Specifications

Product Description
25
1.8 Legacy I/O Controller
The Legacy I/O controller provides the following features:
• One serial port header
• One parallel port header
• PS/2-style keyboard or mouse interface
• 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 46
The signal names of the serial port header Table 16, page 48
1.8.2 Parallel Port
The parallel port is implemented as a 26-pin header on the board. Use the BIOS
Setup program to set the parallel port mode.
For information about Refer to
The location of the parallel port header Figure 10, page 46
The signal names of the parallel port header Table 17, on page 49