Psion Teklogix OMNii HDK XT10, User Manual

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Chapter 3: Hardware
Identifying Hardware
20 Psion Teklogix Omnii HDK User Manual
3.4 Identifying Hardware
An overview of the operating system and the installed hardware on Omnii can be viewed by
opening the System applet in the Windows Control Panel.
3.5 The LEDs
Omnii has four LEDs in the top left corner of the display bezel. From left to right the colors of
the LEDs are green/red/yellow, yellow, blue, and green/red/yellow. The yellow LED (second
from the left) can be controlled by applications with the Windows API; the name of this LED for
programming purposes is “Application”.
3.6 Connectors
In addition to the external docking connector on the base of the Omnii hand-held computer, the
following connectors exist on the main logic board:
•
Audio Expansion Connector
• End-cap Expansion Connector (Expansion Port 1)
• Pod Expansion Connector (Expansion Port 2)
• 100-Pin Multi-Function Connector (includes Expansion Port 3)
These connectors are described in detail in Chapter 6: “Omnii Expansion Ports and Connectors”.
3.6.1 Connector Locations
The following illustration shows the positions of the electrical connectors on the Omnii XT10
main logic board. These locations are shown in more precise detail in the drawing and model files
included with the HDK. See Section 5.4.1: “Physical Space Considerations” for details.