Desktop Board Features
17
Serial ATA Support
Intel Desktop Board DP55WB supports six onboard 3.0 Gb/s Serial ATA (SATA)
channels via the PCH.
The six onboard SATA channels provided by the PCH support the following Intel
®
Matrix Storage Technology RAID (Redundant Array of Independent Drives) levels:
• RAID 0 - data striping
• RAID 1 - data mirroring
• RAID 0+1 (or RAID 10) - data striping and data mirroring
• RAID 5 - distributed parity
For information on configuring your system for RAID using Intel Matrix Storage
Technology see Chapter 4.
Expandability
Intel Desktop Board DP55WB provides the following expansion capability:
• One PCI Express 2.0 x16 port
• Two PCI Express 2.0 x1 ports
• One PCI bus interface
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 59.
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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