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Processor Expansions for A500
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Single Expansion
B5000
Manufacturer
Solid State Leisure
, UK
Date
1992
Amiga
A500, A2000
Interface
68000 socket
processor
68030 @ 25 or 68EC030 @ 40 MHz, PGA
optional 68882 @ 25 - 50 MHz, PGA
memory
1 MB RAM installed, expandable to 4 MB
32 DIP sockets
takes 256k×4, 80 ns or faster DIPs
non-autoconfiguring
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 - 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
Vintage Advert
Advert (FR)
1990-11
Advert (GB)
1991-03