7
1 Desktop Board Features
✏
NOTE
The Intel
®
Desktop Board D845GRG layout was used for illustrations unless otherwise noted.
Table 1 describes the major features of Intel
®
Desktop Boards D845GRG and D845GBV.
Table 1. Feature Summary
Form Factors
• microATX at 9.6 inches by 8.2 inches (Desktop Board D845GRG)
• ATX at 12.0 inches by 8.2 inches (Desktop Board D845GBV)
Processor
Support for:
• 533/400 MHz front side bus (FSB) Intel
®
Pentium
®
4 processor in an mPGA-
478 socket
• 400 MHz FSB Intel
®
Celeron
®
processor in an mPGA-478 socket
Memory
• Two 184-pin, 2.5 V SDRAM Dual Inline Memory Module (DIMM) sockets
• 266/200 MHz DDR SDRAM interface
• Designed to support up to 2 GB of system memory
NOTE: Desktop Boards D845GRG and D845GBV have been designed to support
DIMMs based on 512 Mbit technology up to 2 GB, but this technology has not been
validated on these Intel desktop boards. For more information about the latest list of
tested memory, refer to the Intel World Wide Web site at:
http://support.intel.com/support/motherboards/desktop/
Chipset
• Intel
®
845G chipset consisting of:
• Intel
®
82845G Graphics Memory Controller Hub (GMCH) with Accelerated
Hub Architecture (AHA) bus
• Intel
®
82801DB I/O Controller Hub (ICH4) with support for up to six
Hi-Speed Universal Serial Bus 2.0 (USB 2.0) ports
• 4 Mbit Firmware Hub (FWH)
I/O Control
Support for:
• SMSC LPC47M172
• National Semiconductor PC87372
Graphics
• Intel 845G chipset
• Integrated Intel
®
Extreme Graphics
• 1.5 V AGP connector
• Single AGP port via the connector or integrated graphics
• AGP 2.0 including 1x/2x/4x AGP data transfers and 2x/4x Fast Writes
• 350 MHz AGP Digital Display (ADD) interface cards
• Digital Video Output (DVO) port
Audio
• Intel 845G chipset (AC ’97)
• Analog Devices Inc. audio codec
continued