In May 1981, it hired Tim Paterson to port the system to the IBM PC, which used the slower and less expensive Intel 8088 processor and had its own specific family of peripherals.
Svibnja 1981. unajmio je Tima Patersona radi portiranja sustava u IBM-PC, koji je rabio sporiji, ne toliko skupi procesor Intel 8088, a koji je ujedno imao svoju obitelj perifernih uređaja.