12
Board Layout
Chapter 3
Embedded and Industrial Computing
Connectors and Jumpers List
The tables below list the function of each of the board
jumpers and connectors by labels shown in the above
section. The next section in this chapter gives pin
definitions and instructions on setting jumpers.
Table 3.1 Connector List for
the Main
Board
Labels
Function
Pin Definition Refer-
ence Page
CF1
CompactFlash Connector
P16
CN1
DVI-D Port
P16
CN4
Power Switch with Phoenix Contact Interface
P15
COM1
RS232/422/485 Serial Port
P13
COM2
RS232/422/485 Serial Port
P13
CON1
SATA Power Connector
P14
FAN1
Fan Connector
P16
J3
Line-Out Audio Jack
P13
J4
Mic-in Audio Jack
P13
JP1
Clear CMOS Jumper
P14
JP2
Hardware or Software Reset Selection Jumper
P16
LANB1
Ethernet Port 1
P14
LANB2
Ethernet Port 2
P14
MPCIE1
Mini-PCIe Connector
P15
MPCIE2
Mini-PCIe Connector
P15
SATA1
SATA Connector
P14
SW1
Select COM1 Protocol Setting
P13
SW2
Select COM Port Terminating Resistance
P13
SW3
Select COM Port Terminating Resistance
P13
SW4
Select COM2 Protocol Setting
P13
SW5
Reset Button
P15
U45
Power Button
P15
USB1/USB2
USB Port 1-4 Connector
P15
VGA1
VGA Connector
P14
Table 3.2 Connector List for
LEK-IOA4
Board
Labels
Function
Pin Definition Refer-
ence Page
CN1
DC_IN CONNECTOR
P17
COM3
RS232 Serial Port
P17
COM4
RS232 Serial Port
P17
USB1
USB ports 1-2
P17
