Intel Desktop Board DH57DD Product Guide
20
SATA Support
The board provides five internal SATA connectors and one back panel eSATA connector
which support one storage device per connector.
Expandability
Intel Desktop Board DH57DD provides the following connectors for system expansion:
• One PCI Express 2.0 x16 connector
• Two PCI Express 2.0 x1 connectors
• One PCI bus connector
Legacy I/O
The board’s Legacy I/O Controller provides the following legacy features:
• Low pin count (LPC) interface
• One serial port header
• Consumer Infrared (CIR) support
• Serial IRQ interface compatible with serialized IRQ support for PCI Conventional
bus systems
• Intelligent power management, including a programmable wake-up event interface
The BIOS Setup program provides configuration options for the Legacy I/O controller.
BIOS
The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, and the
PCI Express and SATA auto-configuration utilities. The BIOS is stored in the Serial
Peripheral Interface (SPI) Flash device.
The BIOS can be updated by following the instructions in Chapter 3 starting on
page 63.
SATA Auto Configuration
If you install a SATA device (such as a hard drive) in your computer, the auto-
configuration utility in the BIOS automatically detects and configures the device for
your computer. You do not need to run the BIOS Setup program after installing a
SATA device. You can override the auto-configuration options by specifying manual
configuration in the BIOS Setup program.
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