Amiga Hardware Database Expansion cards



B5000 Combo
Company
Solid State Leisure, UK
 Date
1992
 Amiga
A2000
 Interface
CPU slot
 
    processor
  • 68030 @ 25 or 68EC030 @ 40 MHz, PGA
  • optional 68882 @ 25 - 50 MHz, PGA
    memory
  • eight 30 pin SIMM sockets
  • 4 MB RAM installed, expandable to 32 MB
  • supports 1 or 4 MB, 70 ns SIMMs
  • accepts SIMMs in groups of four giving 4, 8, 16, 20 or 32 MB RAM
  • non-autoconfiguring
  • burst RAM access
  • hardware maprom
    notes
  • does not support DMA to its 32 bit RAM - DMAfix solves this
  • after a reboot, DMA into Zorro II memory larger than 512 bytes causes the machine to hang, this affects the A2091 but not the GVP Series II - DMAfix helps here too
  • 68000 fallback mode - the software can switch from 68030 to 68000 but cannot switch back, the machine has to be switched off
  • memory is not available in fallback mode



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