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The 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 3
by kstrauser 6mo ago
The 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.
- vidarh 6mo ago> 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.
- kjs3 6mo agoSo marketing is how we define ISA architectures. Hmmm...not how I learned it,