886LCD-M Family
KTD-00474-U
Public User Manual
Date: 2010-06-22 Page
54 of 81
6.3 Interrupt
Usage
IRQ
O
nboard system parity errors and IO
CHCHK signal activation
Onboard Timer 0 Interrupt
Onboard Keyboard Interrupt
Used for Cascading IRQ8-IRQ15
May be used by onboard Serial Port A
May be used by onboard Serial Port B / IrDA Port
May be used by onboard Serial Port C
May be used by onboard Serial Port D
May be used by onboard SATA controller
May be used by onboard Parallel Port
May be used by onboard Floppy disk Controller
Used by onboard Real Time Clock Alarm
May be used by onboard P/S 2 support
Used for Onboard co-processor support
May be used by primary harddisk controller
May be used by secondary harddisk controller
May be used for onboard Sound System
May be used by onboard USB controller
May be used by onboard Ethernet controller 1
May be used by onboard Ethernet controller 2
May be used by onboard Ethernet controller 3
May be used by onboard VGA Controller
May be used by onboard SMBus Controller
Available on PCI slots as IRQA-IRQ
D depending on selections in the BIOS
Notes
NMI
•
IRQ0
•
IRQ1
•
IRQ2
•
IRQ3
•
•
•
•
•
1, 2
IRQ4
•
•
•
•
•
1, 2
IRQ5
•
•
•
1, 2
IRQ6
•
•
•
•
•
•
1, 2
IRQ7
•
•
1, 2
IRQ8
•
IRQ9
•
•
•
•
•
1, 2
IRQ10
•
•
•
•
•
•
1, 2
IRQ11
•
•
•
•
•
1, 2
IRQ12
•
•
1
IRQ13
•
IRQ14
•
•
1
IRQ15
•
•
1
IRQ16
•
•
3
IRQ17
•
3
IRQ18
•
3
IRQ19
•
3
IRQ20
3
IRQ21
3
IRQ22
3
IRQ23
•
3
IRQ24
•
3
IRQ25
•
3
IRQ26
•
3
Notes
:
1.
Availability of the shaded IRQs depends on the setting in the BIOS. According to the PCI Standard,
PCI Interrupts IRQA-IRQD can be shared.
2.
These interrupt lines are managed by the PnP handler and are subject to change during system
initialisation.
3.
IRQ16 to IRQ26 are APIC interrupts
