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