Intel DP45SG manual Desktop Board Features, Feature Summary

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	•	Two PCI Express 2.0 x16 ports
Capabilities	•	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	•	Up to 12 USB 2.0 ports:
Interfaces		― 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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