User manual

I771 Motherboard User Manual
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under the “Halt On”. This allows no -keyboard operation in embedded system
applications without the system halting under POST.
2.2.3 Serial COM ports
Three RS-232 connectors build in the rear I/O. Fourth optional COM ports support
RS-232. When an optional touch -screen is ordered with PPC, serial com port can
connect to a serial or an optional touch -screen. One optional COM port supports
RS232/422/485 choice through jumper setting .
2.2.4 Internal VGA
The Motherboard has one VGA port that can be connected to an external CRT/ LCD
monitor. Use VGA cable to connect to an external CRT / LCD monitor, and connect
the power cable to the outlet . The VGA connector is a standard 15 -pin D-SUB
connector.
2.2.5 Ethernet interface
The Motherboard is equipped with Intel 82574L+82567LM chipset which is fully
compliant with the PCI 10/100/1000 Mbps Ethernet protocol compatible. It is
supported by major network operating systems. The Ethernet ports provide two
standard RJ-45 jacks.
2.2.6 USB ports
Eight USB devices (four with pin headers) may be connected to the system though an
adapter cable. Various adapters may come with USB ports. USB usually connect the
external system to the system. The USB ports support hot p lug-in connection.
Whatever, you should install the device driver before you use the device.
2.2.7 Audio Jack ( Pin-header)
The Audio 5.1 channel capabilities are provided by a VIA VT1708A chipset
supporting digital audio outputs. The audio interface includes Mic-in,: line-in and
line-out.