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TREK-775/TREK-776 User Manual
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4.1.3
Connectors on the motherboard
On-board connectors link the Vehicle Mounted Computer to external
devices such as hard disk drives. The table below lists the function of
each connector.
* When internal COM3, COM4 connectors (CN16, CN18) are occupied,
CN23 becomes invalid.
Table 4.2: Connectors
Label
Function
CN1
LVDS connector
CN2
Inverter power connector
CN3
VGA Socket (RD debug use only)
CN4
Mini PCI socket
CN5
2.5" IDE connector
CN6
Power input connector
CN7
USB4
CN8
RESET
CN9
Power Button
CN10
USB3
CN11
Parallel port connector (Reserved)
CN12
Brightness Control connector
CN13
PCMCIA connector
CN14
Line out connector (Reserved)
CN16
Internal COM4 connector
CN17
Line/Mic in connector (Reserved)
CN18
Internal COM3 connector
CN19
LAN+USB1+USB2
CN20
PS2 connector
CN21
Internal speaker connector (Reserved)
CN22
External COM1/COM2 Connector
CN23
External COM3/COM4 Connector *