9
1 Desktop Board Features
This chapter briefly describes the features of Intel
®
Desktop Board DP45SG. Table 1
summarizes the major features of the Desktop Board.
Table 1. Feature Summary
Form Factor
ATX (294.64 millimeters [11.60 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
• 1333/1066/800 MHz DDR3 SDRAM interface
• Support for up to 8 GB of system memory
Chipset Intel
®
P45 Express Chipset consisting of:
• Intel P45 Express Chipset Memory Controller Hub (MCH) with Direct
Media Interface interconnect
• Intel
®
82801JR I/O Controller Hub (ICH10R) supporting Intel
®
Matrix Storage Technology (Intel
®
MST)
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 (Intel
®
HD Audio) interface
― IDT* 92HD73E audio codec
• HD Audio Link header
• Front panel header
• Two independent S/PDIF connectors
― Onboard 3-pin connector
― Back panel optical connector
Expansion
Capabilities
• Two PCI Express 2.0 x16 ports
• Two PCI Express 1.1 x1 ports
• Three PCI* bus connectors
Legacy I/O Support Legacy I/O Controller that provides:
• Consumer Infrared (CIR) support
• Serial port via an onboard header
Peripheral
Interfaces
• Up to 12 USB 2.0 ports:
― Six ports routed to the back panel
― Six 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 ICH10R, including
one back panel eSATA channel
continued
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