[USRP-users] ADC Self-Test FAILED

Mark Koenig mark.koenig at iubelttechnologies.com
Wed Oct 11 13:38:13 EDT 2017

Thank you for the follow up.  Is this the only resolution?

Thank you


From: Michael West <michael.west at ettus.com>
Date: Tuesday, October 10, 2017 at 4:00 PM
To: Mark Koenig <mark.koenig at iubelttechnologies.com>
Cc: "usrp-users at lists.ettus.com" <usrp-users at lists.ettus.com>
Subject: Re: [USRP-users] ADC Self-Test FAILED

Hi Mark,
Update UHD to a newer version.  The head of the maint branch or the latest release should work.  The ADC self test is skipped when supplying "recover_mb_eeprom" as of UHD

On Tue, Oct 10, 2017 at 12:32 PM, Mark Koenig via USRP-users <usrp-users at lists.ettus.com<mailto:usrp-users at lists.ettus.com>> wrote:
Just following up on the message I sent out 8 days ago.  Does anyone have any resolution to this issue?  I have seen other people have the problem, but have yet to find a fix.



From: Mark Koenig <mark.koenig at iubelttechnologies.com<mailto:mark.koenig at iubelttechnologies.com>>
Date: Monday, October 2, 2017 at 10:18 AM
To: "usrp-users at lists.ettus.com<mailto:usrp-users at lists.ettus.com>" <usrp-users at lists.ettus.com<mailto:usrp-users at lists.ettus.com>>
Subject: ADC Self-Test FAILED


I am getting the following output when trying to recover the mb EEprom.  Can anyone be of assistance?

Thank you


[root at localhost utils]# ./usrp_burn_mb_eeprom --args="recover_mb_eeprom,addr=" --values="revision=4"
linux; GNU C++ version 4.8.5 20150623 (Red Hat 4.8.5-16); Boost_105300; UHD_003.009.000-0-gcd88f80f

Creating USRP device from address: recover_mb_eeprom,addr=
-- X300 initialization sequence...
-- Determining maximum frame size... 1472 bytes.
-- Setup basic communication...
-- Loading values from EEPROM...

UHD Warning:
    UHD is operating in EEPROM Recovery Mode which disables hardware version checks.
    Operating in this mode may cause hardware damage and unstable radio performance!
-- Setup RF frontend clocking...
-- Radio 1x clock:200
-- Detecting internal GPSDO.... Found an internal GPSDO
-- Initialize Radio0 control...
-- Performing register loopback test... pass
-- Initialize Radio1 control...
-- Performing register loopback test... pass
Error: RuntimeError: ADC self-test failed! Ramp checker status: {ADC0_I=Bit Errors!, ADC0_Q=Good, ADC1_I=Good, ADC1_Q=Good}

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