Posted by : Boyo
Sunday, December 18, 2016
Windows 2.1x
Furthermore, two new versions were released, namely Windows / 286 2.1 and Windows / 386 2.1. As with previous versions of Windows, Windows / 286 uses real-mode memory model, but was the first version to support the High Memory Area (HMA). Windows / 386 2.1 has a kernel running in protected mode with emulation Expanded Memory Specification (EMS) standard Lotus-Intel-Microsoft (LIM), the predecessor specifications Extended Memory Specification (XMS) which would finally change the topology of computing at the IBM PC. All Windows and DOS-based application when it was run in real mode, running over the protected mode kernel by using the virtual 8086 mode, which is a new feature which is owned by Intel 80386 2:03 Version 3.0 and later versions getting demands from Apple because the version 2.1 this has the appearance of a window in cascade mode (overlap), in addition to several features of the Apple Macintosh operating system that is "emulated" by Windows, is the main problem to see / look and feel. Judge William Schwarzer ended up canceling all 189 charges, except the nine charges filed by Apple against Microsoft on January 5, 1989.