Chapter 3, Board layout, Connectors and jumpers list – Lanner LEC-2280E-7BN4/8 User Manual
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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 LEK-IOA5 Board
Labels
Function
Pin Definition Reference
Page
CN1
RS232 Serial Port 2
P16
CN2
RS232 Serial Port 3
P16
CN3
RS232 Serial Port 4
P16
CN4
Digital I/O
P16
CON1
Multiple I/O Connector
P16
COM1
RS232 Port 1
P16
Note: Daughter boards such as COM ports and low-profile PCIe extension boards can only be inserted
to the mainboards that has the same version as the extension boards. The board version is shown on
top of the boards. Failure to do so may damage the system.
Table 3.2 Connector List for LEB-2280 Board
Labels
Function
Pin Definition Reference
Page
CMOS1
Cleaning CMOS data including RTC
P17
CMOS2
Cleaning CMOS data only
P17
COMSLT1
Daughter board LEK-IOA3 enable/disable
P21
COMSLT2
Daughter board LEK-IG1 enable/disable
P21
CN3 (optional)
Optional Power Connector with Power
-ignition Control
P21
CN4
DC-in Power Connector
P20
DCJK1 (optional)
Optional DC Jack type of Power Connector
P21
DVID1
DVI-D Connector
P19
FAN1/FAN2
System Fan Connector
P19
Front1
Front Panel Function Pin Header
P18
HDMI1
HDMI Port
P19
Ignition1(optional)
Connector for power Ignition Control
P21
J1
PEG16X Lane Function Selection
P20
LAN1/LAN2
Ethernet Connector 1/Ethernet Connector 2 P21
LPC1
Low Pin Count Interface
Reserved for factory use
KBM1
Keyboard and Mouse Connector
P21
MIO1
COM and Audio Expansion Card Connector
P18
MPCIE1
Mini-PCIe Connector
P20
MPCIE2
Mini-PCIe Connector
P20
PCIEIO1
PCI/PCIE Expansion connector for PCI or PCIe
low profile card (PCIEIO1, on the backside)
P19
PWR1
Right-angled SATA Power Connector
P18
RST1
Reset Button
P20
SATA1/SATA2
Serial-ATA Connector (SATA2 supports SATA-
DOM)
P17
SATA_PW2
Switch for SATA port 2 power state
P22
SATA_PWR1
SATA Power Connector
P17
SIM1
SIM Card Reader
P18
SPI1
Serial Peripheral Interface Bus
Reserved for factory use
USB1/USB2/USB3
USB Type A Connector #0,1; #2,3; #4,5
P17
USB4
USB Pin Header
P17
VGA1
VGA Port
P19