Questions
Q1
Why the socket on M7TDR is difference than M7TDB? Do they have the same Chipset on-board?

M7TDR is using the same Chipset(Intel 845) as M7TDB uses. This Chipset support both socket 423 & Socket 478 CPU. These two type of CPU are basiclly the same, both of they utilized the 0.18-micro process technology. However the M7TDR Is using Socket 423 CPU and the M7TDB using Socket478 CPU.