The Vixen had a 4 MHz Zilog Z80 microprocessor, with 64 KB dynamic random-access memory (DRAM). It had a 7-inch diagonal amber display that could show 24 lines by 80 columns of memory mapped video. It used two 400 KB disk drives, utilizing double-density double-sided 5.25-inch diskettes. As a luggable, it weighed about 18 pounds.
Dimensions: 321 x 413 x 159 mm.
Announced in November 1984. The Vixen had a retail price of $1298. Customers also had the option of purchasing a 10 megabyte hard disk for $1498.
Contemporary advertising pointed out that it could fit under the seat in an airplane.
The Vixen was also known as the Osborne 4. It was developed and released after the bankruptcy of the Osborne corporation.