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Intel Desktop Boards D845GRG and D845GBV Product Guide
12
Main Memory
✏
NOTE
To be fully compliant with all applicable Intel
®
SDRAM memory specifications, the board should
be populated with DIMMs that support the Serial Presence Detect (SPD) data structure. If your
memory modules do not support SPD, you will see a notification to this effect on the screen at
power up. The BIOS will attempt to configure the memory controller for normal operation.
Desktop Boards D845GRG and D845GBV support system memory as defined below:
• Up to two 184-pin DDR SDRAM Dual Inline Memory Modules (DIMMs) with gold-plated
contacts
• DDR266 and DDR200 SDRAM
• Unbuffered and non-registered single or double-sided DIMMs
• Serial Presence Detect (SPD) memory
• Non-ECC and ECC DIMMs
• 2.5 V memory only
• 64 Mbit, 128 Mbit, 256 Mbit, and 512 Mbit technologies for the following memory
configurations:
— 64 MB (minimum)
— 256 MB (64 Mbit technology)
— 512 MB (128 Mbit technology)
— 1024 MB (256 Mbit technology)
— 2048 MB (512 Mbit technology)
✏
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/
All memory components and DIMMs used with the Intel desktop boards must comply with the
PC SDRAM specifications. You can access these documents through the World Wide Web at:
http://www.intel.com/technology/memory/pcsdram/spec/
For information about installing memory, see Chapter 2 starting on page 21.
Intel
®
845G Chipset
The Intel 845G chipset consists of the following devices:
• Intel 82845G Graphics Memory Controller Hub (GMCH) with AHA bus
• Intel 82801DB I/O Controller Hub (ICH4) with AHA bus
• Firmware Hub (FWH)