Pci configuration space - PowerPoint PPT Presentation

Detecting PCI devices

Detecting PCI devices. On identifying the peripheral equipment installed in our PC . Early PCs . Peripheral devices in the early PCs used fixed i/o-ports and fixed memory-addresses, e.g.: Video memory address-range: 0xA0000-0xBFFFF Programmable timer i/o-ports: 0x40-0x43

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Accessing network hardware

Accessing network hardware. The Network Interface Controllers are part of a larger scheme used in modern PCs for device control . Memory-mapped I/O.

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250 views • 22 slides

Message Signaled Interrupts

Message Signaled Interrupts. A look at our network controller’s optional capability to utilize Message Signaled Interrupts. The ‘old’ way. In order to appreciate the benefits of using Message Signaled Interrupts, let’s first see how devices do interrupts in a legacy PC. I/O Device. Interrupt

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221 views • 14 slides

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