Intel Desktop Board DP43BFL Technical Product Specification

1.8 Legacy I/O Controller

The Legacy I/O controller provides the following features:

• One serial port header

• PS/2-style keyboard/mouse interfaces

• Serial IRQ interface compatible with serialized IRQ support for PCI systems

• Intelligent power management, including a programmable wake-up event interface

• Conventional PCI bus power management support

The BIOS Setup program provides configuration options for the I/O controller.

1.8.1 Serial Port

The board has one serial port header located on the component side of the board. The

serial port supports data transfers at speeds up to 115.2 kb/s with BIOS support.

For information about Refer to

The location of the serial port header Figure 10, page 44

The signal names of the serial port header Table 15, page 46