Datasheet

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