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7 i/o controller, 1 serial port, 2 parallel port – Intel D865PCD User Manual

Page 27: 3 diskette drive controller, I/o controller, Serial port, Parallel port, Diskette drive controller

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Product Description

27

1.7 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.

For information about

Refer to

SMSC LPC47M172 I/O controller

http://www.smsc.com

National Semiconductor PC87372 I/O Controller

http://www.national.com/

1.7.1 Serial

Port

The boards have one serial port connector 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 8, page 44

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 8, page 44

Setting the parallel port’s mode

Table 46, page 83

1.7.3 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 on the D865PCD board

Figure 11, page 51

The supported diskette drive capacities and sizes

Table 49, page 88