From: hplabs!hpcea!hpfcdc!hpldola!hp-lsd!nmsu-ee!rusty (Rusty Baldwin) Newsgroups: comp.sys.ibm.pc Subject: Re: how do i do a pc warm boot from software? Date: 7 Oct 87 22:00:50 GMT The following are two short routines to do a warm or a coldboot. Hope they help you out. COLDBOOT: 70A2:0100 BA4000 MOV DX,0040 70A2:0103 8EDA MOV DS,DX 70A2:0105 BB7200 MOV BX,0072 70A2:0108 C7070000 MOV WORD PTR [BX],0000 70A2:010C EA0000FFFF JMP FFFF:0000 WARMBOOT: 70A2:0100 BA4000 MOV DX,0040 70A2:0103 8EDA MOV DS,DX 70A2:0105 BB7200 MOV BX,0072 70A2:0108 C7073412 MOV WORD PTR [BX],1234 70A2:010C EA0000FFFF JMP FFFF:0000 Rusty Baldwin nmsu-ee!rusty