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B. Interrupt Request Lines (IRQ)
Peripheral devices use interrupt request lines to notify CPU for the service
required. The following table shows the IRQ used by the devices on board.
Level
IRQ 0
IRQ 1
IRQ 3
IRQ 4
IRQ 5
IRQ 7
IRQ 8
IRQ 11
IRQ 11
IRQ 12
IRQ 13
IRQ 14
IRQ 16
IRQ 19
IRQ 54 ~ IRQ 204
IRQ 256 ~ IRQ 511
IRQ 4294967283
IRQ 4294967284
IRQ 4294967285
IRQ 4294967286
IRQ 4294967287
IRQ 4294967288
IRQ 4294967289
IRQ 4294967290
IRQ 4294967291
IRQ 4294967292
AMS300 / 301 / 302 User Manual
Function
System timer
Standard PS/2 Keyboard
Communications Port (COM2)
Communications Port (COM1)
Communications Port (COM3)
Communications Port (COM4)
System CMOS/real time clock
Intel(R) 100 Series/C230 Series Chipset Family
SMBus - A123
Intel(R) 100 Series/C230 Series Chipset Family
Thermal subsystem - A131
Microsoft PS/2 Mouse
Numeric data processor
Motherboard resources
High Definition Audio Controller
Intel(R) Active Management Technology - SOL
(COM5)
Microsoft ACPI-Compliant System
Microsoft ACPI-Compliant System
Intel(R) Management Engine Interface
Intel(R) I211 Gigabit Network Connection
Intel(R) I211 Gigabit Network Connection
Intel(R) I211 Gigabit Network Connection
Intel(R) I211 Gigabit Network Connection
Intel(R) I211 Gigabit Network Connection
Intel(R) I211 Gigabit Network Connection
Intel(R) USB 3.0 eXtensible Host Controller - 1.0
(Microsoft)
Intel(R) HD Graphics 630
Intel(R) Ethernet Connection (2) I219-LM
Appendix
79
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