int 4B

Int 4B - Z100 - Slave 8259 - S100 vectored line 3
Int 4B - Common Access Method SCSI interface (draft revision 1.9)
Int 4B - Tandy 2000 - EQUIPMENT DETERMINATION
Int 4B - Acorn BBC Master 512 - OSBYTE - MISC FUNCTIONS USING REGISTER PARAMS
Int 4B/AH=00h - TI Professional PC - PARALLEL PORT - OUTPUT CHARACTER
Int 4B/AH=01h - TI Professional PC - PARALLEL PORT - INITIALIZE PRINTER
Int 4B/AH=02h - TI Professional PC - PARALLEL PORT - GET PRINTER STATUS
Int 4B/AH=80h - IBM SCSI interface
Int 4B/AX=8102h/DX=0000h - Virtual DMA Specification (VDS) - GET VERSION
Int 4B/AX=8103h - Virtual DMA Specification - LOCK DMA REGION
Int 4B/AX=8104h - Virtual DMA Specification - UNLOCK DMA REGION
Int 4B/AX=8105h - Virtual DMA Specification - SCATTER/GATHER LOCK REGION
Int 4B/AX=8106h - Virtual DMA Specification - SCATTER/GATHER UNLOCK REGION
Int 4B/AX=8107h - Virtual DMA Specification - REQUEST DMA BUFFER
Int 4B/AX=8108h - Virtual DMA Specification - RELEASE DMA BUFFFER
Int 4B/AX=8109h/DX=0000h - Virtual DMA Specification - COPY INTO DMA BUFFER
Int 4B/AX=810Ah/DX=0000h - Virtual DMA Specification - COPY OUT OF DMA BUFFER
Int 4B/AX=810Bh - Virtual DMA Specification - DISABLE DMA TRANSLATION
Int 4B/AX=810Ch - Virtual DMA Specification - ENABLE DMA TRANSLATION
Int 4B/AX=810Dh - QEMM-386 - BUG