Справочник Пользователя для IBM XSERIES 220

 

 Installing options

The following table shows the pin-number assignments for the 25-pin, female D-shell 
parallel-port connector on the system board.

The server has two standard serial (communication) ports: serial port A and serial 
port B. 

1

O

-STROBE

-WRITE

2

I/O

Data  0

Data  0

3

I/O

Data  1

Data  1

4

I/O

Data  2

Data  2

5

I/O

Data  3

Data  3

6

I/O

Data  4

Data  4

7

I/O

Data  5

Data  5

8

I/O

Data  6

Data  6

9

I/O

Data  7

Data  7

10

I

-ACK

-ACK

11

I

BUSY

-WAIT

12

I

PE (paper end)

PE (paper end)

13

I

SLCT (select)

SLCT (select)

14

O

-AUTO FD (feed)

-AUTO FD

15

I

-ERROR

-ERROR

16

O

-INIT

-INIT

17

O

-SLCT IN

-SLCT IN

18

-

Ground

Ground

19

-

Ground

Ground

20

-

Ground

Ground

21

-

Ground

Ground

22

-

Ground

Ground

23

-

Ground

Ground

24

-

Ground

Ground

25

-

Ground

Ground

13

1

25

14