System resources
Issue E
19
Interrupts
*The IRQ assignments for the devices marked with an asterisk are based on the
BIOS default settings; they are therefore dependent on the BIOS configuration
settings.
IRQ
Interrupt source
0 System
timer
1
PS/2 keyboard controller
3 COM2*
4 COM1*
6 COM3*
8
System CMOS/real time clock
9
ACPI subsystem interrupt*
12
PS/2 compatible mouse*
14 IDE
controller
16
Intel Poulsbo Family PCI Express Root Port 1 - 8110
16
Intel 82551IT PCI Ethernet controller
18
Intel Poulsbo Family USB Universal Host Controller - 8114
19
Intel Poulsbo Family USB Universal Host Controller - 8115
Intel Poulsbo Family USB Universal Host Controller – 8116
20
High Definition Audio
21
Intel Poulsbo Family USB2 Enhanced Host Controller - 8117
22
SDA Standard Compliant SD Host Controller
