17
3.8 IrDA Infrared Interface Port
The ROCKY-3782EVS built in a IrDA port which supports Serial
Infrared(SIR) or Amplitude Shift Keyed IR(ASKIR) interface.
When you use the IrDA port, you have to set COM2 as SIR or
ASKIR mode in the BIOS’s Peripheral Setup. Then the RS-232
mode of COM2 will be disabled.
•
CN6 : IrDA connector
5 4 3 2 1
PIN NO.
DESCRIPTION
1 VCC
2 N/C
3 IR-RX
4 Ground
5 IR-TX
3.9 Fan Connector
The ROCKY-3782EVS provides CPU with cooling fan connector
and chassis fan connector. These connectors can supply
12V/500mA to the cooling fan. There is a “rotation” pin in fan
connector. This rotation pin is to get the fan’s rotation signal to
system. So the system BIOS could recognize the fan speed.
Please be noted that only specific fan offers the rotation signal.
•
FAN1/FAN2 : CPU/System Fan Connector
3
2
1
PIN NO.
DESCRIPTION
1 Ground
2 12V
3 Rotation
Signal
18
3.10 PS-ON Connector
This connector is used to control the ATX power supply.
•
CN16 : PS-ON Connector
1 2 3
PIN NO.
DESCRIPTION
1 +5V
Standby
2 PS-ON
3 Ground
3.11 LAN RJ45 Connector
ROCKY-3782EVS is equipped with dual Intel 82559 10/100Mbps
Ethernet Controllers. You can connect it to your LAN through
RJ45 LAN connector. The pin assignments are as follows:
•
CN7/CN8 : LAN RJ45 Connector
PIN NO. DESCRIPTION
PIN NO.
DESCRIPTION
1 TX+ 7. N/C
2 TX- 8. N/C
3.
RX+
9.
Speed +
4.
N/C
10.
Speed -
5 N/C 11.
Active
+
6. RX- 12.
Active
-
3.12 VGA Connector
•
CN17 : 15-pin Female Connector
1 RED
2 GREEN
3 BLUE
4 NC
5 GROUND
6 GROUND
7 GROUND
8 GROUND
9 NC
10 GROUND
11
NC 12
DDC
DAT
13
HSYNC 14
VSYNC
15
DDCCLK
