7
1 Desktop Board Features
Feature Summary
Form Factor
ATX compatible (9.6 inches x 12 inches)
Processor
• Support for an Intel
®
Pentium
®
4 processor in a 423-Pin Grid Array (PGA)
package
• 400 MHz system data bus
Memory
• Four 168-pin Direct Rambus
†
RIMM
†
sockets
• Support from 128 MB to a maximum 2 GB of system memory
Chipset
Intel
®
850 chipset, consisting of:
• Intel
®
82850 Memory Controller Hub (MCH) with Accelerated Hub
Architecture (AHA) bus
• Intel
®
82801BA I/O Controller Hub (ICH2) with AHA bus
• Firmware Hub (FWH)
I/O Control
SMSC LPC47M102 low pin count (LPC) interface I/O controller
LAN (D850GBAL only)
• Intel
®
82562EM 10/100 Mbit/sec Platform LAN Connect (PLC) device
• RJ-45 connector
Video
AGP connector supporting 1.5 V 4X or 2X AGP cards
Audio (D850GBAL only)
Analog Devices AD1881 analog codec (AC ’97)
Peripheral Interfaces
• Two Universal Serial Bus (USB) ports and a header on the board for an
additional two ports
• Two IDE interfaces with Ultra DMA, ATA-66/100 support
• One diskette drive interface
• One parallel port
• One serial port
• PS/2
†
keyboard and mouse ports
Expansion Capabilities
• Five PCI bus add-in card connectors
• One AGP connector
CNR (D850GB only)
One Communication and Networking Riser (CNR) shared with PCI slot 5
BIOS
• Intel/AMI BIOS
• 4 Mbit symmetrical flash memory
• Support for SMBIOS
Power Management
• Support for Advanced Configuration and Power Interface (ACPI)
• Support for Advanced Power Management (APM)
• Support for Plug and Play
continued