Desktop Board Features
7
1 Desktop Board Features
✏
NOTE
The D845HV board layout was used for illustrations unless otherwise noted.
Table 1 describes the major features of the boards.
Table 1. Feature Summary
Form Factors
• microATX at 9.6 inches by 9.6 inches (D845HV board)
• ATX at 12 inches by 9.6 inches (D845WN board)
Processor
• Support for an Intel
®
Pentium
®
4 processor in an mPGA-478 socket
Memory
• Three SDRAM DIMM sockets.
• Designed to support up to 3.0 GB of system memory
NOTE
The D845HV and D845WN desktop boards have been designed to
support DIMMs based on 512 Mbit technology up to 3 GB, but this
technology has not been validated on these 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
®
845 chipset, consisting of:
• Intel
®
82845 Memory Controller Hub (MCH) with Accelerated Hub
Architecture (AHA) bus
• Intel
®
82801BA I/O Controller Hub (ICH2) with AHA bus
• 4 Mbit Firmware Hub (FWH)
I/O Control
• SMSC LPC47M142 low pin count (LPC) interface I/O controller
LAN (optional)
• Intel
®
82562ET 10/100 Mbit/sec Platform LAN Connect (PLC) device and
RJ-45 connector
Graphics
• AGP connector supporting 1.5 V 4X and 2X AGP cards
Audio
• Analog Devices Inc. AD1885 analog CODEC (AC ’97) featuring SoundMAX
†
with SPX
†
software support
Peripheral Interfaces
• Up to seven Universal Serial Bus (USB) ports
Four ports routed to the back panel
Two ports routed to the front panel USB connector
One port routed to the optional CNR
• Two IDE interfaces with Ultra DMA-33 and ATA-66/100 support
• One diskette drive interface
• One parallel port
• Two serial ports (one via a board connector)
• PS/2
†
keyboard and mouse ports
continued
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