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QuadMo747-x2000
QuadMo747-x2000 User Manual - Rev. First Edition: 1.0 - Last Edition: 2.0 - Author: S.B. - Reviewed by G.G. Copyright © 2014 SECO S.r.l.
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4.7.2
INT# Devices assignment
Device
IRQ Line
PCI Express port #1 (PCIE#0 signals)
INTA#
PCI Express port #2 (PCIE#1 signals)
INTB#
PCI Express port #3 (PCIE#2 signals)
INTC#
PCI Express port #4 (Gigabit Ethernet controller)
INTD#
HD Audio
INTA#
UHCI Controller #0 (USB Ports #0 and #1)
INTA#
UHCI Controller #1 (USB Ports #2 and #3)
INTB#
UHCI Controller #2 (USB Ports #4 and #5)
INTC#
UHCI Controller #3 (USB Ports #6 and #7)
INTD#
EHCI Controller
INTA#
Internal Graphics Device (IGD)
INTA#
SATA (AHCI Mode)*
INTB#
SM Bus
INTB#
* When SATA is set to work in IDE Legacy mode, and not in AHCI mode, then it will use IRQ14 and IRQ15, that will not be free anymore (see also par. 4.7.1).