AIMB-275 User Manual 16
2.4 Serial Ports (COM1~COM2)
AIMB-275 supports two serial ports, COM1 supports RS-232 function, COM2 sup-
ports RS-232/422/485 function by BIOS selection. These ports can connect to serial
devices, such as a mouse or a printer, or to a communications network. The IRQ and
address ranges for both ports are fixed. However, if you want to disable the port or
change these parameters later, you can do this in the system BIOS setup. Different
devices implement the RS-232 standards in different ways. If you have problems with
a serial device, be sure to check the pin assignments for the connector.
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