Desktop Board Features
19
Legacy I/O
Intel Desktop Board DP55WG includes an I/O controller that provides the following
legacy I/O features:
• Consumer Infrared (CIR) support
• Low pin count (LPC) interface
• Intelligent power management, including a programmable wake up event interface
• PCI power management support
Expandability
Intel Desktop Board DP55WG provides the following expansion capability:
• One PCI Express 2.0 x16 port (x8/x16 electrical)
• One PCI Express 2.0 x8 port (x8 electrical; x16 compatible)
• One PCI Express 2.0 x4 port (x4 electrical; x16 compatible)
• Two PCI Express 2.0 x1 ports
• Two PCI bus connectors
BIOS
The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, and the
PCI/PCI Express and SATA auto-configuration utilities. The BIOS is stored in a Serial
Peripheral Interface (SPI) Flash device.
The BIOS can be updated by following the instructions in Chapter 3 starting on
page 65.
Serial ATA Auto Configuration
If you install a Serial ATA 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
Serial ATA device. You can override the auto-configuration options by specifying
manual configuration in the BIOS Setup program.
PCI Express* Auto Configuration
If you install a PCI Express add-in card in your computer, the PCI Express auto-
configuration utility in the BIOS automatically detects and configures the resources
(IRQs, DMA channels, and I/O space) for that add-in card. You do not need to run the
BIOS Setup program after you install a PCI Express add-in card.
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