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Single Expansion
Jumbo RAM
Manufacturer
Cardinal Software
, USA
Date
1987
Amiga
A1000
Interface
side expansion port
FastRAM expansion
32 DIP sockets for 512 kB or 1 MB RAM
takes 256k×1 DIPs, 150ns or faster
for 512 kB, half of the sockets are populated (8 sockets on the left side of both rows)
connects to the side expansion port
compliant with Kickstart 1.1 and 1.2
beside the RAM chips, only standard chips of the 74HCT series are used
sold as semi-kit, the purchaser is required to provide and install all ICs
no memory autoconfiguration, the memory has to be added with AddMem
other manufacturers produced unofficial versions of the same board layout (e.g. O.M.A. from Italy)
Photos
front side
back side
Manual
JumboRAM.pdf
Assembly, Installation and Operating Instructions
2.3 MB
Vintage Advert
Advert (US)
1987-02
Advert (US)
1987-06