9
1 Desktop Board Features
This chapter briefly describes the features of Intel
®
Desktop Board DP55WG. 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 LGA1156 package
Main Memory
• Four 240-pin DDR3 SDRAM Dual Inline Memory Module (DIMM)
sockets arranged in two channels
• Support for DDR3 1600+ MHz, DDR3 1333 MHz, and DDR3
1066 MHz DIMMs
• Support for non-ECC memory
• Support for up to 16 GB of system memory
Chipset Intel
®
P55 Express Chipset consisting of the Intel P55 Express Chipset
Platform Controller Hub (PCH)
Graphics Support for multiple PCI Express* 2.0 graphics cards
Audio
• Independent multi-streaming 8-channel (7.1) audio and 2-channel
audio subsystem, featuring:
― Intel
®
High Definition (Intel
®
HD) Audio interface
― Realtek* ALC889 codec
• HD Audio front panel header
• Onboard 4-pin S/PDIF out connector
• Back panel S/PDIF out and in optical connectors
Expansion
Capabilities
• One PCI Express 2.0 x16 port
• One PCI Express 2.0 x8 port
• One PCI Express 2.0 x4 port
• Two PCI Express 2.0 x1 ports
• Two PCI* bus connectors
Legacy I/O Support Legacy I/O Controller that provides Consumer Infrared (CIR) support
Peripheral
Interfaces
• Up to 14 USB 2.0 ports:
― Eight ports routed to eight back panel USB connectors
― Six ports routed to three onboard 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 the PCH
continued
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