AmITX-BT-I
Page 43
7.2.3.
IRQ Lines APIC mode
IRQ#
Typical Intterupt Resource
Connected to Pin
Available
0 System
timer
N/A
No
1
Standard PS/2 Keyboard
N/A
No
2 N/A
N/A
3
Communication Port(COM2)
IRQ3 via SERIRQ / PIRQ
Note (1)
4
Communication Port(COM1)
IRQ4 via SERIRQ / PIRQ
Note (1)
6 N/A
N/A
Note
(1)
7 N/A
N/A
Note
(1)
8
High precision event timer
N/A
No
9 N/A
N/A
Note
(1)
10 N/A
N/A
Note
(1)
11 N/A
N/A
Note
(1)
12
PS/2 Mouse
IRQ12 via SERIRQ / PIRQ
Note (1)
13 N/A
N/A
Note
(1)
14 N/A
N/A
Note
(1)
15 N/A
N/A
Note
(1)
16
N/A
PCIE Port 1/2/3/4, eMMC, IGD, PCI Slot 1/2/3/4
Note (1)
17
N/A
PCIE Port 1/2/3/4, SDIO Device, PCI Slot 1/2/3/4
Note (1)
18
N/A
PCIE Port 1/2/3/4, SD Device, PCI Slot 1/2/3/4
Note (1)
19
N/A
PCIE Port 1/2/3/4, AHCI controller, PCI Slot 1/2/3/4 Note (1)
20
N/A
Gbe controller, xHCI controller
Note (1)
21
N/A
Low Power Audio Engine,TXE
Note (1)
22
N/A
Intel HDA
Note (1)
23 N/A
N/A
Note
(1)
Notes(1):
These IRQs can be used for PCI devices when onboard device is disabled.
