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To: Bilow who wrote (67630)3/14/2001 4:11:28 PM
From: Jdaasoc  Read Replies (2) | Respond to of 93625
 
carl:
I didn't see anything in your 840 list (I haven't checked the 850 list yet) that says that some RIMMs will work and some won't work in specific motherboards."

There was a note on the OR840 motherboard documentation on INtel web site stating that certain combinations of RIMMs did not work. I think it was combining a 64 MB RIMM in first slot and a 32 MB RIMM in second slot. No fix was mentioned as being in the works and the OR840 is not a big mover for Intel anymore.
If you check some of the PDF files at Intel you will be able to confirm it.

john



To: Bilow who wrote (67630)3/14/2001 4:32:57 PM
From: Dave B  Respond to of 93625
 
Carl,

Do you wish to assert that no such problems have ever happened with RDRAM? I'd love to prove you wrong on this, but I don't have the links available at this time. Please admit that it did occur, or give me a nice big target - a denial, preferably with an accompanying assertion that perfection is only available through subordination to the Borg, errr, Bus.

Nice try. The discussion was about incompatibility problems (different boards working or not working with different DIMMS from different manufacturers), not general chipset bugs. I will certainly agree that there have been general chipset bugs. But I will also contend that once chipsets and RIMMs made it through the qualification process (a precursor to being able to sell the chipset or RIMM), there have been no reported problems of RIMMs from a specific manufacturer not working with any of the chipsets that support RDRAM. In other words, once a RIMM was shipping, it could be used successfully in any RDRAM-based system.

Even the DDR team is admitting that this is not the case with DDR DIMMs and that they are having compatibility issues. Just as we said they would have.

If you find reports that indicate that RIMMs from XYZ company weren't compatible with Intel chipsets, I'll be happy to admit I was wrong. But they have to be shipping products.

Dave