EM64T is for Intel.
Originally posted by another user
AMD's processors implementing the AMD64 architecture include Opteron, Athlon 64, Athlon 64 X2, Athlon 64 FX, Athlon II (followed by "X2", "X3", or "X4" to indicate the number of cores, and XLT models), Turion 64, Turion 64 X2, Sempron ("Palermo" E6 stepping and all "Manila" models), Phenom (followed by "X3" or "X4" to indicate the number of cores), Phenom II (followed by "X2", "X3", "X4" or "X6" to indicate the number of cores), FX, and Fusion.
VT-x/VT-d refers to Intel's technology for virtualization on the x86 platform; AMD-V is for AMD.
Please check your BIOS for disabled features. If you don't mind providing pictures of your BIOS options, I can probably help you figure out which feature you need to enable.