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Desktop Board Features
21
Serial ATA
The desktop board supports four Serial ATA channels via the ICH6, connecting one device per
channel.
Expandability
The desktop boards support the following:
•
Desktop boards D915PGN and D915PCY:
One PCI Express x16 add-in card
Two PCI Express x1 add-in cards
Four PCI add-in cards
•
Desktop boards D915PSY and D915PCM:
One PCI Express x16 add-in card
One PCI Express x1 add-in card
Two PCI add-in cards
Related Links
For information about installing a PCI Express card, see page 40 in Chapter 2.
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
Firmware Hub.
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.