in the MSW). However, use of the LOADALL instruction can avoid the need to switch to protected mode altogether. 80386 Opcode 0F07. The instruction loads data from address ES:EDI. It actually uses ES, not the ES descriptor. See also Concurrent DOS 286 FlexOS 286 IBM 4680 OS References Further reading (xxvi+738+iv pages, 3.5"-floppy ) Errata: X86 instructions