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Intel Desktop Boards D845HV and D845WN Product Guide
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• 64 Mbit, 128 Mbit, and 256 Mbit technologies for the following memory configurations:
32 MB to 384 MB (64 Mbit technology)
Up to 768 MB (128 Mbit technology)
Up to 1.5 GB (256 Mbit technology)
✏
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/
• Unbuffered and non-registered single or double-sided DIMMs
• Serial Presence Detect (SPD) memory
• Non-ECC and ECC DIMMs
• 3.3 V memory only
✏
NOTE
For information about vendors that support these memory requirements, refer to the D845HV or
D845WN link on this Intel World Wide Web site:
http://support.intel.com/support/motherboards/desktop/
For information about installing memory, see Chapter 2 starting on page 21.
Intel
®
845 Chipset
The Intel 845 chipset consists of the following devices:
• Intel 82845 Memory Controller Hub (MCH) with AHA bus
• Intel 82801BA I/O Controller Hub (ICH2) with AHA bus
• Firmware Hub (FWH)
Intel
®
82845 Memory Controller Hub (MCH)
The MCH provides the processor, system memory, AGP, and hub interfaces in the
Intel 845 chipset platform. Features on D845HV and D845WN boards includes:
• Single processor support with 400 MHz data transfer rate
• Support for up to 1.5 GB (with 256 Mbit technology) SDR-SDRAM at 133 MHz operation
• 1.5 V AGP interface with 4X Side Band Addressing (SBA)/data transfer and 2X and 4X
fast write