Lanner LEC-7050 - Manual (Page 15)

14
Board Layout
Chapter 3
Embedded and Industrial Computing
SW2: Select COM1 terminating resistance
SW3: Select COM2 terminating resistance
Clear CMOS jumper (JP1): It is for clearing the CMOS
settings.
LAN1/LAN2 Ports (LANB1/LANB2): The LAN ports are
provided by Intel 82583V Ethernet controller whose
interface complies with PCI-e 1.1 (2.5 Ghz). It supports PXE
remote boot as the advanced management feature
Pin No. Description
Fast Ethernet Gigabit Ethernet
1 TX+ BI_DA+
2 TX- BI_DA-
3 RX+ BI_DB+
4 -- BI_DC+
5 -- BI_DC-
6 RX- BI_DB-
7 -- BI_DD+
8 -- BI_DD-
VGA (VGA1)
Pin signal Pin signal Pin signal
1 Red Color
signal
6 GNd 11 NC
2 Green Color
signal
7 GNd 12 ddC dAT
3 Blue Color
signal
8 GNd 13 HsYNC
4 NC 9 VGA power 14 VsYNC
5 GNd 10 GNd 15 ddC CLK
Serial-ATA Connector (SATA1): It is for connecting a 2.5’’
harddisk to serve as your system’s storage. It can support
SATA II which features Data transfer rates up to 3.0 Gb/s
(300 MB/s).
4-pin Serial-ATA Power Connector (CON1): It is for
connecting the SATA power cord.
Pin No. Pin Name
1-2 Normal (default)
2-3 Clear CMOs
3
2
1
15 14 13 12 11
5 4 3 2 1
Terminating resistance TX, RX on
sW2 sW3
Terminating resistance RX on
sW3 sW2
sATA1
Pin No. Function
1 GNd
2 TX0_P
3 TX0_N
4 GNd
5 RX0_N
6 RX0_P
7 GNd
Pin No. Function
1 +12V
2 GNd
3 GNd
4 +5V
1
2
3
4
SW2
4 3 2 1
SW3
4 3 2 1
ON ON
Terminating resistance off
switch settings
Result
sW2/sW3
Terminating Resistance OFF 1,2,3,4 Off
Terminating Resistance TX, RX ON 1,2,3,4 On
Terminating Resistance RX on 1,2 Off
3,4 On