9
1 Desktop Board Features
This chapter briefly describes the main features of Intel
®
Desktop Board D946GZIS.
Table 1 summarizes the major features of the desktop board.
Table 1. Feature Summary
Form Factor
microATX 243.84 millimeters (9.60 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 SDRAM Dual Inline Memory Module (DIMM)
sockets
• 667/533 MHz single or dual channel DDR2 SDRAM interface
• Support for up to 4 GB of system memory
Chipset
Intel
®
946GZ Express Chipset consisting of:
• Intel
®
946GZ Express Chipset Graphics and Memory Controller Hub
(GMCH)
• Intel
®
82801GB I/O Controller Hub (ICH7)
Graphics
• Intel
®
946GZ Express Chipset with
Intel
®
Graphics Media Accelerator 3000
(Intel
®
GMA 3000)
• PCI Express* graphics card support via a PCI Express x16 connector
Audio • 6-channel (5.1) onboard subsystem, featuring:
― Intel
®
High Definition Audio interface
― SigmaTel* STAC9227 audio codec
― HD Audio Link header
Expansion
Capabilities
• One PCI Express x1 connector
• One PCI Express x16 connector
• Two PCI connectors
Peripheral
Interfaces
• Up to eight 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 device per
channel
• One IDE interface with ATA-66/100 support (two devices)
• One diskette drive interface
• One VGA port
• One parallel port
• One serial port
• PS/2* keyboard and mouse ports
continued
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