59 MIO-5250 User Manual
Appendix B System Assignments
B.3 1st MB memory map
B.4 Interrupt assignments
Table B.3: 1st MB memory map
Addr. Range (Hex) Device
E0000h - FFFFFh System board
D0000h - DFFFFh PCI Bus
C0000h - CFFFFh System board
A0000h - BFFFFh PCI Bus
A0000h - BFFFFh Intel® HD Graphic
00000h - 9FFFFh System board
Table B.4: Interrupt assignments
Interrupt# Interrupt source
NMI Parity error detected
IRQ0 System timer
IRQ1 Standard 101/102-Key or Microsoft Natural PS/2 Keyboard
IRQ2 Interrupt from controller 2 (cascade)
IRQ3 Communications Port (COM2)
IRQ4 Communications Port (COM1)
IRQ5 EC Watch DOG
IRQ6 Available
IRQ7 Communications Port (COM3)
IRQ8 System CMOS/real time clock
IRQ9 Microsoft ACPI-Compliant System
IRQ10 Available
IRQ11 Communications Port (COM4)
IRQ12 PS/2 Compatible Mouse
IRQ13 Numeric data processor
IRQ14 Primary IDE
IRQ15 Secondary IDE
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