Cumulus Corp, a Cleveland, Ohio-based designer and manufacturer of personal computers and enhancement products, has announced its new upgrade package for 80286 systems, the $300 80386SX Card with Microsoft Windows 3.0.; the 1.5 by 1.5 module has a 16MHz Intel 80386SX processor, and it is said to enable users of 80286-based systems to upgrade to a 80386SX and run 80386 software without compatibility problems; support for an 80387SX maths co-processor is also included; the company says that the board is not being marketed as an accelerator, but when installed in a 80286-based system, it will provide a processor speed increase of up to 15%; with the addition of a co-processor, the 80386SX board will increase the speed of applications that involve floating point calculations; no expansion slot is required for the installation of the Cumulus 80386SX Card since it plugs into an empty 80286 socket.
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