![background image](http://html1.mh-extra.com/html/aaeon/emb-h81a/emb-h81a_manual_3237131025.webp)
2-17
Chapter 2: Motherboard information
2.9 Connectors
2.9.1
Rear panel connectors
2
3
4
7
4
8
9
2
5
6
1
10
1.
PS/2 keyboard/mouse port (purple/green).
This port is for a PS/2 keyboard
or mouse.
2.
Serial ports (COM1 / COM2).
These ports connect a modem, or other
devices that conform with serial specification.
3.
Video Graphics Adapter (VGA) port.
This 15-pin port is for a VGA monitor
or other VGA-compatible devices.
NOTE:
If you use VGA port only, please disable LVDS function. Refer to
section 3.4.1
System Agent (SA) Configuration
for details.
4.
LAN1 (RJ-45) port.
These ports allow Gigabit connection to a Local Area
Network (LAN) through a network hub. Refer to the table below for the LAN1/
LAN2 ports LED indications.
Pin
Signal
Pin
Signal
1
DCD (422TXD-/485DATA-)
2
RXD ()
3
TXD (/) 4
DTR (422RXD-)
5
GND
6
DSR
7
RTS
8
CTS
9
RI/+12V/+5V
10
N.C.
NOTES:
• The COM module is purchased separately.
• Only COM1 can support RS-232 / RS-422 / RS-485.
Summary of Contents for EMB-H81A
Page 1: ...Industrial Motherboard EMB H81A...
Page 8: ...EMB H81A 1 4...
Page 15: ...2 7 Chapter 2 Motherboard information 2 4 1 Installing the CPU 1 A B 2 3...
Page 16: ...EMB H81A 2 8 A B C 4 5...
Page 18: ...EMB H81A 2 10 A B B A To uninstall the CPU heatsink and fan assembly 2 1...
Page 20: ...EMB H81A 2 12 To remove a DIMM A B 2 5 1 Installing a DIMM 1 2 3 A...
Page 49: ...3 16 EMB H81A...
Page 51: ...A 2 EMB H81A Pb Hg Cd Cr VI PBB PBDE SJ T 11363 2006 SJ T 11363 2006 2002 95 EC...