I'm saying that you might try to continue the effort to JTAG load a more modern FPGA image. It's possible you have to hold down the safe mode button while loading the image.
On Thu, May 9, 2019, 2:22 PM Joe Martin <k...@k5so.com> wrote: > Thanks for digging into that for us, Nick. Interesting. As the hardware > change to rev4 occurred around mid 2011 and the earliest UHD version that > exists on the files.ettus.com/uhd page is Feb 2104, what is the > likelihood in your opinion that the UHD version will be compatible with the > rev2/3 hardware from 2011? > > So far I’ve not been successful in reviving the 2014 UHD version so I’m > asking to determine whether continued effort to do so is likely to yield > anything positive with respect to interfacing with the 2011 hardware. > > Joe > > On May 9, 2019, at 3:06 PM, Nick Foster <bistrom...@gmail.com> wrote: > > So I really dug into the old archives here and literally pulled an old > hard drive out of a closet, and found a copy of the old hardware repository > from back in the days when N210 was called "USRP2+". Best that I can tell, > we only ever released two versions to the public. We might have sold R3 > stickered as R2 -- I don't see anything in the repository that would > indicate otherwise. Rev 2/3 was sold until around June or July 2011, when > we moved to rev 4. The only firmware/host code changes I can see between > any of the versions are that R4 used LVDS clocking to the daughterboard > where previous versions used CMOS. So I think you should be able to run r3 > firmware on your N210. > > That said, the very very old N210s with very very old firmware might not > have used the same safe/production firmware/fpga image arrangement that we > later arrived at. The hardware is still fine, but you might be in for a bit > of a deep dive to get it all running again. > > If you have a TTL-serial adapter or a logic analyzer that works as such, > you can connect to the debug UART header and get printout information from > the firmware at boot time. Another good idea would be to take a video of > the front panel LEDs as you apply power -- the boot LED lights give good > indication of the firmware/FPGA image loading process. > > Nick > > On Thu, May 9, 2019 at 1:42 PM Joe Martin via USRP-users < > usrp-users@lists.ettus.com> wrote: > >> Thanks for the info, Marcus. However, seeing that Jason went through >> this last year with a couple of N210 he has it would seem unlikely that all >> three of the N210 are broken. That being said and considering what you jus >> said it seems that I should’ve been able to find some version of UHD that >> will successfully communicate with the firmware and fpga images stored in >> the unit; I have not, using UHD versions from 3.9.0 to 3.14.0. >> >> I wanted to try with even earlier versions of UHD but am finding trouble >> in utilizing UHD v3.4.0 (earliest version I could find) as it seems that >> “prebuilt” v3.4.0 needs only Ubuntu 10.10 or 11.10 which so far I’m not >> able to successfully install and run. Seems we’re running out of option >> on this one so the Deep Space Exploration Society, who I’m trying to help >> with this, may have to come to grasps with the notion that their N210 is a >> true brick. >> >> Joe >> >> On May 9, 2019, at 2:23 PM, Marcus D. Leech via USRP-users < >> usrp-users@lists.ettus.com> wrote: >> >> On 05/09/2019 04:18 PM, Joe Martin via USRP-users wrote: >> >> Nick, Ian, >> >> If this unit happens to be incorrectly labeled as a rev 2 N210 and it is >> actually a rev 3 N210, is there hope in being able to load rev 3 firmware >> and fpga images (which I have located previously and tried actually) with >> some available UHD version? If so, would you be able to tell me which UHD >> version(s) might be able to communicate with it? >> >> Joe >> >> Theoretically, most versions in the last several years should be able to >> talk to it. In *general* UHD never drops support for older hardware, >> and tries to maintain compatibility. Now, it is the case that newer >> features are almost never "back-ported", but basic functionality should >> always be there. >> >> What this *should* mean is that you should be able to use the firmware >> tools once the device is in "safe mode" to get yourself to where you >> want to be. If that doesn't work, that may well mean that the hardware >> is broken, and it's unlikely to be economical to repair. >> >> >> On May 9, 2019, at 2:12 PM, Joe Martin via USRP-users < >> usrp-users@lists.ettus.com> wrote: >> >> Okay. I’ve asserted from the outset that it’s a rev 2, based on the >> factory label. Is this N210 a lost cause if it is actually a Rev2 N210? >> >> Joe >> >> On May 9, 2019, at 2:05 PM, Nick Foster <bistrom...@gmail.com> wrote: >> >> Well, it's not a rev 4. It's either 2 or 3 in terms of hardware revision. >> >> On Thu, May 9, 2019 at 12:58 PM Joe Martin <k...@k5so.com> wrote: >> >>> …able to ping 192.168.10.2 successfully. >>> >>> On May 9, 2019, at 1:54 PM, Joe Martin <k...@k5so.com> wrote: >>> >>> Ian, >>> >>> Yes, I have tried many times to boot in safe mode, same result >>> regardless. Yes, I am able to pin to 192.168.10.2 successfully. >>> >>> Joe >>> >>> On May 9, 2019, at 1:47 PM, Joe Martin via USRP-users < >>> usrp-users@lists.ettus.com> wrote: >>> >>> Ian and Nick, >>> >>> Thanks for the assistance. Attached are dropbox links to two snapshot >>> photos: 1) the factory label on the back of the N210, showing N210 r:2.0 >>> and 2) a top side view of the N210. >>> >>> 1) https://www.dropbox.com/s/u92x02rni71kfb3/20190509_133253.jpg?dl=0 >>> 2) https://www.dropbox.com/s/1p8ocqf4qcr9ohb/20190509_133800.jpg?dl=0 >>> >>> Seems this unit is indeed a rev 2 N210, yes? >>> >>> Joe >>> >>> On May 9, 2019, at 12:40 PM, Nick Foster <bistrom...@gmail.com> wrote: >>> >>> Moreover, the best "tell" is to look at the N210 motherboard. If the >>> SRAM chip is on the top side, it's a rev 2/3. If the SRAM is on the bottom >>> side, it's a rev 4. If you send a picture along of the top of the N210, I >>> can tell you if it's early or late rev. >>> >>> On Thu, May 9, 2019 at 11:36 AM Ian Buckley via USRP-users < >>> usrp-users@lists.ettus.com> wrote: >>> >>>> Joe, >>>> So I scratched my head about this a little late last night and looked >>>> back through the development repository for the N210 and as far as I can >>>> tell there was never customer facing FPGA code for a Rev2 N210. Chatting >>>> with Matt this morning he shared my feeling that a Rev2 wasn't sold to >>>> customers, so I'm curious if you have a unit that has a factory label that >>>> says N210Rev2 or if you have seen "usrp2 rev2.0" on the PCB (which can be >>>> missleading). >>>> >>>> Also have you tried booting into the safe image and verifying that it >>>> at least pings on 192.168.10.2? >>>> >>>> If we can conclusively identify which rev of h/w you have I can >>>> probably help further. >>>> >>>> Ian >>>> >>> >>> _______________________________________________ >>> USRP-users mailing list >>> USRP-users@lists.ettus.com >>> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >>> >>> >>> >>> >> _______________________________________________ >> USRP-users mailing list >> USRP-users@lists.ettus.com >> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >> >> >> >> >> _______________________________________________ >> USRP-users mailing >> listUSRP-users@lists.ettus.comhttp://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >> >> >> _______________________________________________ >> USRP-users mailing list >> USRP-users@lists.ettus.com >> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >> >> >> _______________________________________________ >> USRP-users mailing list >> USRP-users@lists.ettus.com >> http://lists.ettus.com/mailman/listinfo/usrp-users_lists.ettus.com >> > >
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