Intel D845WN, D845HV manual Intel 845 Chipset, Intel 82845 Memory Controller Hub MCH

Intel Desktop Boards D845HV and D845WN Product Guide

•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

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