IBASE Technology MPT-1000V, User Manual

Page: 85 / 111

Appendix
MPT-1000V User’s Manual 77
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 Function
IRQ 8 High precision event timer
IRQ 4 Communications Port (COM1)
IRQ 3 Communications Port (COM2)
IRQ 5 Communications Port (COM3)
IRQ 7 Communications Port (COM4)
IRQ 7 PCI Simple Communications Controller
IRQ 7 SM Bus Controller
IRQ 11 Communications Port (COM5)
IRQ 4294967282~87 Intel(R) I210 Gigabit Network Connection
IRQ 4294967294 Standard SATA AHCI Controller
IRQ 4294967288~93 Intel(R) I210 Gigabit Network Connection #2
IRQ 55~204 Microsoft ACPI-Compliant System
IRQ 256~511 Microsoft ACPI-Compliant System
IRQ 25 High Definition Audio Controller
IRQ 14 Intel(R) Serial IO GPIO Host Controller - INT3452
IRQ 27 Intel(R) Serial IO I2C Host Controller - 5AAC
IRQ 4294967281
Intel(R) USB 3.0 eXtensible Host Controller - 1.0
(Microsoft)
IRQ 0 System timer