Appreciate all the feedback btw.
So even though the BIOS shows no virtualization option, Oracle virtual box should still work provided the processor support VTx, correct? In other words, what appears to be stopping my Oracle VB from working is a limitation of the CPU (i.e. no VTx support) as opposed to the CPU and the MOBO BIOS? (That would be good news since I can just upgrade the CPU and I am off and running).