ADLINK Express-BE - Manual (Page 45)

Express-BE Page 45
6.4.2. APIC Mode
IRQ# Typical Intterupt Resource Connected to Pin Available
0 Counter 0 N/A No
1 Keyboard controller N/A No
2 PCI N/A No
3 Serial Port 4 / PCI IRQ3 via SERIRQ Note (1)
4 Serial Port 3 / PCI IRQ4 via SERIRQ Note (1)
5 PCI IRQ5 via SERIRQ Note (1)
6 Floppy Drive Controller IRQ6 via SERIRQ No
7 PCI IRQ7 via SERIRQ Note (1)
8 Real-time clock N/A No
9 ACPI-Compliant system IRQ9 via SERIRQ Note (1)
10 Serial Port 1 IRQ10 via SERIRQ Note (1)
11 Serial Port 2 IRQ11 via SERIRQ Note (1)
12 PS/2 Mouse / PCI IRQ12 via SERIRQ Note (1)
13 Math Processor N/A No
14 N/A N/A Note (1)
15 N/A N/A Note (1)
16 N/A HDA controller, AMD PCI-to-PCI Bridge#1
ATI PCI-to-PCI Bridge#1/2/3/4 Yes
17 N/A EHCI USB Controller#0/1/2 Yes
18 N/A AMD PCI-to-PCI Bridge#3,OHCI USB
Controller#0/1/2 Yes
19 N/A HDA controller, AMD PCI-to-PCI Bridge#4 Yes
Note (1): These IRQs can be used for PCI devices when onboard device is disabled.