Intel sets dates for dual desktop, 6XX 2MB Pentium 4s
 

THE LATEST INTEL ROADMAPS seen by the INQUIRER indicate that the launch of its dual core desktop processors - the X20, the X30 and the X40 - will be launched in the third quarter of 2005, suggesting they won't proliferate in PCs until the fourth quarter.
These chips will two Pentium 4 dies in one package, each with 1MB of L2 cache, and supporting Intel's EM64T 64-32 extensions.

http://www.theinquirer.net/?article=20198