Core i7 920 rev D0 stepping 5 :)

[phsinc1]

I found on intel web site,
W3520 D0 SLBEW
VID Voltage Range 0.800V-1.225V
http://ark.intel.com/Product.aspx?id=39718

I7 920 D0 SLBEJ:
VID Voltage Range 0.800V-1.375V
http://ark.intel.com/Product.aspx?id=37147