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7 intel® ich7m sata controller, 8 intel® ich7m usb controller, 7 pcie bus components – IEI Integration NANO-9452 v1.00 User Manual

Page 35: 1 pcie bus overview, 2 broadcom pci express gbe interface

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NANO-9452 EPIC Motherboard

Page 17

2.6.7 Intel

®

ICH7M SATA Controller

The integrated SATA controller on the ICH7M southbridge supports two SATA drives on

the NANO-9452 with independent DMA operations. SATA controller specifications are

listed below.

Supports two SATA drives

Supports 3Gb/s data transfer speeds

Supports Serial ATA Specification, Revision 1.0a

2.6.8 Intel

®

ICH7M USB Controller

Up to six high-speed, full-speed or low-speed USB devices are supported by the ICH7M

on the NANO-9452. High-speed USB 2.0, with data transfers of up to 480MB/s, is enabled

with the ICH7M integrated Enhanced Host Controller Interface (EHCI) compliant host

controller. USB full-speed and low-speed signaling is supported by the ICH7M integrated

Universal Host Controller Interface (UHCI) controllers.

2.7 PCIe Bus Components

2.7.1 PCIe Bus Overview

The PCIe bus is connected to components listed below:

Two PCIe GbE Broadcom LAN chipsets

One Mini PCIe socket

2.7.2 Broadcom PCI Express GbE interface

The BCM5787M Broadcom PCI Express (PCIe) GbE controller is a 10/100/1000BASE-T

Ethernet LAN controller. The BCM5787M combines a triple-speed IEEE 802.3 compliant

Media Access Controller (MAC) with a triple-speed Ethernet transceiver, a PCIe bus

interface, and an on-chip buffer memory. Some of the BCM5787 controller features are

listed below:

Integrated 10/100/1000BASE-T transceiver

Automatic MDI crossover function