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

memory

• 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

attached HDD

• CONNER CFS-420A 420MB 3.5″/SL IDE / AT

recapped with Rubycon brand 105° type

original ROM
manual
drivers & installation