User manual

DIGITAL-LOGIC AG MSM800SEV/SEL/BEV/XEV/XEL Detailed Manual V1.5
69
X44 IrDA Connector
Pin Signal
1 VCC
2 IRTX
3 IRRX
4 GND
BIOS settings:
You must enable the UART A of the GeodeLX in the BIOS setup:
F1Mother board device configurationI/O configuration:
UART port A = enabled
UART mode = SIR/CIR
Attention!
Never set the UART A mode to “Serial-16550 compatible” or “Extended” when an IrDA diode is
connected to the X44 or the diode will be destroyed!