Legacy I/O Controller; Serial Ports; Parallel Port; Keyboard And Mouse Interfaces - Intel D2500CC Specification

Intel Desktop Board D2500CC Technical Product Specification
1.7

Legacy I/O Controller

The Legacy I/O Controller provides the following features:
Two serial port headers
•
Two serial port connectors on the back panel
•
One parallel port header with Enhanced Parallel Port (EPP) support
•
Serial IRQ interface compatible with serialized IRQ support for Conventional PCI
•
bus systems
PS/2-style keyboard and mouse ports
•
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 Legacy I/O controller.
For information about
The location of the headers
The serial port headers signal mapping
1.7.1

Serial Ports

The four serial ports (two back panel connectors and two internal headers) support
data transfers at speeds up to 115.2 kb/s with BIOS support.
For information about
The location of the serial port connectors
1.7.2

Parallel Port

Use the BIOS Setup program to set the parallel port mode for the 25-pin D-Sub
parallel port header.
For information about
The location of the parallel port connector
1.7.3

Keyboard and Mouse Interfaces

PS/2 keyboard and mouse connectors are located on the back panel.
NOTE
The keyboard is supported in the top PS/2 connector and the mouse is supported in
the bottom PS/2 connector. Power to the computer should be turned off before a
keyboard or mouse is connected or disconnected.
For information about
The location of the keyboard and mouse connectors
24
Refer to
Figure 11, page 43
Table 13, on page 45
Refer to
Figure 9, page 41
Refer to
Figure 9, page 41
Refer to
Figure 9, page 41