RBIL61 - INT 67

CALL xxxxh:xxxxh - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface. (VCPIsee Virtual Control Program Interface) - Protected-Mode {#idx160585}{#idx160586}

INT 02 - STB RAPIDMAP.SYS - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx168}

INT 15 - DESQview - QEXT.SYS - INSTALLATION CHECK {#idx16782}

INT 15 - Rational Systems DOS/4GW - INITIALIZE PROTECTED-MODE INTERFACE {#idx21384}

INT 15 - SYSTEM - SWITCH TO PROTECTED MODE {#idx21007}

INT 21 - DOS 2.11+ - GET OR SET MEMORY ALLOCATION STRATEGY {#idx52402}

INT 21 - LASTBYTE.SYS v1.19 - IOCTL - GET ??? TABLE {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx46453}{#idx46458}{#idx46672}{#idx46709}{#idx46721}{#idx46758}{#idx46830}{#idx46938}{#idx46939}{#idx46940}{#idx46942}{#idx47252}{#idx47442}

INT 21 - Memory Managers - GET API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. ENTRY POINT {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx47281}{#idx47287}{#idx47298}{#idx47299}{#idx47303}

INT 21 - Memory Managers - GET EMM IMPORT STRUCTURE ADDRESS {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx47332}{#idx47346}{#idx47366}

INT 21 - Memory Managers - GET MEMORY MANAGER VERSION {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx47419}

INT 21 - Phar Lap 386/DOS-Extender - GET HARDWARE INTERRUPT VECTORS {protected mode} {#idx42543}

INT 21 - Q87, Q387 - INSTALLATION CHECK {#idx45915}

INT 21 - Qualitas 386MAX v7.00+ - ALLOW AUTOMATIC ACTIVATION ON ANY INT 67 {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx48095}{#idx48101}

INT 21 - Qualitas 386MAX v7.00+ - LIMIT AUTOMATIC ACTIVATION TO STD EMSsee Expanded Memory Specification CALLS {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx48091}

INT 2C - Cloaking - SET 8259 IRQ(Interrupt ReQuest) A hardware line connected to the interrupt controller chip which signals that a CPU interrupt should be generated. BASE VECTORS {protected mode} {#idx73601}

INT 2C - Cloaking - SET PORT-TRAPPING PASSALONG {protected mode} {#idx73636}

INT 2F - DOS 4+ XMA2EMS.SYS extension internal - GET HIDDEN FRAME INFORMATION {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx82155}

INT 2F - DOS 4+ XMA2EMS.SYS extension internal - INSTALLATION CHECK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx82149}

INT 2F - DR DOS 6.0 TaskMAX - GET PER-TASK EMSsee Expanded Memory Specification LIMIT {#idx82208}{#idx82210}

INT 2F - DR DOS 6.0 TaskMAX - SET PER-TASK EMSsee Expanded Memory Specification LIMIT {#idx82215}{#idx82221}

INT 2F - EXTENDED MEMORY SPECIFICATION (XMSsee Extended Memory Specification) v2+ - INSTALLATION CHECK {#idx83213}

INT 2F - MS Windows - GET DEVICE API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. ENTRY POINT {#idx79778}

INT 2F - Novell DOS 7+ - MEMORYMAX INSTALLATION CHECK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx78333}{#idx78338}{#idx78347}

INT 2F - Quarterdeck RPCI - QEMM v5.0+ - INSTALLATION CHECK {#idx93437}{#idx93439}

INT 31 - DPMIsee DOS Protected-Mode Interface 0.9+ - GET DPMIsee DOS Protected-Mode Interface VERSION {protected mode} {#idx97068}

INT 60 - SYS_PROF.EXE - PROFILER STATUS {#idx106544}

INT 61 - Sangoma CCIP (CCPOP 3270 resident module) INTERFACE {#idx107159}

INT 62 - reserved for user interrupt {#idx110492}

INT 64 - Adaptec controllers - DRIVE 1 DATA {#idx114417}

INT 64 - reserved for user interrupt {#idx114505}

INT 65 - Adaptec controllers - DRIVE 1 DATA {#idx114627}

INT 65 - reserved for user interrupt {#idx114686}

INT 66 - Adaptec controllers - DRIVE 1 DATA {#idx114943}{#idx114990}

INT 66 - Newkey v5.4 - INSTALLATION VECTOR {#idx115008}

INT 66 - reserved for user interrupt {#idx115037}

INT 66 - TI Professional PCIBM PC - SYSTEM INFORMATION (NOT A VECTOR!) {#idx114963}

INT 67 - "SB Live!" Sound Blaster 16 Emulation Driver - INSTALLATION CHECK {#idx117141}

INT 67 - Adaptec controllers - DRIVE 1 DATA {#idx115573}{#idx115597}

INT 67 - Compaq CEMM v5.10+ - PRIVATE API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx117192}

INT 67 - CUCKOO.COM - INSTALLATION CHECK {#idx115611}

INT 67 - DESQview 2.42-2.53 - BUG {#idx117008}

INT 67 - EEMS - GENERIC ACCELERATOR CARD SUPPORT {#idx116964}

INT 67 - EEMS - GET ADDRESSES OF ALL PAGE FRAMES IN SYSTEM {#idx116989}

INT 67 - EEMS - GET PHYSICAL WINDOW ARRAY {#idx116960}

INT 67 - EEMS - MAP PAGE INTO FRAME {#idx116993}

INT 67 - EEMS - PAGE MAPPING {#idx116997}

INT 67 - EEMS - STB GENERIC ACCELERATOR CARD SUPPORT - GET ??? ENTRY POINT {#idx116983}

INT 67 - EEMS - STB GENERIC ACCELERATOR CARD SUPPORT - INSTALLATION CHECK??? {#idx116971}{#idx116978}{#idx116981}

INT 67 - LIM EMSsee Expanded Memory Specification - GET EMM VERSION {#idx116374}

INT 67 - LIM EMSsee Expanded Memory Specification - GET HANDLE AND ALLOCATE MEMORY {#idx116340}

INT 67 - LIM EMSsee Expanded Memory Specification - GET MANAGER STATUS {#idx116306}

INT 67 - LIM EMSsee Expanded Memory Specification - GET NUMBER OF EMM HANDLES {#idx116395}

INT 67 - LIM EMSsee Expanded Memory Specification - GET NUMBER OF PAGES {#idx116333}

INT 67 - LIM EMSsee Expanded Memory Specification - GET OR SET PAGE MAP {#idx116414}

INT 67 - LIM EMSsee Expanded Memory Specification - GET PAGE FRAME SEGMENT {#idx116329}

INT 67 - LIM EMSsee Expanded Memory Specification - GET PAGES FOR ALL HANDLES {#idx116406}

INT 67 - LIM EMSsee Expanded Memory Specification - GET PAGES OWNED BY HANDLE {#idx116400}

INT 67 - LIM EMSsee Expanded Memory Specification - MAP MEMORY {#idx116363}

INT 67 - LIM EMSsee Expanded Memory Specification - RELEASE HANDLE AND MEMORY {#idx116368}

INT 67 - LIM EMSsee Expanded Memory Specification - reserved - GET I/O PORTIBM PC Portable (uses same BIOS as XT) ADDRESSES {#idx116386}

INT 67 - LIM EMSsee Expanded Memory Specification - reserved - GET TRANSLATION ARRAY {#idx116392}

INT 67 - LIM EMSsee Expanded Memory Specification - RESTORE MAPPING CONTEXT {#idx116381}

INT 67 - LIM EMSsee Expanded Memory Specification - SAVE MAPPING CONTEXT {#idx116377}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - ALLOCATE STANDARD/RAW PAGES {#idx116547}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - ALTER PAGE MAP AND CALL {#idx116489}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - ALTER PAGE MAP AND JUMP {#idx116483}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - ALTERNATE MAP REGISTER SET {#idx116553}{#idx116570}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - ENABLE/DISABLE OS FUNCTION SET FUNCTIONS {#idx116723}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - GET EXPANDED MEMORY HARDWARE INFORMATION {#idx116538}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - GET HANDLE DIRECTORY {#idx116468}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - GET MAPPABLE PHYSICAL ADDRESS ARRAY {#idx116531}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - GET/SET HANDLE ATTRIBUTES {#idx116452}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - GET/SET HANDLE NAME {#idx116461}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - GET/SET PARTIAL PAGE MAP {#idx116426}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - MAP/UNMAP MULTIPLE HANDLE PAGES {#idx116432}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - MOVE/EXCHANGE MEMORY REGION {#idx116499}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - PREPARE EXPANDED MEMORY HARDWARE FOR WARM BOOT {#idx116703}

INT 67 - LIM EMSsee Expanded Memory Specification 4.0 - REALLOCATE PAGES {#idx116437}

INT 67 - MICEMM v4D, RM386 - GET ADDRESS MAP {#idx116630}

INT 67 - MICEMM v4D, RM386 - GET LINEAR ADDRESS OF MEMORY {#idx116585}

INT 67 - MICEMM v4D, RM386 - INSTALLATION CHECK {#idx116621}

INT 67 - Microsoft EMM386.EXE v4.20+ - INSTALLATION CHECK {#idx117161}{#idx117168}{#idx117173}

INT 67 - Nanosoft MD386 - ENABLE/DISABLE MEMORY WRITE PROTECTION {#idx116935}

INT 67 - Nanosoft MD386 - GET ALTERNATE MAP STRUCTURE {#idx116746}

INT 67 - Nanosoft MD386 - GET DEBUG EXCEPTION {#idx116946}

INT 67 - Nanosoft MD386 - GET HARDWARE DEBUG REGISTER {#idx116914}

INT 67 - Nanosoft MD386 - GET INTERNAL HANDLE TABLE {#idx116753}

INT 67 - Nanosoft MD386 - IGNORE NEXT DEBUG EXCEPTION {#idx116955}

INT 67 - Nanosoft MD386 - INTERNAL INITIALIZATION {partially documented} {#idx116736}

INT 67 - Nanosoft MD386 - SET DEBUG EXCEPTION HANDLER {#idx116920}

INT 67 - Nanosoft MD386 - SET HARDWARE BREAKPOINT {#idx116904}

INT 67 - Netroom3 - ??? {#idx117137}

INT 67 - NETROOM??? - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx116535}

INT 67 - PC-DRAFT - KEYBOARD DRIVER {#idx115616}

INT 67 - PC-NET, Alloy NTNX - LOCK SEMAPHORE {#idx115655}

INT 67 - PC-NET, Alloy NTNX - LOCK SEMAPHORE AND WAIT {#idx115636}

INT 67 - PC-NET, Alloy NTNX - UNLOCK SEMAPHORE {#idx115666}

INT 67 - Q87 v4+ - INSTALLATION CHECK {#idx116353}{#idx116360}

INT 67 - Q87 v4+ - PREPARE TO UNLOAD AND GET XMSsee Extended Memory Specification HANDLE FOR Q87 MEMORY {#idx115746}{#idx115760}

INT 67 - QEMM-386 v4.23+ - INSTALLATION CHECK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx115766}{#idx115773}{#idx115779}{#idx115840}{#idx115857}{#idx115862}{#idx115867}{#idx115870}{#idx115874}{#idx115880}{#idx116165}

INT 67 - Quadtel QMAPS - API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {#idx117011}

INT 67 - Qualitas 386MAX v7.00 - MEMLIMIT - API(Application Program[ming] Interface) The defined set of calls which a program may make to interact with or request services of the operating system or environment under which it is running. Because the inputs and outputs of the calls are well-defined, a program using the API can continue using the identical calls even if the internal organization of the program providing the API changes. {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx115687}

INT 67 - Qualitas 386MAX v7.00 - MEMLIMIT - INSTALLATION CHECK {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx115680}

INT 67 - RM386 - DISABLE RM386 {#idx116762}

INT 67 - RM386 - ENABLE RM386 {#idx116768}

INT 67 - RM386 - GET PAGE TABLE {#idx116774}

INT 67 - RM386 - GET PARTIAL PAGE TABLE {#idx116823}

INT 67 - RM386 - GET RM386 INTERNAL DATA {#idx116645}

INT 67 - RM386 - MAP LOGICAL 4K PAGE TO PHYSICAL SEGMENT {#idx116799}

INT 67 - RM386 - MAP PHYSICAL PAGE TO PHYSICAL SEGMENT {#idx116792}

INT 67 - RM386 - RETURN TO REAL MODE {#idx116650}

INT 67 - RM386 - SET PAGE TABLE {#idx116778}

INT 67 - RM386 - SET PAGE TABLE BITS FOR RANGE OF PAGES {#idx116812}

INT 67 - RM386 - SET PARTIAL PAGE TABLE {#idx116831}

INT 67 - RM386 - SET WRITE-PROTECTION FOR PAGE IN FIRST MEGABYTE {#idx116785}

INT 67 - RM386 - V86-MODE I/O PORTIBM PC Portable (uses same BIOS as XT) TRAPPING CONTROL {#idx116840}

INT 67 - RM386 - V86-MODE I/O TRAPPING PORTIBM PC Portable (uses same BIOS as XT) CONTROL {#idx116866}

INT 67 - RM386 v6.00 - ??? {#idx116496}

INT 67 - RM386 v6.00 - ??? {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx116885}{#idx116891}{#idx116897}

INT 67 - RM386 v6.00 - GET RM386 EMSsee Expanded Memory Specification HANDLE COUNT {#idx116696}

INT 67 - RM386 v6.00 - GET RM386 GLOBAL FLAGS {#idx116655}

INT 67 - RM386 v6.00+ - EXECUTE XMSsee Extended Memory Specification FUNCTION {#idx117151}

INT 67 - RM386 v6.00+ - GET INTERRUPT VECTORS {#idx116601}{#idx116617}

INT 67 - RM386 v6.00+ - GET MEMORY MANAGER SIZE {#idx116593}

INT 67 - Sangoma CCPOP 3270 resident module {#idx115603}

INT 67 - TI Professional PCIBM PC - SYSTEM DATA (NOT A VECTOR!) {#idx115579}

INT 67 - VIDEMS.SYS v1.31+ - FLUSH EMSsee Expanded Memory Specification TO VIDEO RAM(Random Access Memory) See also DRAM, SRAM. {#idx115721}

INT 67 - VIDEMS.SYS v1.31+ - INSTALLATION CHECK {#idx115708}

INT 67 - VIDEMS.SYS v1.31+ - RELOAD EMSsee Expanded Memory Specification FROM VIDEO RAM(Random Access Memory) See also DRAM, SRAM. {#idx115725}

INT 67 - VIDEMS.SYS v1.31+ - RETURN HIDDEN BLOCK SIZE {#idx115729}

INT 67 - VIDEMS.SYS v1.31+ - RETURN PHYSICAL PAGE SIZE {#idx115734}

INT 67 - VIDEMS.SYS v1.50+ - RETURN VIDEO RAM(Random Access Memory) See also DRAM, SRAM. SIZE {#idx115739}

INT 67 - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface. - ALLOCATE A 4K PAGE {#idx117050}

INT 67 - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface. - FREE 4K PAGE {#idx117059}

INT 67 - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface. - GET 8259 INTERRUPT VECTOR MAPPINGS {#idx117087}

INT 67 - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface. - GET MAX PHYSICAL MEMORY ADDRESS {#idx117038}

INT 67 - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface. - GET NUMBER OF FREE 4K PAGES {#idx117042}

INT 67 - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface. - GET PHYS ADDR OF PAGE IN FIRST MB {#idx117064}

INT 67 - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface. - GET PROTECTED MODE INTERFACE {#idx117025}{#idx117036}

INT 67 - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface. - INSTALLATION CHECK {#idx117014}

INT 67 - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface. - READ CR0 {#idx117069}

INT 67 - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface. - READ DEBUG REGISTERS {#idx117074}

INT 67 - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface. - SET 8259 INTERRUPT VECTOR MAPPINGS {#idx117100}

INT 67 - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface. - SET DEBUG REGISTERS {#idx117080}

INT 67 - Virtual Control Program InterfaceA simple API for protected-mode programs to allocate memory and switch into or out of protected mode. See also DOS Protected-Mode Interface. - SWITCH TO PROTECTED MODE {#idx117112}

INT 68 - Sangoma CCPOP 3270 resident module {#idx117211}

INT 7F - Alloy NTNX, MW386 - RELEASE ALL SEMAPHORES FOR USER {#idx125831}

INT 7F - Alloy NTNX, MW386 - RELEASE NORMAL SEMAPHORES FOR USER {#idx125839}

INT 7F - Alloy NTNX, MW386 - SEMAPHORE LOCK AND WAIT {#idx124430}

INT D4 - PC-MOS/386 v3.0+ - ENTER/LEAVE NATIVE 386 EXECUTION MODE {#idx128891}

INT FF - QEMM-386.SYS v6.0+ - internal {undocumentedInformation about a product which is not publicly available from the manufacturer, and must be determined by reverse-engineering (disassembly, trial-and-error, etc.). Undocumented information tends to change -- often dramatically -- between successive revisions of a product, since the manufacturer has no obligation to maintain compatibility in behavior which is not explicitly stated.} {#idx132851}{#idx132853}{#idx132854}