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7
1 Desktop Board Features
✏
NOTE
The Intel
®
Desktop Board D845EPT2 layout was used for illustrations unless otherwise noted.
Table 1 describes the major features of the Desktop Boards D845EPT2 and D845EBG2.
Table 1. Feature Summary
Form Factors
• microATX at 8.2 inches by 9.6 inches (Desktop Board D845EPT2)
• ATX at 8.2 inches by 12.0 inches (Desktop Board D845EBG2)
Processor
Support for a single Intel
®
Pentium
®
4 processor with 533/400 MHz front side
bus (FSB) frequency in an mPGA478 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: The Desktop Boards D845EPT2 and D845EBG2 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
®
845E chipset consisting of:
• Intel
®
82845E Memory Controller Hub (MCH) 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
SMSC LPC47M102S low pin count (LPC) interface I/O controller
Graphics
AGP connector supporting 1.5 V 4X and 2X AGP cards
Audio
• Intel 845E chipset (AC ’97)
• Analog Devices Inc. audio codec featuring SoundMAX
†
with SPX
†
software
support
LAN (optional)
Intel
®
82562ET 10/100 Mbit/sec Platform LAN Connect (PLC) device and
RJ-45 connector
Peripheral Interfaces
• Up to six USB 2.0 ports
— Four ports routed to the back panel
— Two ports routed to the USB front panel header
• Two IDE interfaces with Ultra DMA-33 and ATA-66/100 support
• One floppy drive interface
• One parallel port
• Two serial ports (one via a board header)
• PS/2
†
keyboard and mouse ports
continued