AIMB-258 User Manual
74
B.18
Interrupt Assignments
B.19
1st MB Memory Map
Table B.18: Interrupt Assignments
Priority
Interrupt#
Interrupt Source
1
NMI
Parity error detected
2
IRQ0
Interval timer
3
IRQ1
Keyboard
-
IRQ2
Interrupt from controller 2 (cascade)
4
IRQ8
Real-time clock
5
IRQ9
Cascaded to INT 0A (IRQ 2)
6
IRQ10
Available
7
IRQ11
Available
8
IRQ12
PS/2 mouse
9
IRQ13
INT from co-processor
10
IRQ14
Primary IDE Channel
12
IRQ3
Serial communication port 2/4
13
IRQ4
Serial communication port 1/3
14
IRQ5
Serial communication port 5
15
IRQ6
Diskette controller (FDC)
16
IRQ7
Serial communication port 6
Table B.19: 1st MB Memory Map
Addr. range (Hex)
Device
E0000h - FFFFFh
BIOS
CC000h - DFFFFh
Unused
C0000h - CBFFFh
VGA BIOS
A0000h - BFFFFh
Video Memory
00000h - 9FFFFh
Base memory
Summary of Contents for AIMB-258
Page 8: ...AIMB 258 User Manual viii ...
Page 38: ...AIMB 258 User Manual 30 1 14 22 CF connector ...
Page 39: ...Chapter 2 2 BIOS Operation ...
Page 53: ...Chapter 3 3 Chipset Software Install Utility ...
Page 56: ...AIMB 258 User Manual 48 ...
Page 57: ...Chapter 4 4 VGA Setup ...
Page 59: ...Chapter 5 5 LAN Configuration ...
Page 62: ...AIMB 258 User Manual 54 ...
Page 63: ...Appendix A A Programming the Watchdog Timer ...
Page 65: ...57 AIMB 258 User Manual Appendix A Programming the Watchdog Timer ...
Page 71: ...Appendix B B Pin Assignments ...
Page 83: ...75 AIMB 258 User Manual Appendix B Pin Assignments ...