IBM 81Y Computer Hardware User Manual


 
Installing options 95
Parallel port connector
The following table shows the pin-number assignments for the 25-pin, female D-shell
parallel-port connector on the rear of the server.
Video port
Your server comes with an integrated super video graphics array (SVGA) video
controller. This controller is not removable, but you can disable it by installing a PCI
video adapter.
Note: If you install a PCI video adapter, the server BIOS will automatically disable
the integrated video controller.
The following table shows the pin-number assignments for the 15-pin analog video
connector on the rear of the server.
Table 10. Parallel-port connector pin-number assignments.
Pin I/O SPP/ECP Signal EPP Signal
1O-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
13
1
25
14