RBIL61 - SYSTEM TIMER

RBIL61 - SYSTEM TIMER

CALL xxxxh:xxxxh - Plug-and-Play BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. v1.0A {#idx160539}

INT 08 - IRQ0 - SYSTEM TIMER {callout or callback} {#idx575}{#idx583}

INT 15 - Phoenix 386 BIOS(Basic Input/Output System) A set of standardized calls giving low-level access to the hardware. The BIOS is the lowest software layer above the actual hardware and serves to insulate programs (and operating systems) which use it from the details of accessing the hardware directly. - DETERMINE CPU(Central Processing Unit) The microprocessor which executes programs on your computer. SPEED FOR DELAY LOOPS {#idx21312}

INT 15 - SYSTEM - BUILD ABIOS(Advanced BIOS) The IBMInternational Busiuness Machines XTIBM PC XT/286 and PS/2IBM PS/2, any model models with 80286 or higher processors contain two separate BIOSes. The ABIOS is a protected-mode BIOS which is used by OS/2. For machines without an ABIOS, such as the IBMInternational Busiuness Machines ATIBM PC AT, OS/2 loads the equivalent of the ABIOS from disk. see also CBIOS INITIALIZATION TABLE (PSIBM PS/2, any model) {#idx15739}

INT 1C - TIME - SYSTEM TIMER TICK {#idx39210}

INT 58 - TI Professional PCIBM PC - SYSTEM TIMER 25ms HOOK {callout or callback} {#idx103111}

INT 5A - TI Professional PCIBM PC - SYSTEM TIMER 100ms HOOK {#idx103222}

PORTIBM PC Portable (uses same BIOS as XT) 0080 - MANUFACTURING DIAGNOSTICS PORTIBM PC Portable (uses same BIOS as XT) {#idx140881}{#idx141109}