82

4

HDSEL#

15

32

 

 

 

 

5

TRK0#

3

262

6

DIR#

16

18

 

 

 

 

7

WRTPRT#

4

282

8

STEP#

17

20

 

 

 

 

9

RDATA#

5

302

10

GND

18

 

 

 

 

11

DSKCHG

6

342

12

GND

19

odd pins

 

 

 

 

13

7

 

 

 

 

14

GND

20

odd pins

 

 

 

 

15

MTR0#

8

10

 

 

 

 

16

GND

21

odd pins

 

 

 

 

17

9

 

 

 

 

18

GND

22

odd pins

 

 

 

 

19

DS1#

10

12

 

 

 

 

20

GND

23

odd pins

 

 

 

 

21

MTR1#

11

16

 

 

 

 

22

GND

24

odd pins

 

 

 

 

23

WDATA#

12

22

 

 

 

 

24

GND

25

odd pins

 

 

 

 

25

WGATE#

13

24

 

 

 

 

26

+5 V

 

 

 

 

1.Signals marked with (#) are active low.

2.These signals must be pulled to 5V with separate 470 Ohm resistors.

44 CMX158886 cpuModule

BDM-610000049 Rev G

Page 54
Image 54
IBM BDM-610000049 user manual multiPort Configured as a Floppy Drive Controller, multiPort Connector Floppy Pinout CN61