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5 intel( ich4 usb controller, 6 intel( ich4 pci interface, 7 intel® ich4 low pin count (lpc) interface – Intel iEi Motherboard A300 User Manual

Page 33: 5 intel, Ich4 usb controller, 6 intel, Ich4 pci interface, 7 intel, Ich4 low pin count (lpc) interface

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A300 Motherboard

audio connector. The audio connector is connected to an audio kit with an embedded

AC’97 audio codec. The AC’97 controller supports up to six PCM audio output channels.

Complete surround sound requires six-channel audio consisting of:

Front left

Front right

Back left

Back right

Center

Subwoofer

2.6.5 Intel

®

ICH4 USB Controller

Two external USB ports on the A300 board are interfaced to the chipset USB controller.

Six USB 1.1 or USB 2.0 devices can be connected simultaneously to the A300. The

chipset USB controller has the following specifications:

6 USB ports

USB 1.1 and USB 2.0 compliant

3 Universal Host Controller Interface (UHCI) controllers

High-speed, full-speed and low-speed capable

2.6.6 Intel

®

ICH4 PCI Interface

The PCI interface on the ICH4 is compliant with the PCI Revision 2.2 implementation.

Some of the features of the PCI interface are listed below.

PCI Revision 2.2 compliant

33MHz

5V tolerant PCI signals (except PME#)

Integrated PCI arbiter supports up to six PCI bus masters

2.6.7 Intel

®

ICH4 Low Pin Count (LPC) Interface

The ICH4 LPC interface complies with the LPC 1.0 specifications. The LPC bus from the

ICH4 is connected to the following components:

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