11 intel® ich9do usb controller, 1 intel® ich9do usb controller overview, 10 intel – IEI Integration PCIE-Q350 v1.12 User Manual

Page 49: Ich9do serial peripheral interface (spi) bios, 11 intel, Ich9do usb controller, 1 intel, Ich9do usb controller overview, Figure 2-11: sata drive connectors

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PCIE-Q350 PICMG 1.3 CPU Card

Page 28

AHCI or RAID mode: One controller supports all six ports including, Port 0,

Port 1, Port 2, Port 3, Port 4 and Port 5.

In the AHCI or RAID mode, 3.0 Gbps data transfer speeds are supported. The SATA drive

connectors are shown in Figure 2-11.

Figure 2-11: SATA Drive Connectors

2.5.10 Intel

®

ICH9DO Serial Peripheral Interface (SPI) BIOS

The 4-pin SPI is connected to an SPI BIOS chip. A licensed copy of AMI BIOS is

preinstalled on the SPI BIOS chip. A master-slave protocol is used for communication on

the SPI bus. The slave is connected to the Intel® ICH9DO Southbridge and is

implemented as a tri-state bus.

2.5.11 Intel

®

ICH9DO USB Controller

2.5.11.1 Intel

®

ICH9DO USB Controller Overview

The ICH9DO comprises six full/low speed USB controllers that support the standard

Universal Host Controller Interface (UHCI) Revision 1.1. Each controller supports two

USB devices ensuring up to twelve USB 1.1 devices can be connected to the PCIE-Q350.

The ICH9DO also comprises two high-speed Enhanced Host Controller Interface (EHCI)

controllers. Each EHCI controller supports six USB 2.0 devices ensuring twelve USB 2.0

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