Company
Ralf Jochheim Computer Tuning, Germany
Date
1989
Amiga
A2000, A3000, A4000
Interface
Zorro II
Autoconfig ID
2052 / 1
  • 64 DIP sockets accept 8 MB RAM
  • accepts DIPs in groups of sixteen giving 2, 4, 6 or 8 MB configurations
  • accepts 1M×1 DIPs only, 70 - 100 ns
  • the amount of RAM is set by two PALs, each configuration uses a different pair
    • 2 or 4 MB - PALs labeled as 1.2/4 and 2.2/4
    • 6 or 8 MB - 1.6/8 and 2.6/8
  • the card was also distributed by Keller Elektronik with its own set of PALs
    • 2 MB only - PALs labeled as 1.2 and 2.2
    • 2 or 4 MB - 1.4 and 2.4
    • 4 or 6 MB - 1.6 and 2.6
    • 6 or 8 MB - 1.8 and 2.8
  • all four PALs are bundled with the card
  • no waitstates
  • autoconfig disable jumper
  • memory disable jumper
Ralf Jochheim Computer Tuning CA 2000.01 -  front side
front side
Ralf Jochheim Computer Tuning CA 2000.01 -  front side
front side
Ralf Jochheim Computer Tuning CA 2000.01 -  back side
back side

Advert (DE)
1990-05

Advert (DE)
1990-12

Advert (DE)
1991-11