cExpress-BT2
System Resources
39
6.3.2.
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)
Note (1):
These IRQs can be used for PCI devices when onboard device is disabled.
Summary of Contents for COM Express cExpress-BT2
Page 8: ...2 Introduction This page intentionally left blank...
Page 42: ...36 Smart Embedded Management Agent SEMA This page intentionally left blank...
Page 48: ...42 System Resources This page intentionally left blank...
Page 80: ...74 BIOS Checkpoints Beep Codes This page intentionally left blank...
