7
System Components
Chapter 2
Embedded and Industrial Computing
Component
Description
Pin Definition
Reference
F1 Power Button with dual LED
ATX Power-on button with LEDs: Standby mode in
Red; Power-on mode in Green
PBT1 on page 15
F2 Power-on Switch
A power-on switch through the terminal block for
distant power-on/off control
J1 on page 16
F3 Serial Port COM1 and COM2,
COM3 and COM4
Serial ports through the DB-9 connector; both
COM1 and COM2 support RS-232/422/485 with
jumper and BIOS menu selection among RS-
232/422/485. They also support hardware auto
flow control. COM3 and COM4 support only
RS-232.
CN3/CN4 on page 12
J7/J8 on page 13
F4 Dual USB 2.0 Ports
An USB type A connector.
USB1 on page 17
F5 Two 10/100/1000Mbps LAN
ports
Two RJ-45 (network) jacks with LED indicators as
described below. Both LAN ports are provided by
Intel 82583V. The 82583V supports PXE remote
boot
LINK/ACT (Yellow)
On/Flashing: The port is linking and active in
•
data transmission.
Off: The port is not linking.
•
SPEED (Green/Amber)
Amber: The connection speed is 1000Mbps.
•
Green: The connection speed is 100Mbps
•
Off: The connection speed is 10Mbps.
•
LAN1/LAN2 on page
15
F6 Power LED (Green)
Status (Green)
HDD (Yellow)
HDD
Blinking: data access activities
•
Off: no data access activities
•
Status
A programmable dual green/orange LED which
can be used for indicating system status.
Power
On: The computer is on.
•
Off: The computer is off .
•
Front Components
sPEEd
LINK/ACT
F2
F5
F4
F1
F3
F6
COM2
COM1
COM4
COM3
