Memory Master 1200 / AlfaRam 1200
Company
BSC / Alfa Data, Germany
Date
1993
Amiga
A1200
Interface
trapdoor slot
Autoconfig ID
2092 / 7
    Memory Expansion
  • 1 MB RAM soldered to the back of the card (can be disabled with a jumper)
  • 16 ZIP socket for up to 8 MB RAM
  • accepts 1M×4, Static Column or Page Mode, 80 ns or faster ZIPs in groups of eight
  • possible configurations are 1, 4, 5, 8 and 9 MB RAM
  • with 8 or 9 MB RAM installed, the memory address space can be set either continuous or PCMCIA compatible
  • for 4 MB, ZIPs have to be installed in U3x sockets
  • optional PLCC FPU, can be clocked either synchronously (14.28 MHz) or asynchronously (up to 50 MHz)
  • battery backed up real time clock
  • disable jumper
  • test mode jumper (prevents the RAM to be used by the OS - for RAM testing purposes)
    jumper settings
    JumperConfigurationSetting
    J1Real-Time ClockUP - RTC deactivated, DOWN - RTC active
    J2PCMCIAUP - PCMCIA usable, DOWN - PCMCIA not usable
    J3Deactivate RAMUP - RAM activated, DOWN - RAM deactivated
    J41 MB RAM SettingUP - 1MB RAM activated, DOWN - deactivated
    J5RAM SizeUP - 4MB RAM installed, DOWN - 8MB RAM installed
    J6RAM Test ModeUP - Test Mode activated, DOWN - normal operation
    J7FPULEFT - asynchronous operation (FPU installed), RIGHT - synchronous operation
Photos
BSC / Alfa Data Memory Master 1200 / AlfaRam 1200 - front side
front side
BSC / Alfa Data Memory Master 1200 / AlfaRam 1200 - back side
back side
Manual