User manual
DIGITAL-LOGIC AG MSM800SEV/SEL/BEV/XEV/XEL Detailed Manual V1.7
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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!
X50 USB 1 Connector
Pin Signal
1 VCC
2 USB-P0-
3 USB-P0+
4 GND
X51 USB 2 Connector
Pin Signal
1 VCC
2 USB-P0-
3 USB-P0+
4 GND
X52 USB 3 Connector
Pin Signal
1 VCC
2 USB-P0-
3 USB-P0+
4 GND
X53 USB 4 Connector
Pin Signal
1 VCC
2 USB-P0-
3 USB-P0+
4 GND
Pin 1
VCC
Pin 2
USB-P0-
Pin 3
USB-P0+
Pin 4
GND