1 Desktop Board Features
This chapter briefly describes the features of Intel® Desktop Board DX48BT2. Table 1 summarizes the major features of the Desktop Board.
Table 1. Feature Summary
Form Factor  | ATX (304.80 millimeters [12.00 inches] x 243.84 millimeters  | ||
  | [9.60 inches])  | ||
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  | 
  | |
Processor  | Support for an Intel® processor in the LGA775 package  | ||
Main Memory | •  | Four   | |
  | 
  | (DIMM) sockets  | |
  | •  | 1600/1333/1066/800 MHz DDR3 SDRAM interface  | |
  | •  | Support for up to 8 GB of system memory  | |
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  | |
Chipset | Intel® X48 Express Chipset consisting of:  | ||
  | •  | Intel X48 Express Chipset Memory Controller Hub (MCH) with Direct  | |
  | 
  | Media Interface interconnect  | |
  | •  | Intel® 82801IR I/O Controller Hub (ICH9R) supporting Intel® Matrix  | |
  | 
  | Storage Technology  | |
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  | 
  | |
Graphics  | Support for Multiple PCI Express* graphics cards  | ||
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Audio | •  | Independent   | |
  | 
  | audio subsystem, featuring:  | |
  | 
  | ― Intel® High Definition Audio interface  | |
  | 
  | ― IDT* STAC9274D audio codec  | |
  | •  | HD Audio Link header  | |
  | •  | HD Audio front panel header  | |
  | •  | Onboard   | |
  | •  | ADAT* optical interface support from a back panel S/PDIF optical  | |
  | 
  | port  | |
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  | 
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Expansion  | •  | Two PCI Express 2.0 x16 ports  | |
Capabilities  | •  | One PCI Express 1.1 x4 port (routed to a x16 connector)  | |
  | |||
  | •  | Two PCI* bus connectors  | |
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  | 
  | |
Legacy I/O Support  | Legacy I/O Controller that provides Consumer Infrared (CIR) support  | ||
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Peripheral  | •  | Up to 12 USB 2.0 ports:  | |
Interfaces | 
  | ― Eight ports routed to the back panel  | |
  | 
  | ||
  | 
  | ― Four ports routed to two USB headers  | |
  | •  | Up to two IEEE 1394a ports:  | |
  | 
  | ― One port routed to the back panel  | |
  | 
  | ― One port routed to an IEEE 1394a header  | |
  | •  | Six Serial ATA (SATA) channels (3.0 Gb/s) via ICH9R  | |
  | •  | Two external SATA (eSATA) channels via a discrete controller  | |
  | •  | One IDE interface with   | |
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RAID  | •  | Intel® Matrix Storage Technology for Serial ATA  | |
continued
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