BR-Automation Automation PC 820, User Manual, Page: 150 / 252

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Software • BIOS options
Automation PC 820 User's Manual V 1.00
1.12.4 Interrupt assignments in APCI mode
A total of 23 IRQs are available in the APIC mode ( A dvanced P rogrammable I nterrupt
C ontroller). The activation of this option is only effective if it takes place before the operating
system (Windows XP) is activated.
IRQ 0 1 2 3 4 5 6 7 8 9
10 11 12 13 14 15 16 17 18 19 20 21 22 23
NMI
NONE
System timer
●
Keyboard
●
IRQ cascade
●
COM1 (Serial port
A)
❍ ● ❍ ❍ ❍ ❍ ❍ ❍
COM2 (Serial port
B)
● ❍ ❍ ❍ ❍ ❍ ❍ ❍
ACPI
1)
1) A dvanced C onfiguration and P ower I nterface.
●
Real-time clock
●
Coprocessor
(FPU)
●
Primary IDE
channel
●
Secondary IDE
channel
❍
B&R
COM3
(COM C)
❍ ❍ ❍ ❍ ❍ ❍ ❍ ❍ ●
PIRQ A
2)
2) PIRQ A: for PCIe; UHCI Host Controller 2, VGA controller, PCI Express root port 4
●
PIRQ B
3)
3) PIRQ B: for PCIe; PCI Express root port 5, onboard Gigabit LAN controller
●
PIRQ C
4)
4) PIRQ C: for PCIe; PCI Express root port 2, IF slot
●
PIRQ D
5)
5) PIRQ D: for PCIe; UHCI Host Controller 1, SMBus controller, PCI Express root port 3
●
PIRQ E
6)
6) PIRQ E: PCI bus INTD, PATA in native mode
●
PIRQ F
7)
7) PIRQ F: PCI bus INTA, POWERLINK
●
PIRQ G
8)
8) PIRQ G: PCI bus INTB, CAN, timer
●
PIRQ H
9)
9) PIRQ H: PCI bus INTC, UHCI host controller 0, EHCI host controller
●
Table 113: IRQ interrupt assignments in APIC mode