ASMB-585 User Manual 108
B.20 Interrupt Assignments
B.21 1st MB Memory Map
Table B.21: Interrupt assignments
Priority Interrupt# Interrupt source
1 NMI Parity error detected
2 IRQ0 Interval timer
3 IRQ1 PS/2 Keyboard
- IRQ2 Interrupt from controller 2 (cascade)
4 IRQ8 Real-time clock
5 IRQ9 Cascaded to INT 0A (IRQ 2)
6 IRQ10 Intel 8 series/C226 Chipset Family SMBus Controller
7 IRQ11 Available
8 IRQ12 PS/2 mouse
9 IRQ13 Numeric data processor
10 IRQ14 Available
11 IRQ15 Available
12 IRQ3 Serial communication port 2
13 IRQ4 Serial communication port 1
14 IRQ5 Available
15 IRQ6 Available
16 IRQ7 Parallel port 1 (print port)
Table B.22: 1st MB memory map
Addr. range (Hex) Device
E0000h - FFFFFh BIOS
D0000h - DFFFFh Unused
C0000h - CFFFFh VGA BIOS
A0000h - BFFFFh Video Memory
00000h - 9FFFFh Base memory
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