3 ms·
Indeed there are no interrupt pins in PCI express at all, you only have a choice between special "Legacy/Compatibility" Assert_INTx message packets, or plain Me
by eqvinox 4y ago
Indeed there are no interrupt pins in PCI express at all, you only have a choice between special "Legacy/Compatibility" Assert_INTx message packets, or plain Memory Writes for MSI/MSI-X. But both are carried as in-band PCIe packets on the high speed lanes.