Intel Desktop Board D945GCCR Technical Product Specification
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1.7 Legacy I/O Controller
The legacy 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 Conventional
bus 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 Conventional bus power management support
The BIOS Setup program provides configuration options for the legacy I/O controller.
1.7.1 Serial Port
The Serial port A connector is located on the back panel. 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 A connector
Figure 12, page 49
1.7.2 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 12, page 49
1.7.3 Diskette Drive Controller
The legacy 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 13, page 50
1.7.4 Keyboard and Mouse Interface
PS/2 keyboard and mouse connectors are located on the back panel.
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 keyboard and mouse connectors
Figure 12, page 49
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