Onboard Serial Port 2; Usb Keyboard Support; Onboard Fdc Controller; Onboard Serial Port 1 - MSI ATX BX1 User Manual

USB Keyboard Support

Enabled/Disabled

Onboard FDC Controller

Enabled/Disabled

Onboard Serial Port 1

Disabled/(3F8/IRQ4)/(2F8/IRQ3)/ (3E8/IRQ4)/(2E8/IRQ3)

Onboard Serial Port 2

Disabled/(3F8/IRQ4)/(2F8/IRQ3)/(3E8/IRQ4)/(2E8/IRQ3)
The system has an On-board Super I/O chipset with 2 serial ports.
The On-board serial ports can be selected as:
Note: Because the ISA Bus Interrupt accepts low to high edge trigger, the
interrupt request line cannot be shared by multiple sources. If an off-
board ISA add-on card with a serial port is installed the user may have
to disable the on-board serial port because it will conflict with IRQ
request line for the off-board serial port.
Disabled
3F8/IRQ4
2F8/IRQ3
3E8/IRQ4
2E8/IRQ3
Choosing Enabled will allow the system
to use USB keyboard without a device
driver.
The system has an on-board Super I/O
chip with a FDD controller that supports
2 FDDs for 360K/720K/1.2M/1.44M/
2.8M. Choose "Enabled" to use the on-
board FDD controller for accessing the
FDD. Otherwise choose "Disabled" to
use the off-board FDD controller.
COM 1 uses IRQ4
COM 2 uses IRQ3
COM 3 uses IRQ4
COM 4 uses IRQ4
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