I/O Equipment Installation - Winmate A831 User Manual

2.2 I/O Equipment Installation

2.2.1 PS/2 Keyboard and PS/2 Mouse
The A831 SBC provides a Mini-DIN connector supports PS/2 interface. Mini-DIN
connector supports Keyboard and Mouse through Y cable. Please plug keyboard or
mouse directly with Y cable. In other cases, especially in embedded applications, a
mouse is not used. Therefore, the BIOS standard setup menu allows you to select*
"All, But Keyboard" under the "Halt On". This allows no-keyboard operation in
embedded system applications without the system halting under POST.
2.2.2 Audio function
The AC'97 capabilities are provided by a Realtek ALC203 chip supporting digital
audio outputs. The onboard ALC203 is a 20-bit DAC and 18-bit ADC supporting
full-duplex AC'97 2.3 compatible stereo audio CODEC for multimedia, including
host/soft audio based designs. The audio interface includes two jacks: microphone-in
and line-out.
2.2.3 Serial COM ports
One RS-232 ports with 16C550 UART (or compatible) with 16-byte FIFO buffer.
Three 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 Ethernet interface
The Motherboard is equipped with dual Realtek RTL8100C or optional dual Realtek
RTL8110SC Gigabit Ethernet chipset which is fully compliant with the PCI 10/100
Mbps Ethernet protocol compatible. It is supported by major network operating
systems. The Ethernet port provides a standard RJ-45 jack.
2.2.5 USB ports
Four USB (Two is optional) device 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 plug-in connection. Whatever, you
should install the device driver before you use the device.
2.2.6 External 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. VGA connector is a standard 15-pin D-SUB connector.
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A831 SBC User Manual