Hardware Mania has posted a review on the Asus P4B266 DDR P4 motherboard.
To stimulate the adaptation to P4s, Intel has released I845/SDRAM combination just after I850/RDRAM so that the customers could make use of the current ATX PSU (Power Supply Unit) and SDRAM components and thus reduce the cost of the upgrade greatly.Read more
Now to make an intermediate combination, Intel released a new chipset I845D (Brookedale-D) which supports DDR-SDRAM and P4.