Fortec Star iBase MBB-1000, Manual

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MBB-1000AF User’s Manual
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 0 System timer
IRQ 1 Standard PS/2 Mouse
IRQ 3 Communications Port (COM2)
IRQ 4 Communications Port (COM1)
IRQ 4 PCI Data Acquisition and Signal Processing
Controller
IRQ 5 Communications Port (COM3)
IRQ 7 Communications Port (COM4)
IRQ 8 High precision event timer
IRQ 12 Microsoft PS/2 Mouse
IRQ 14
Intel(R) Serial IO GPIO Host Controller -
INTC1056
IRQ 16
Intel(R) Serial IO UART Host Controller -
7AA8
IRQ 17 High Definition Audio Controller
IRQ 19
Intel(R) Active Management Technology -
SOL (COM5)
IRQ 27 Intel(R) Serial IO I2C Host Controller - 7ACC
IRQ 29 Intel(R) Serial IO I2C Host Controller - 7ACE
IRQ 31 Intel(R) Serial IO I2C Host Controller - 7AFC
IRQ 32 Intel(R) Serial IO I2C Host Controller - 7AFD
IRQ 37 Intel(R) Serial IO SPI Host Controller - 7AAB
IRQ 43 Intel(R) Serial IO I2C Host Controller - 7ACF
IRQ 109 Trusted Platform Module 2.0
IRQ 55 ~ IRQ 204 Microsoft ACPI-Compliant System
IRQ 256 ~ IRQ 511 Microsoft ACPI-Compliant System