obsolete computers

• +4 User port Available on Commodore +4 computer.
• Amiga 1000 Ramex 
• Amiga 1200 CPU-port 
• C-bus II Developed by Corolla. C-bus II is the successor to C-bus & Extended C-bus.
• CD32 Expansion-port 
• Commodore 64 / 128 User I/O 
• ECBbus The ECB-bus was defined in 1984 by the german company KONTRON. It was defined of 100x160mm-europa-card and used 2x32 pins (row a and c). Later the third (middle) row of pins was defined for 16-bit-systems. Such bus uses all 3x32pins.
• Unibus Available on the old Digital PDP-11
• Zorro II 
• Zorro II/III