AST Research Inc, Irvine, California has announced 80486 upgrade boards for its Premium 386 machines for delivery in October, and is also offering upgrades to a 33MHz 80386 for users of its Premium 386/25; the Fastboard 486/25 has 64Kb static RAM and socket for the Weitek 4167 maths chip, at $3,000 for the Premium 386/33, $3,700 for the Premium 386/25 is $3,695; the 33MHz Fastboard 386/33 for the Premium 386/25 is $2,400, now.
