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64 Hardware Maintenance Manual: xSeries 200
Serial connectors
Your server has two standard serial connectors: Serial connector A and Serial
connector B.
Some application programs require specific connectors, and some modems function
properly only at certain communication connector addresses. You might need to use
the Configuration/Setup Utility program to change communication connector
address assignments to prevent or resolve address conflicts.
Viewing or changing the serial-connector assignments: Complete the following
steps to view or change the serial-connector assignments:
1. Restart the server and watch the monitor screen.
2. When the message Press F1 for Configuration/Setup appears, press F1.
Table 9. Parallel connector pin-number assignments.
Pin I/O SPP/ECP Signal EPP Signal
1O -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