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Question About Chipset and CPU connected USB Ports

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B4TTL3P1G
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Friday, March 31, 2023 8:09 AM (permalink)
I was wondering if someone with technical knowledge might be able to answer for me which rear IO USB ports are connected directly to the CPU on the X570 Dark, and which pass through the chipset first.  I was hoping that the block diagram that ships with the board might cover that, but unless I am missing something that information is not included.
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    Cool GTX
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    Re: Question About Chipset and CPU connected USB Ports Friday, March 31, 2023 2:49 PM (permalink)
    I do not have specific information about the EVGA MB - that is not already published, however I found some generic information about AMD X570 specifications
     
    X570 chipset information from AMD, mentions All USB are from the CPU
     
    AMD mentions the following about the X570 chipset
    (excerpt)
    Specifications
    The AMD X570 chipset ushers in extraordinary performance, allowing flexible and innovative build customization for gamers and content creators.
     
     Up to 16x PCIe® 4.0 Lanes


    Up to 12 SATA 6Gbps Ports
     
    4x USB HiSpeed 480Mbps
     
    8x USB SuperSpeed+ 10Gbps
     
    PLUS all of the PCIe 4.0, USB, and storage I/O from the AMD Ryzen Processor
     
    other articles worth a look:


    AMD Chipset Comparison: B550 Specs vs. X570, B450, X370, & Zen 3 ...
     
    The AMD X570 Motherboard Overview: Over 35+ Motherboards Analyzed
    by Gavin Bonshor on July 9, 2019 8:00 AM EST

    Learn your way around the EVGA Forums, Rules & limits on new accounts Ultimate Self-Starter Thread For New Members

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    B4TTL3P1G
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    Re: Question About Chipset and CPU connected USB Ports Sunday, April 02, 2023 7:46 PM (permalink)
    Interesting, interesting.  Thank you for doing some digging!  That would seem to indicate that for this board all the USB ports pass through the chipset.
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    _Gir_
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    Re: Question About Chipset and CPU connected USB Ports Sunday, April 02, 2023 9:35 PM (permalink)
    We do have CPU connected ports
     
    pg 6 of Dark manual
     
    USB 2.0 Ports:
    4x from AMD X570 Chipset – via 2 FP headers
    1x from Update Port for flashing the BIOS without CPU
    Supports hot plug/wake-up from S3 mode
     
     USB 3.2 Gen1 Ports:
    2x external (Type-A) via X570 Chipset, 2x internal from CPU via 1 FP header
    Supports transfer speeds up to 5Gb/s with full backwards compatibility
    Backwards compatible with USB 2.0 and USB 1.1 support.
     
     USB 3.2 Gen2 Ports:
    5x from X570 Chipset – 4x external (Type-A), 1x external (Type-C)
    1x internal header via CPU (Type-C)
    Supports transfer speeds up to 10Gb/s with full backwards compatibility
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