Product guide

9
1 Desktop Board Features
This chapter briefly describes the features of Intel
®
Desktop Board DG31PR. Table 1
summarizes the major features of the Desktop Board.
Table 1. Feature Summary
Form Factor
microATX (218.44 millimeters [8.60 inches] x 243.84 millimeters
[9.60 inches])
Processor Support for an Intel
®
processor in the LGA775 package
Main Memory
• Two 240-pin, DDR2 1.8 V (only) SDRAM Dual Inline Memory Module
(DIMM) sockets
• 800/667 MHz single or dual channel DDR2 SDRAM interface
• Support for up to 4 GB of system memory
Chipset Intel
®
G31 Express Chipset consisting of:
• Intel G31 Express Chipset Graphics and Memory Controller Hub
(GMCH) with Intel
®
Graphics Media Accelerator 3100 (Intel
®
GMA
3100)
• Intel
®
82801G I/O Controller Hub (ICH7)
Graphics
• Intel G31 Express Chipset Graphics and Memory Controller Hub
(GMCH)
• One PCI Express* x16 connector supporting PCI Express graphics
cards
Audio
• 5.1 + 2-channel onboard audio subsystem, featuring:
― Intel
®
High Definition Audio
― Realtek*ALC888 audio codec
• Onboard S/PDIF connector
LAN Support
Realtek 8111-GR Gigabit Ethernet Controller
Expansion
Capabilities
• One PCI Express x16 connector
• One PCI Express x1 connector
• Two PCI* bus connectors
Peripheral
Interfaces
• Up to 8 USB 2.0 ports
― Four ports routed to the back panel
― Four ports routed to two USB headers
• Four Serial ATA (SATA) channels (3.0 Gb/s) via the ICH7
• One IDE interface with ATA-66/100 support (two devices)
• One diskette drive interface
• One VGA port
• One serial port header
• PS/2* keyboard and mouse ports
continued