Transition/Bridge Modules

Floppy Port Connector (J17)

The CPX750HATM provides a 34-pin header (J17) to interface to a floppy disk drive. The pin assignments and signal mnemonics for this connector are listed in the next table.

Table 5-10. Floppy Connector (J17)

 

 

Pin

Signal

Signal

Pin

5

 

 

 

 

 

 

1

GND

No Connect

2

 

 

 

 

 

 

 

 

3

GND

No Connect

4

 

 

 

 

 

 

 

 

5

GND

No Connect

6

 

 

 

 

 

 

 

 

7

No Connect

INDEX_L

8

 

 

 

 

 

 

 

 

9

GND

MTR0_L

10

 

 

 

 

 

 

 

 

11

GND

DS1_L

12

 

 

 

 

 

 

 

 

13

No Connect

DS0_L

14

 

 

 

 

 

 

 

 

15

GND

MTR1_L

16

 

 

 

 

 

 

 

 

17

No Connect

DIR_L

18

 

 

 

 

 

 

 

 

19

GND

STEP_L

20

 

 

 

 

 

 

 

 

21

GND

WDATA_L

22

 

 

 

 

 

 

 

 

23

GND

WGATE_L

24

 

 

 

 

 

 

 

 

25

GND

TR0_L

26

 

 

 

 

 

 

 

 

27

GND

WPROT_L

28

 

 

 

 

 

 

 

 

29

GND

RDATA_L

30

 

 

 

 

 

 

 

 

31

GND

HDSEL_L

32

 

 

 

 

 

 

 

 

33

GND

DSKCHG_L

34

 

 

 

 

 

 

+5Vdc Power Connector (J14)

The CPX750HATM has a 4-pin header that can be used to provide +5Vdc power to offboard devices. This power is derived from the fused +5Vdc power on the CPX750. Any external device powered from this connector

5-12

Computer Group Literature Center Web Site

Page 88
Image 88
Motorola CPX8216TCPX8216T manual Floppy Connector J17, Floppy Port Connector J17, +5Vdc Power Connector J14, DS0L GND MTR1L

CPX8216T, CPX8000, CPX8216TCPX8216T specifications

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