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Installing options 87
Parallel port connector
The following table shows the pin-number assignments for the 25-pin, female D-shell
parallel-port connector on the system board.
Serial ports
The server has two standard serial (communication) ports: serial port A and serial
port B.
Pin I/O SPP/ECP Signal EPP Signal
1 O -STROBE -WRITE
2I/OData 0 Data 0
3I/OData 1 Data 1
4I/OData 2 Data 2
5I/OData 3 Data 3
6I/OData 4 Data 4
7I/OData 5 Data 5
8I/OData 6 Data 6
9I/OData 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
Table 9. Parallel-port connector pin-number assignments.
13
1
25
14