IBM 866011U - Netfinity 5500 - 8660, Hardware Maintenance Manual

Page: 177 / 402

Keyboard and auxiliary-device ports:
The system
board has one keyboard port and one auxiliary-device port
that supports a mouse or other pointing device. (See
“Input/Output connectors and expansion slots” on
page 194 for the locations of the connectors.)
6
4
2
1
3
5
The following table shows the pin-number assignments for
the connectors used by the keyboard and auxiliary-device
ports.
Table 4. Video Port Pin-Number Assignments
Pin Signal
1 Red
2 Green or monochrome
3 Blue
4 Monitor ID bit 2
5 Ground
6 Ground
7 Ground
8 Ground
9
+
5 V
10 Ground
11 Monitor ID bit 0
12 DDC SDA
13 Horizontal synchronization (Hsync)
14 Vertical synchronization (Vsync)
15 DDC SDL
Table 5. Keyboard and Auxiliary-Device Port
Pin-Number Assignments
Pin Signal
1 Data
2 Not connected
3 Ground
4
+
5 V dc
5 Clock
6 Not connected
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