Bzaah V0IDZP
UNITED KINGDOM • + Follow
Apr 28,2024
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  • Hello, Bzaah V0IDZP. I would like to know if it is possible to "order" a design and also check compatibility with some libraries.

    1 - Well, basically, I’d like to know if it’s possible for you to design a DMA with the chip (Xilinx? 7 series Artix-7 75T FPGA).



    2 - I’d also like to know if the project you provided is compatible with the leechcore and pcileech libraries. I’ll include the link to their GitHub repositories.

    https://github.com/ufrisk/pcileech
    https://github.com/ufrisk/LeechCore

    Reply
  • Hello I want to order this card with assemblies builded. How can I order?

    PCBWay Team 2024-11-11 10:46:18Reply

    You can select PCB+Assembly in the upper right corner, and then click Add to cart to enter the quantity you want to place an order.

    Reply
  • Thank you for your reply. According to your reply, I marked the traces that need to be 90 ohm and 100 ohm impedance, as shown in the figure above. Could you please confirm whether it is correct? In addition, are there other traces that need impedance that I have not marked?

    Bzaah V0IDZP 2024-06-24 22:54:35Reply

    this is correct... no that is all the traces that need impedance thank you

    PCBWay Team 2024-06-25 09:34:30Reply

    Thanks for your quickly reply. We get it.

    Reply
  • Thank you for sharing. A client is very interested in this project and has a few questions that need your help to confirm, As shown in the figure above. If you have any other questions, you can also send an email to mia@pcbway.com.

    Bzaah V0IDZP 2024-06-21 04:34:01Reply

    Answers: 1. Yes this board has been produced before, Any Issues No 2.Impedance control PCIe® Gen 1 and 2:100 Ω ±5% differential; 50 Ω ±5% single ended PCIe® Gen 3 and 4: 85 Ω ±5% differential; 42.5 Ω ±5% single ended 4.. 1.44 to 1.70 mm (0.057 to 0.069 inches), which would be a tolerance of about ±8%. 5. Bevelling of the gold fingers must be avoided

    PCBWay Team 2024-06-21 10:44:16Reply

    Thank you for your quickly response. To help the factory better identify the traces requiring impedance control, could you specify which trace in the Gerber files require impedance control based on their trace width and spacing? Alternatively, could you mark them on a picture? Additionally, could you provide the stack-up information you have previously used? If it's inconvenient to attach pictures here, feel free to send them to mia@pcbway.com. Much appreciated.

    Bzaah V0IDZP 2024-06-22 00:48:45Reply

    PCIe connector and USB3 traces would be impedance matched on top and bottom layers

    Reply
  • For R49, the Comment column in BOM is 50k, but the vendor part C525364 you gave corresponds to 100K. Could you please confirm the correct resistance value of R49?

    Bzaah V0IDZP 2024-06-04 21:13:35Reply

    R49 = 50K Part NO C137969 = 49.9K

    PCBWay Team 2024-06-05 09:22:34Reply

    OK, thanks for your reply. We get it.

    Reply
  • no bevelling on the edge connector

    Reply
  • Hi, we would like to confirm another question: Should we produce bevelling for the edge connector? If yes, is there a bevelling angel you recommend? 20, 30 or 45degrees? Looking forward to your reply.

    Reply
  • Thank you for sharing. We noticed that you updated the BOM on the 18th, but we found that the BOM does not include the reference designators and quantities. Could you please add the reference designators and quantities to the BOM?

    Reply
  • Hello, thanks for your sharing. The resistor value in the above picture does not match the part number. Could you please provide the correct resistance value of the following resistors?

    Bzaah V0IDZP 2024-05-17 21:50:57Reply

    R19 = 900K R49, R53 R55 = 50K

    Reply
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