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Contents
Tested Memory
Memory testing has been performed under the following categories:
Advanced Tested Memory
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Intel provides the Advanced environmental test procedures, test software and necessary hardware to an independent test lab to perform Advanced testing as requested by the memory vendors.
Memory tested by Computer Memory Test Labs (CMTL).
Note: This link will take you away from Intel's web site.
Intel Internal Tested Memory
Intel's has a limited amount of memory tested for the desktop board. These part numbers may not be readily available throughout the product life cycle.
Intel Platform Memory Operations
Intel's Platform Memory Organization works closely with
several validation labs to assure design validation testing is in
place for the major RDRAM silicon manufacturers.
System Memory Features
The Intel® Desktop Board D850GB has four RIMM sockets (two sockets for each channel) and supports the following memory features:
- Single- or double-sided RIMM configurations
- Maximum of 32 Direct Rambus devices per channel
- Total system memory configurations from 128 MB (minimum) to 2 GB (maximum) utilizing 128/144 Mbit or 256/288 Mbit technology PC600 or PC800 compliant RDRAM
- Serial Presence Detect (SPD) based configuration for optimal memory operation
- Suspend to RAM support
- ECC and non-ECC support
When installing memory, note the following:
- The four RIMM sockets are grouped into two banks:
- Bank 0 (labeled on the board as RIMM1 and RIMM2)
- Bank 1 (labeled on the board as RIMM3 and RIMM4)
Bank 0 must be populated first ensuring that the RDRAM installed in RIMM1 and RIMM2 is identical in speed, size, and density. For example, the minimum system configuration would use two 64 MB RIMM modules of PC600 or PC800 RDRAM.
If the desired memory configuration has been achieved by populating Bank 0, then Bank 1 should be filled with two Continuity RIMMs.
If memory is to be installed in Bank 1, the RIMM modules installed in RIMM3 and RIMM4 must be identical in size and density to each other, and match the speed of the RIMM modules in Bank 0. The RIMM modules do not, however, need to match those in Bank 0 in size and density. For example, if Bank 0 has two 128 MB RIMMs of PC800 RDRAM, Bank 1 would require PC800 RDRAM also, however, any other supported RIMM modules such as 64 MB or 192 MB could be used.
If ECC functionality is required, all installed RIMM modules must be ECC-compliant.
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