ADLINK Technology M-322 - Page 87

System Resources 73
M-322
IRQ Lines APIC Mode
IRQ# Typical Interrupt Resource Connected to Pin
0 System timer
Internal Timer / Counter 0 output /
HPET #0
3 Communications Port (COM2) IRQ3 via SERIRQ, PIRQ#
4 Communications Port (COM1) IRQ4 via SERIRQ, PIRQ#
6 Floppy Disk IRQ6 via SERIRQ, PIRQ#
8 System CMOS/real time clock Internal RTC / HPET #1
9 Microsoft ACPI-Compliant System
IRQ9 via SERIRQ, SCI, TCO, or
PIRQ#
10 Communications Port (COM3)
IRQ10 via SERIRQ, SCI, TCO, or
PIRQ#
11 Communications Port (COM4)
IRQ11 via SERIRQ, SCI, TCO, or
PIRQ#, or HPET#2
11
Intel ICH9 Family SMBus Controller
- 2930
13 Numeric data processor
State Machine output based on
processor FERR#assertion. May
optionally be used for SCI or TCO
interrupt if FERR# not needed.
14 Primary IDE Channel
SATA Primary (legacy mode), or via
SERIRQ or PIRQ#
15 Secondary IDE Channel
SATA Secondary (legacy mode) or
via SERIRQ or PIRQ#
16
Intel ICH9 Family PCI Express Root
Port 2 – 2942
16
Intel ICH9 Family USB Universal
Host Controller – 2937
16 Intel Q35 Express Chipset Family
16
Standard Dual Channel PCI IDE
Controller
17
Intel ICH9 Family PCI Express Root
Port 1 – 2940
17
Intel ICH9 Family PCI Express Root
Port 5 – 2948
17
Realtek RTL8168C(P)/8111C(P)
PCI-E Gigabit Ethernet NIC #2