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The Peripheral Component Interface (PCI), a parallel master-slave bus, was the dominant bus to connect computer peripheral cards in personal computers and servers. It was mostly superseeded by the very different PCI express (PCIe) interface.

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480 views

PCIe Domain, Bus, Device, Function limits

I am new to PCIe. I would like to understand 256 (bus), 32 (device), 8 (function). I am trying to visualise these PCIe slots on a motherboard. I am used to desktop motherboards where we have one PCIE_ …
Franc's user avatar
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Do PCI Express devices' interrupts always go through a PIC or an APIC?

My Question is PCI/PCIe interrupt path to CPU is through a PIC or an APIC? … In that case the PCI interrupt(MSI) bypasses PIC and talks to CPU over the PCI's slot directly? …
Franc's user avatar
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