64 bit processor that supported 1TB of ram in 1996... HP PA-RISC architecture PA-8000 from an HP 9000K 460. You worry about bending a pin now, back then you had a tray
64bit Checker for Windows
64-bit: More than just the RAM | bit-tech.net
Definition of 64-bit computing | PCMag
32 Bit Vs 64 Bit Processors | Knowledge Hub
How to Determine If You Have a 32-bit or 64-bit CPU