Please figure out my problem that what kind of motherboard supports Intel Pentium 4 506 Prescott 2.66GHz 1MB L2 Cache LGA 775 Single-Core Processor BX80547PE2667EN?
More aboutsupport motherboard
It looks like you'll need an older board, with a 945, 955, or 965 chipset. These boards may be difficult to find. If you find one you like, check the manufacturer's website for make and model's specification data that says it will support your CPU.