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9
1 Desktop Board Features
This chapter briefly describes the main features of Intel
®
Desktop Board D945GCZ. Table 1
summarizes the major features of the desktop board.
Table 1. Feature Summary
Form Factors
MicroBTX (10.4-inches x 10.5-inches)
Processor
Support for an Intel
®
processor in the LGA775 package
Main Memory
• Four 240-pin, 1.8 V SDRAM Dual Inline Memory Module (DIMM) sockets
• 667/533/400 MHz single or dual channel DDR2 SDRAM interface
• Designed to support up to 4 GB of system memory
NOTE: System resources (such as PCI and PCI Express*) require physical
memory address locations that reduce available memory addresses above 3 GB.
This may result in less than 4 GB of memory being available to the operating
system and applications. For the latest list of tested memory, refer to the Intel
World Wide Web site at: http://support.intel.com/support/motherboards/desktop/
Chipset
Intel
®
945G Express Chipset consisting of:
• Intel
®
82945G Graphics and Memory Controller Hub (GMCH) with Direct
Media Interface
• Intel
®
82801GB I/O Controller Hub (ICH7) or Intel
®
82801GR I/O Controller
Hub (ICH7R) supporting Intel
®
Matrix Storage Technology
• Firmware Hub (FWH)
Graphics
Intel 945G Express Chipset with Intel
®
Graphics Media Accelerator 950
Audio
• Intel 945G Express Chipset
• Intel
®
High Definition Audio interface
• SigmaTel* codec
Expansion Capabilities
• Two PCI bus add-in card connectors (SMBus routed to PCI bus 2)
• One PCI Express* x16 connector
• One PCI Express x1 connector
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 or ICH7R, one
device per channel
• One IDE interface with ATA-66/100 support (two devices)
• One VGA connector
• One diskette drive interface
• One parallel port
• One serial port
• PS/2* keyboard and mouse ports
continued