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Comment by pjc50

7 hours ago

> emulate a PCIe card using another device

The other existing solution to this is FPGA cards: https://www.fpgadeveloper.com/list-of-fpga-dev-boards-for-pc... - note the wide spread in price. You then also have to deal with FPGA tooling. The benefit is much better timing.

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pjc50

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cakehonolulu  6 hours ago

Indeed, and even then, there's some sw-hw-codesign stuff that kinda helps you do what PCIem does but it's usually really pricey; so I kinda thought it'd be a good thing to have for free.

PCIe prototyping is usually not something super straightforward if you don't want to pay hefty sums IME.

  • immibis  5 hours ago

    The "DMA cards" used for video game cheating are generic PCIe cards and (at least the one I got) comes with open documentation (schematics, example projects etc).