Desktop Board Features 
19 
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 61 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.