alt Hacker NewsThe Opteron had a 32 bit HyperTransport bus. Modern CPUs only implement 48 address lines. And yet we’d call all of those 64 bit systems. We wouldn’t call them 32 bit systems, and surely not 48 bit.
The 68k’s ISA is 32 bit through and through, however the underlying implementation looks. It did since I bought my A1000, marketed as a 32 bit system, in 1985.
> marketed as a 32 bit system, in 1985.
I'm sure there must have been some, but most of Commodore's early Amiga ads didn't mention the number of bits at all, and from looking through old magazines it doesn't seem most vendors did either.