Apic Mode - ADLINK Technology COM Express Express-BL User Manual

6.4.2.

APIC Mode

IRQ# Typical Intterupt Resource
0 Counter 0
1 Keyboard controller
2 Cascade interrupt from slave PIC
3 Serial Port 2 (COM2)
4 Serial Port 1 (COM1
5 N/A
6 N/A
7 N/A
8 Real-time clock
9 N/A
10 Serial Port 3 (COM3)
11 Serial Port 4 (COM4)
12 PS/2 Mouse
13 FERR# logic
14 SATA Primary
15 SATA Secondary
16 N/A
17 N/A
18 N/A
19 N/A
20 N/A
21 N/A
22 N/A
23 N/A
Note (1): These IRQs can be used for PCI devices when onboard device is disabled.
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Connected to Pin
N/A
IRQ1 via SERIRQ
N/A
IRQ3 via SERIRQ
IRQ4 via SERIRQ
N/A
N/A
N/A
N/A
IRQ9 via SERIRQ
IRQ10 via SERIRQ
IRQ11 via SERIRQ
IRQ12 via SERIRQ
N/A
IRQ14 via SERIRQ
IRQ15 via SERIRQ
P.E.G Root Port,Intel HDA, PCIE Port 0/1/2/3/4/5/6,
EHCI Conterller #2 , I.G.D ,XHCI Controller
PCIE Port 0/1/2/3/4/5/6, P.E.G Root Port,
PCIE Port 0/1/2/3/4/5/6, P.E.G Root Port, SMBus
Controller, EHCI Controller #2
PCIE Port 0/1/2/3/4/5/6, P.E.G Root Port,
Gbe Controller
Intel HDA
EHCI Controller #1
Available
No
No
No
Note (1)
Note (1)
Note (1)
Note (1)
Note (1)
No
Note (1)
Note (1)
Note (1)
Note (1)
Note (1)
Note (1)
Note (1)
Note (1)
Note (1)
Note (1)
Note (1)
Note (1)
Note (1)
Note (1)
Note (1)