cExpress-AL
System Resources 49
6.5. PCI Interrupt Routing Map
INT
Line
PCIE
port1
PCIE
port 2
PCIE
port 3
PCIE
port 4
PCIE
Port 5
PCIE
Port 6
Mobile
IGFX
PUNIT
Device
Int0 INTA:22 INTB:23 INTC:22 INTD:23 INTA:20 INTB:21 NTD:19
Int1 INTB:23 INTC:20 INTD:23 INTA:20 INTB:21 INTC:22 INTF:24
Int2 INTC:20 INTD:21 INTA:20 INTB:21 INTC:22 INTD:23
Int3 INTD:21 INTA:22 INTB:21 INTC:22 INTD:23 INTA:20
INT
Line
SMBus
Controller
NPK
Device
IUNT
PMC
HD
Audio
CES ISH SATA
Controller
XHCI XDCI
Int0 INTA:16 INTF:21 INTA:40 INTA:25 INTE:20 INTE:26 INTA:19 INTB:17
Int1 INTE:20 INTC:13
Int2
Int3
INT
Line
I2C0 I2C1 I2C2 I2C3 I2C4 I2C5 I2C6 I2C7 SPI1
Int0 INTA:27 INTF:31 INTA:35
Int1 INTB:28 INTB:32
Int2 INTC:29 INTC:33
Int3 INTD:30 INTD:34
INT
Line
SPI3 SPI3 SD Host #0 SD Host #1 SD Host #2 SD Host #3
Int0 INTC:15 INTD:39 INTH:38 INTB:37
Int1 INTB:36
Int2 INTC:37
Int3