PCM-9563 User Manual 78C.1 1st MB Memory MapC.2 DMA Channel AssignmentsC.3 Interrupt AssignmentsTable C.1: 1st MB memory mapAddr. Range (Hex) DeviceE0000h - FFFFFh System ROMD0000h - DFFFFh System RAMC0000h - CFFFFh VGA BIOSA0000h - BFFFFh Legacy Video Area00000h - 9FFFFh Base memoryTable C.2: DMA channel assignmentsChannel Function0 Available1 Available2 Available3 Available (parallel port)**4 Cascade for DMA controller 15 Available6 Available7 Available** Parallel port DMA default setting: DMA 3, Parallel port DMA selection: DMA 1 or 3Table C.3: Interrupt assignmentsInterrupt# Interrupt sourceIRQ0 System timerIRQ1 Using SERIRQ, Keyboard EmulationIRQ2 Interrupt from controller 2 (cascade)IRQ3 Communications Port (COM2)IRQ4 Communications Port (COM1)IRQ5 LPT Port (LPT1)IRQ6 AvailableIRQ7 Communications Port (COM3)IRQ8 System CMOS/real time clockIRQ9 Microsoft ACPI-Compliant SystemIRQ10 Communications Port (COM5)IRQ11 Communications Port (COM4)IRQ12 AvailableIRQ13 Numeric data processorIRQ14 ReservedIRQ15 Communications Port (COM6)* Refer to the table of msd.exe