Not sure if this resolves the issue, but have you tried running the custom
bootloader?
You can run /usr/lib/uhd/utils/b2xx_fx3_utils -Q to see if it's installed
correctly. b2xx_fx3_utils -B /path/to/images/usrp_b200_bl.img will install
it. You should run usrp_burn_mb_eeprom --read-all first to dump the EEPROM
contents, just in case something goes wrong with the bootloader flashing.

--M

On Thu, Apr 29, 2021 at 6:12 AM Damon qiu <qiu.guowang...@gmail.com> wrote:

> Hi all,
>
> In one of our applications, we need to integrate USRP B200 and computer
> into a mechanical mechanism. So B200 is always connected to the USB port of
> the computer.
> In this case, the computer may not start, or it may take a long time to
> enter the operating system.
>
> Is there a solution? thank you.
>
> Best regards,
> Damon
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