Apic mode – ADLINK cExpress-BT User Manual

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cExpress-BT

Page 43

6.3.2. APIC Mode

IRQ#

Typical Intterupt Resource

Connected to Pin

Available

0 System

timer

N/A

1 N/A

N/A

2 N/A

N/A

Note (1)

Serial Port 1 (COM1)

IRQ4 via SERIRQ / PIRQ

Note (1)

N/A

Note (1)

6 N/A

N/A

Note

(1)

7 N/A

N/A

Note

(1)

High precision event timer

N/A

9 N/A

N/A

Note

(1)

10 N/A

N/A

Note

(1)

11 N/A

N/A

Note

(1)

N/A

Note (1)

13 N/A

N/A

Note

(1)

14 N/A

N/A

Note

(1)

15 N/A

N/A

Note

(1)

N/A

PCIE Port 1/2/3/4, eMMC, IGD

Note (1)

N/A

PCIE Port 1/2/3/4

Note (1)

N/A

PCIE Port 1/2/3/4, SD Device, HSUART

Note (1)

N/A

PCIE Port 1/2/3/4, AHCI controller

Note (1)

N/A

GbE controller, xHCI controller

Note (1)

N/A

Low Power Audio Engine,TXE

Note (1)

N/A

Intel HDA

Note (1)

23 N/A

N/A

Note

(1)

Note (1): These IRQs can be used for PCI devices when onboard device is disabled.