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It was withdrawn from the marketing around 1989 or 1990.
