Hope this is the right spot for this info. It seemed relevant to the current discussion as it involves info regarding mobo support for Conroe. I have a D975XBX rev 302 mobo, and the following is a condensed version of an e-mail exchange I had with Intel support.

My support inquiry:

Product: Intel(R) Desktop Board D975XBX
Product_id: 2205
Bios_version: BX97510J.86A.0807.2006.0314.1158
AA_Number: AAD27094-302
Processor_manufacturer: Intel(R)
Issue: I just purchased this top of the line board (my first Intel manufactured board), and now find that it will not support Conroe. This board was obsolete before I purchased it! This is completely unacceptable. Can I exchange this board for a rev AAD27094-304 that will support Conroe?

Intel's response:

Thank you for contacting IntelĀ® Technical Support.

Unfortunately, Intel does not exchange for different product. A return or exchange like this could only be done through your point of purchase, depending on their own policies and warranty procedures. As the customer of your point of purchase, they owe you return or exchange based on your purchase agreement/return policy; however, this is not something Intel will be able to take care of for you or assist in mediating with. Our warranty is an exchange of a damaged part for a good part of the same type; it would not provide any upgrade or difference in features on the part.

I draw three conclusions from this exchange:

1. The 304 rev appears to be the 'official' mobo to support Conroe per this reference to 'difference in features on the part'.
2. This is a sideways admission that the 302 rev boards will not support Conroe.
3. Owners of the 302 rev have no recourse but to buy a new mobo.

Sorry to be the bearer of bad news. This may not be a difinitive take on the issue, but I would not take it as a positive for current D975XBX owners either.