13
Motherboard Information
Chapter 3
Embedded and Industrial Computing
COM1 Type Jumper Selection (SC1T1/SC1T2): Use
jumpers SC1T1 and SC1T2 to select COM1 communication
type.
Ring-indicator Jumper Setting (SC1T3): The Ring
indicator pinout of the RS-232 COM port (COMB1) can be
altered according to the following jumper settings.
VGA Interface Connector (VGA1): It is for
connecting the VGA interface cable (2x6 to female
DB15). The VGA is provided by the integrated GPU which
implements Intel® Graphics Media Accelerator 3150 which
supports the following features:
DirectX 9.0c Support: •
MPEG2 Decode capability in Hardware •
Dual Independent Display of VGA and LVDS •
Intel® Dynamic Video Memory Technology 4.0 •
support
-Integrated single LVDS channel support resolution
up to 1280x800 or 1366x768
-Analog RGB display output up to resolution
1400x1050@60Hz
Directx* 9 compliant Pixel Shader* v2.0 •
Intel • ® Clear Video Technology equipped including
MPEG2 Hardware Acceleration and ProcAmp
Development software support including OpenGL* •
1.5 with Microsoft* Windows* and OpenGL* 2.0 with
Linux
SATA Connector (SATA1): It is for connecting a 2.5’’
SATA harddisk to be served as your system’s storage. It
supports rates up to 3.0 Gb/s (300 MB/s) with Integrated
AHCI controller
1
2
3
4
5
6
7
Jumper Settings
Clear CMOS jumper (CMOS1): It is for clearing the
CMOS memory.
Panel Voltage Selector (VLCD1): Use this jumper to
adjust the 5-pin LCD inverter power output.
4-pin Reset or Power-on Push Button (PSBTN1):
This button can be pushed to power up or reset the
system depending on the jumper setting (J2).
PSBTN1 Jumper Selection (J2): It is used for selecting
the PSBTN1 push button’s function.
RS-232 COM Port(COMB1, assigned as
COM1): It is for connecting the RS-232 serial port inter-
face cable. It also supports RS-422 and RS-485 communi-
cation protocols.
RS-232 COM Port(COMB2, assigned as
COM2): It is for connecting the RS-232 serial port inter-
face cable. Unlike COMB1, it only supports RS-232 com-
munication protocol.
Pin No. Signal
1-2 Normal (Default)
2-3 Clear CMOS
1 2 3
Pin No. Signal
1-2 +3.3V (Default)
2-3 +5V
3
2
1
2
4
1
3
Pin No. Signal
1 Reset Signal
2 GND
3 GND
4 GND
Pin
No.
RS-232 Signal RS-422. RS-485
1
Data Carrier Detect (DCD#) 422TX- DATA-
2
Data Set Ready (DSR#) 422TX+ DATA+
3
Receive Data (RXD) 422RX+
4
Request to Send (RTS#) 422RX-
5
Transmit Data (TXD)
6
Clear to Send (CTS#)
7
Data Terminal Ready (DTR #)
8
Ring Indicator (RI#)
9
Ground
10
Key
10
8
6
4
2
9
7
5
3
1
Jumper
COM1 Type
SC1T1 SC1T2
RS-232 (default) 1-2 1-5,2-6,3-7,4-8
RS-422 3-4 5-9,6-10,7-11,8-12
RS-485 5-6 5-9,6-10,7-11,8-12
10
8
6
4
2
9
7
5
3
1
Pin No. Signal PIN No. Signal
1
Data Carrier Detect (DCD#)
6
Clear to Send (CTS#)
2
Data Set Ready (DSR#)
7
Data Terminal Ready (DTR #)
3
Receive Data (RXD)
8
Ring Indicator (RI#)
4
Request to Send (RTS#)
9
Ground
5
Transmit Data (TXD) 10
Key
Pin No. Function
5-6 (default) RS-232 Ring
3-4 Supply +12V to Device
1-2 Supply +5V to Device
1 3 5
2 4 6
Pin No. Signal
1 GND
2 TX+
3 TX-
4 GND
5 RX-
6 RX+
7 GND
Pin No. Functkon
1-2 Power button
2-3 (default) Reset button
3
2
1
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