ADLINK Technology cExpress-AL - Page 52

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