User Manual version 2503

4.1.5.8.

FDD1: FDD connector

 

Pin #

Signal

Pin #

Signal

1

VCC

2

INDEX#

3

VCC

4

DSA#

5

VCC

6

DSKCHG#

7

NC

8

NC

9

NC

10

MOA#

11

NC

12

DIR#

13

RWC#

14

STEP#

15

GND

16

WD#

17

GND

18

WE#

19

GND

20

TRAK0#

21

GND

22

WP#

23

GND

24

RDATA#

25

GND

26

HEAD#

4.1.5.9. COM2:

COM2 is a RS-232, 422 or 485, selected via BIOS setup.

Pin #

Signal

Pin #

Signal

1

DCD/422TX-

2

DSR

3

RXD/422TX+

4

RTS

5

TXD/422RX+

6

CTS

7

DTR/422RX-

8

RI

9

GND

10

KEY

4-58

LIBRA 120 III (PC620 Intel 815E)

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March Products 120 III (PC620) user manual Dsr