9 
1 Product Description 
What This Chapter Contains 
1.1  Overview ......................................................................................................................10 
1.2  Online Support .............................................................................................................15 
1.3  Processor.....................................................................................................................15 
1.4  System Memory ...........................................................................................................16 
1.5  Intel
®
 955X Chipset......................................................................................................21 
1.6  Discrete Serial ATA Interface (Optional)......................................................................24 
1.7  PCI Express Connectors..............................................................................................24 
1.8  Auxiliary Power (AUX PWR) Output Connector (Optional)..........................................25 
1.9  IEEE-1394a/b Connectors (Optional)...........................................................................25 
1.10  I/O Controller................................................................................................................26 
1.11  Audio Subsystem .........................................................................................................27 
1.12  LAN Subsystem ...........................................................................................................31 
1.13  Hardware Management Subsystem.............................................................................34 
1.14  Power Management.....................................................................................................36 
1.15  Trusted Platform Module (Optional).............................................................................43