AT-BUS 2008 2MB

AT-BUS 2008 2MB


BSC / Alfa Data, Germany




A2000, A3000, A4000


Zorro II

Autoconfig ID

2049 / 6
2092 / 6

IDE controller

  • the board is basically the combination of the A.L.F. IDE controller and the MemoryMaster memory expansion cards
  • uses polled I/O, not DMA transfer
  • RDB compatible
  • 40 pin internal IDE header
  • place for a 3.5″ hard disk on the card
  • delivered with A.L.F. 2 driver software
  • during transfers the high and low bytes are swapped as the A600/A1200/A4000 and PCs do so the drives formatted with them can be handled by the AT-Bus 2008
  • hard disk activity LED connector


  • sixteen ZIP sockets accept 8 MB RAM
  • supports either static column or page mode ZIPs
  • accepts ZIPs in groups of four giving 2, 4, 6 or 8 MB configurations
  • RAM and HD can be disabled separately by jumper

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