Intel Desktop Board DG965RY Technical Product Specification

1.6 Legacy I/O Controller

The I/O controller provides the following features:

• One serial port

• One parallel port with Extended Capabilities Port (ECP) and Enhanced Parallel Port

(EPP) support

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

• PS/2-style mouse and keyboard interfaces

• Interface for one 1.44 MB or 2.88 MB diskette drive

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

• PCI power management support

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

1.6.1 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 kbits/sec with BIOS support.

For information about Refer to

The location of the serial port header Figure 16, page 50

The signal names of the serial port header Table 21, page 52

1.6.2 Parallel Port

The 25-pin D-Sub parallel port connector is located on the back panel. Use the BIOS

Setup program to set the parallel port mode.

For information about Refer to

The location of the parallel port connector Figure 15, page 49

1.6.3 Diskette Drive Controller

The I/O controller supports one diskette drive. Use the BIOS Setup program to

configure the diskette drive interface.

For information about Refer to

The location of the diskette drive connector Figure 16, page 50

1.6.4 Keyboard and Mouse Interface

The PS/2 keyboard and mouse connectors are located on the back panel.

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NOTE

The keyboard is supported in the bottom PS/2 connector and the mouse is supported

in the top PS/2 connector. Power to the computer should be turned off before a

keyboard or mouse is connected or disconnected.

For information about Refer to

The location of the PS/2 keyboard and mouse connectors Figure 15, page 49