9
1 Desktop Board Features
This chapter briefly describes the main features of Intel
®
Desktop Board D945PLRN. Table 1
summarizes the major features of the desktop board.
Table 1. Feature Summary
Form Factors
ATX (11.6-inches by 9.6-inches)
Processor
Support for an 800/533 MHz Intel
®
processor in the LGA775 package
Main Memory
• Two 240-pin, 1.8 V SDRAM Dual Inline Memory Module (DIMM) sockets
• 533/400 MHz single or dual channel DDR2 SDRAM interface
• Designed to support up to 2 GB of system memory
Chipset
Intel
®
945PL Express Chipset consisting of:
• Intel
®
82945PL Memory Controller Hub (MCH) with Direct Media Interface
• Intel
®
82801GB I/O Controller Hub (ICH7)
• Serial Peripheral Interface (SPI) Flash or Firmware Hub (FWH)
Audio
• Intel 945PL Express Chipset
• Intel
®
High Definition Audio interface
• SigmaTel* codec
LAN Subsystem
Intel
®
82562 Ethernet LAN controller with RJ-45 connector
Expansion Capabilities
• Four PCI bus add-in card connectors (SMBus routed to PCI bus 2)
• One PCI Express* x16 connector
• Two PCI Express x1 connector
Peripheral Interfaces
• Up to eight Hi-Speed 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 parallel port
• One serial port
• PS/2* keyboard and mouse ports
BIOS
• Intel
®
Platform Innovation Framework for extensible firmware interface
• 4 Mbit symmetrical flash memory
• Support for SMBIOS
• Intel
®
Rapid BIOS Boot
• Intel
®
Express BIOS Update
continued
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