DG33BU datasheet(21/84 Pages) INTEL

21 / 84 page

Product Description

•

HDMI support (when used with the HD Audio Link)

1.6.2

Intel® Viiv™ Processor Technology

This Intel desktop board supports Intel Viiv processor technology. To be eligible for

the Intel Viiv processor technology brand, a system must meet certain hardware and

software requirements. To get the list of requirements for Intel Viiv processor

technology branding as well as all the features supported by Intel Viiv processor

technology, refer to

http://www.intel.com/products/viiv/index.htm

1.6.3

USB

The board supports up to 12 USB 2.0 ports, supports UHCI and EHCI, and uses UHCI-

and EHCI-compatible drivers.

The ICH9DH provides the USB controller for all ports. The port arrangement is as

follows:

•

Six ports are implemented with stacked back panel connectors

•

Six ports are routed to three separate front panel USB headers

For information about

Refer to

The location of the USB connectors on the back panel

Figure 9, page 41

The location of the front panel USB headers

Figure 10, page 42

1.6.4

Serial ATA Interfaces

The board provides four Serial ATA (SATA) connectors, which support one device per

connector.

1.6.4.1

Serial ATA Support

The DG33BU Desktop Board’s Serial ATA controller offers four independent Serial ATA

ports with a theoretical maximum transfer rate of 3 Gbits/sec per port. One device

can be installed on each port for a maximum of four Serial ATA devices. A point-to-

point interface is used for host to device connections, unlike Parallel ATA IDE which

supports a master/slave configuration and two devices per channel.

For compatibility, the underlying Serial ATA functionality is transparent to the

operating system. The Serial ATA controller can operate in both legacy and native

modes. In legacy mode, standard IDE I/O and IRQ resources are assigned (IRQ 14

and 15). In Native mode, standard PCI Conventional bus resource steering is used.

Native mode is the preferred mode for configurations using the Windows* XP

operating system.

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