USB Device Descriptor Failure

jayman
jayman New Member Posts: 66 ✭✭
in UP Xtreme Troubleshooting and FAQs

I have 4 UP Xtreme systems in my lab and they all show the same error about a USB Device Descriptor Failure:

The device in questions appears to be USB HighSpeed port 8, which is assigned to the M.2 (2230 E-key) header. I do not have anything connected to that header on any of the systems, but they all show the same error.

Any clue as to what's going on here?

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  • rogertsai(AAEON)
    rogertsai(AAEON) New Member Posts: 350 ✭✭✭

    @jayman
    The "Unknown USB device (.HS08)" is a normal because there was no driver on this device.
    Please refer to the user manual below, chapter 3.1, pp. 40 for details
    UPX-Edge Manual 1.0

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  • jayman
    jayman New Member Posts: 66 ✭✭

    Oh that makes sense now. I was going by the block diagram (https://up-board.org/up-xtreme/) which shows HS port 8 connected to the M.2 E-key and HS port 10 going to the STM32. I guess those 2 were swapped since HS port 10 is what Intel recommends to be used for the CNV interface.

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  • jayman
    jayman New Member Posts: 66 ✭✭

    @rogertsai(AAEON) said:
    @jayman
    The "Unknown USB device (.HS08)" is a normal because there was no driver on this device.
    Please refer to the user manual below, chapter 3.1, pp. 40 for details
    UPX-Edge Manual 1.0

    The first few UP Xtreme system we bought apparently came with a blank MCU flash, thus causing the DEVICE_DESCRIPTOR_FAILURE error. On the more recent ones, the MCU was pre-programmed and shows up as USB Serial Device.

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  • Robin023
    Robin023 New Member Posts: 2 ✭

    I have solved my issue by connecting the USB to another port.

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