Technical information
8.5 Hardware descriptions
SIMATIC IPC477D, IPC477D PRO
236
Operating Instructions, 11/2016, A5E31347228-AF
Interrupt
Interrupt type
IRQ16
Graphics; PCI Express Root Port 3, 4, 8;
PCI Express Root Port 2, 3 (CPU-PEG slots) con-
nected to PCIe Riser slots
PCI shared
IRQ17
PCIe-x4 slot on Riser (1x4)
PCI exclusive
IRQ18
LAN2 (82574L Gigabit Network connection); PCIe-
x1 slot on Riser (1x1)
PCI shared
IRQ19
DP12/MPI or PROFINET (optional), NVRAM
PCI exclusive
IRQ20
USB EHCI controller #1; USB EHCI controller #2;
USB XHCI controller
PCI shared
IRQ21
LAN1 (82579LM, Gigabit Network connection)
PCI exclusive
IRQ22
SATA controller #1; SATA controller #2
PCI shared
IRQ23
Intel Management Engine Interface; High Definition
Audio Interface
PCI shared