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9
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])
Processor Support for an Intel
®
processor in the LGA775 package
Main Memory
• Four 240-pin, DDR3 1.5 V SDRAM Dual Inline Memory Module
(DIMM) sockets
• 1600/1333/1066/800 MHz DDR3 SDRAM interface
• Support for up to 8 GB of system memory
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
Graphics Support for Multiple PCI Express* graphics cards
Audio
• Independent multi-streaming 8-channel (7.1) audio and 2-channel
audio subsystem, featuring:
― Intel
®
High Definition Audio interface
― IDT* STAC9274D audio codec
• HD Audio Link header
• HD Audio front panel header
• Onboard 3-pin S/PDIF connector
• ADAT* optical interface support from a back panel S/PDIF optical
port
Expansion
Capabilities
• Two PCI Express 2.0 x16 ports
• One PCI Express 1.1 x4 port (routed to a x16 connector)
• Two PCI* bus connectors
Legacy I/O Support Legacy I/O Controller that provides Consumer Infrared (CIR) support
Peripheral
Interfaces
• Up to 12 USB 2.0 ports:
― 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 ATA-66/100 support (two devices)
RAID
• Intel
®
Matrix Storage Technology for Serial ATA
continued