RT-PC
<computer> RISC Technology Personal Computer.
(Commonly, but incorrectly, known as the "PC-RT", later
changed to just "RT") {IBM}'s first {RISC}-based {Unix}
computer. The RT-PC was the predecessor to IBM's {RS/6000}.
It ran {AIX} 1.x and 2.x and had a {PC-AT} bus and IBM's
{ROMP} {microprocessor}. It was withdrawn from the marketing
around 1989 or 1990.
(1995-04-06)