Irq Mapping Chart; Dma Channel Assignments - Aaeon EMB-852T User Manual

M i n i - I T X
B.3 IRQ Mapping Chart
IRQ0
IRQ1
IRQ2
IRQ3
IRQ4
IRQ5
IRQ6
IRQ7
Note: In ACPI mode, COM3 to COM6 can be all enabled and
allocated to one IRQ (IRQ10 or IRQ11). In APM mode, only two
COMs among COM3 to COM6 can be enabled and allocated to
IRQ10 and IRQ11.
B.4 DMA Channel Assignments
DMA Channel
System Timer
Keyboard
Cascade to IRQ
Controller#2
COM2
COM1
Unused
Floppy
Printer
0
1
2
3
4
5
6
7
E M B - 8 5 2 T
IRQ8
IRQ9
IRQ10/11*
IRQ12
IRQ13
IRQ14
IRQ15
Function
Available
Available
Floppy device
Available
Direct Memory Access Controller
Available
Available
Available
Appendix B I/O Information
System CMOS / Real
time clock
Microsoft ACPI –
Compliant system
COM3 to
COM6/Touch Panel
PS/2 mouse
FPU
Primary IDE
Secondary IDE
B-3