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  • mkopec

    Post
    Greetings,

    One possible reason for instability is the Core Performance Boost (CPB). Please try disabling it in the BIOS setup menu and see if it improves stability.

    Regards
  • marvin

    Thread
    Hi,
    I've got a used APU2C board from family and would like to fresh install a new OS.

    When I connect via the serial console, I do see the board booting and can interact (change boot device, perform memory test,...) for a few seconds (around 10-50s) before…
  • rahlquist

    Post
    (Quote from mkopec)

    So iIt shouldnt but with 160Mhz on it turns out the interface doesnt come up. It's likely the card is not DFC certified for use in the US. So if I select Us region it wont tenable if I choose 160Mhz? Maybe?

    ref:
  • mkopec

    Post
    (Quote)

    It should not be a problem, devices without 160MHz support will just fall back to a narrower channel width that they support. I have some non-160MHz clients connected to mine for example.
  • rahlquist

    Post
    I've not tested the MT7915 with iperf because I am always happy with anything over 30Mbps on wifi. I cant run at 160Mhz only 2 of my 5 5Ghz clients support it currently. It runs very hot with my case closed (59-74c) so I have ordered a heatsink for it.
  • mkopec

    Post
    I actually have the MT7915 card in my apu2 too, the non-DBDC version from AsiaRF: https://www.asiarf.com/shop/wi…g-n-2-4g-5ghz-aw7915-np1/

    I'm getting over 1Gbps in iperf3 (server running on the apu2 itself) on openwrt 21.02.2, and 700-900 mbps to WAN…
  • rahlquist

    Replied to the thread APU2 successor wishlist.
    Post
    No matter what comes next, I gotta say, PCEngines is the only real player in the mid-cost range for this type of hardware. The closest competition feature wise are all significantly higher cost or weaker platforms.

    I dont want to name names but the…
  • rahlquist

    Post
    Appears the MT7915 has heat issues. With no added cooling some folks are reporting temps in excess of 100c I have heatsinks coming and will report back. Card still working well, just gets hot.

    Mine is currently clocking in at 74c, CPU is at 53c and my…
  • rahlquist

    Post
    Ok so it wasnt final verdict.

    The CPU scaling is not working well enough in openwrt. Once I set it to performance and set them to 1ghz then I could rsync files at 2.5Gbs over the wire with the ASUS 2.5G Ethernet USB Adapter (USB-C2500) Realtek R8152 based…
  • rahlquist

    Post
    Final verdict on the 2.5Gbps usb adapters. If locked to 1Gbps, they function fine if you get the right drivers in place. Let them negotiate to 2.5Gbps and iperf tests only work up to just under 700Mbps. It uses up 100% of the core its running on and…

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    1. APU2C Console freezes after few seconds 1

      • marvin
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    3. mkopec