Intel DG31PR User's Guide download pdf (Page 19)

Desktop Board Features

Expandability

For system expansion, the Desktop Board provides the following expansion slots:

• One PCI Express x1 connector

• One PCI Express x16 connector

• Two PCI bus connectors

BIOS

The BIOS provides the Power-On Self-Test (POST), the BIOS Setup program, the

PCI/PCI Express and IDE auto-configuration utilities, and the video BIOS. The BIOS is

stored in the Serial Peripheral Interface (SPI) Flash component.

The BIOS can be updated by following the instructions on page

59 in Chapter 3.

Serial ATA and IDE Auto Configuration

If you install a Serial ATA or IDE 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 or IDE device. You can override the auto-configuration options by

specifying manual configuration in the BIOS Setup program.

PCI* and PCI Express* Auto Configuration

If you install a PCI/PCI Express add-in card in your computer, the PCI/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/PCI Express add-in card.

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Intel DG31PR User's Guide Page 19