17, 1996 AIX 4.1.5, November 8, 1996 AIX 4.1.4, October 20, 1995 AIX 4.1.3, July 7, 1995 CDE 1.0 became the default GUI environment, replacing Motif X Window Manager. AIX 4.1.1, October 28, 1994 AIX 4.1, August 12, 1994 AIX 4.0, 1994 Run on RS/6000 systems with PowerPC processors and PCI