beautypg.com

1 lpc interface, 2 16c550 uarts, Figure 2-6: super i/o connections – IEI Integration PCISA-945GSE v1.01 User Manual

Page 38

background image

PCISA-945GSE CPU Card

Page 20

Figure 2-6: Super I/O Connections

Some of the features of the iTE IT8718F chipset are listed below:

ƒ ACPI and LANDesk Compliant

ƒ Enhanced

Hardware

Monitor

ƒ Fan Speed Controller

ƒ Two 16C550 UARTs for serial port control

ƒ One IEEE 1284 Parallel Port

ƒ Keyboard

Controller

ƒ Watchdog

Timer

Some of the Super I/O features are described in more detail below:

2.5.6.1 LPC Interface

The LPC interface on the Super I/O complies with the Intel

®

Low Pin Count Specification

Rev. 1.0. The LPC interface supports both LDRQ# and SERIRQ protocols as well as PCI

PME# interfaces.

2.5.6.2 16C550 UARTs

The onboard Super I/O has two integrated 16C550 UARTs that can support the following:

ƒ Two standard serial ports

ƒ IrDa 1.0 and ASKIR protocols