CPUID 30F72 ? That is very strange! All C revisions have 00xxx, D revisions have 10xxx and E revisions have 20xxx. Is this 65nm processor? And if it is not, then it might be a dual-core with one core disabled.

I found those strange OPNs on OCWorkBench:
ADA3700DKA5CF - Athlon 64 3700+, 939pin, Rev. E6
ADA4000DKA5CF - Athlon 64 4000+, 939pin, Rev. E6
ADA3200DKA4CG - Athlon 64 3200+, 939pin, Rev. E4
ADA3500DKA4CG - Athlon 64 3500+, 939pin, Rev. E4


Besides they finally confirmed 90nm A64s s754:
ADA3000AIK4BX - Athlon 64 3000+, 754pin, Rev. E6
ADA3200AIO4BX - Athlon 64 3200+, 754pin, Rev. E6