2. Installation
2.5.12 IrDA Connector (J21: Front IR; J10: Rear IR)
These connectors support optional wireless infrared transmit/receive
modules. The IrDA module mounts to a small opening on the system
cabinet. To use this feature, you must also configure UART2. to ”set
Infrared” under
Chipset Features
in the BIOS Setup to select whether
UART2 is directed for use with COM2 or IrDA. When IrDA is
selected in BIOS, COM2 will be disabled. Use the six pins as shown
on the Back View and connect a ribbon cable from the module to the
motherboard to the pin definitions.
2.5.13 External Battery Connector (J1)
When using the external battery connector, be very careful of the
polarity (positive and negative poles). Also, be sure to use only
batteries rated at 4.5~6.0V.
EP-PT21 User’s Manual
14
Pin 6 NC
5 IRTX
4 GND
3 IRRXL
2 IRRXH
1 5V
J21 FRONT
IR
J10 REAR IR
J1 EXT BATTERY
Pin #4
(positive)
Pin #1
Pin #1
Pin #1
-
