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Single Expansion
Frances
Manufacturer
Brad Fowles
, Canada
Date
1989
Amiga
A1000
Interface
special (see text)
Memory Expansion
4 MB FastRAM expansion for the on-board header of the
Lucas
A1000 processor expansion
32 DIP sockets accept up to 4 MB RAM
possible configurations are 1, 2, 3 or 4 MB with 256k×4, 80 - 100 ns DIPs
DMA RAM controller chip: National Semiconductor DP8421AV
interleaved access
Notes
Frances is an acronym for 'Fast Ram At Nominal Cost for Expanded Storage'
a public domain hardware hackers project, designed by Brad Fowles of Anakin Research
sold as a kit (only the PCB, programmed PALs and how to build documentation) all other parts had to be purchased separately
Photos
front side
Driver / Installation Disk
AmigaFrancesMemory-20.lha
AFM v2.0 - replacement driver software for Frances
61 kB
Frances.lha
Frances - building instructions, schematics, PAL equations
driver software
280 kB