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@galenzhao @zzc @Obmor following what @jock already said let me add this: we are speaking of tvboxes of value ranging from 10 dollars to 15 in worst case and it is a little miracle all the pieces of the puzzle are fitting to get the whole picture. And china producer are building new and new and new boards every week, different from the previous in one bit in dtb perhaps and not working as espected Maintain and develop all is simply impossible mainly for lack of time ( this is done for pleasure not for work... ) but also for lacking of hardware ( how can we test functionality if we don't own PHISICALLY the board ??? ) So in case is fundamental achieve new functionality, feel free to donate boards to me or @jock for further investigations Thanks for understanding, cheers

@Vladimir Trondin Thank you for such detailled Infos, photos and logs I doubt sv6158 Will ever work due lack of driver 's sources but sure @jock Will answer about it

@Parth maybe is easier if you tell us what are your goal, for what purposes you want use this box Don't forget the overall total cpu power and amount of ram, we are speaking of a 12 dollars soc. What do you want from this box ?

@Parth Even 3128 is working quite well with linux just compile kernel with appropriate config and appropriate cpu platform Regarding the garbage on uart, remember the uart speed is unusual ( 1500000 NOT 115200 ) until it starts modified uboot that is 115200 so you have to take care of this note I am the one in this project that discovered the uart pins on mostly of 322x boards and I can give for sure that if garbage comes out is: wrong pin wrong speed lack of ground On the software - firmware side can give you answers @jock @RaptorSDS and all the friends athat daily work on those boards

@Parth

@hfrts hello First of all and following the @jock's answer and the general rule of thumb of this 3ad I suggest post some photos of board and even better uart logs for every board. Second are well known general problems with inside wifi chips Third when you say " performance is very limited....." are you referring to wifi performance or overall performance of the box? Performance of wifi is limited to 24/26 mbs since the internal chip often is just one chain tx/rx sock ( maximum is 54 but this speed is avaible on double chain socks ) If " performance is very limited....." is referred to overall performance of the box, well try consider its hardware specs and what is the purpose you use the box for @jock... "they are dirty cheap hardware..." .........that costed to you, me and all other friends hundred of sleepless nights LOL 😅

@bellad 6200 Is not 6051 neither 6052 or other Is Just 6200 !!! And even It loads ssv6051 module, the 6200 chip Is unsupported as @jock already said

@GSAR Are you sure the Quick up-down of Power didnt damage phisically the USB subsystem ?

@Blyato this is the other coin side of cheap tvboxes : devilish behaviour is just around the corner. If someone wants reasonable functions one must buy sbc well supported. That said unfortunately without original stock firmware, device tree or better the whole board in hands is quite impossible to guess what is going on Try to search on google or ask vendor for the stock firmware

@Blyato take photos with good resolution with and without shield please

@Hqnicolas no It Is NOT unexpected if you ONLY had read the whole topic It Is clearly exposed since the night of ages that nand works ONLY on legacy kernel. About compiling the new 22.04, you cloned rockchip64-legacy. Are you sure It would also work in 32 bit environment armhf such as rk322x?

@primoitt thanks for those Infos, even if not strictly hardware related , they are usefull for building new distros Could be also interesting open a specific thread related ti repositories issues and leave this for hardware specific

@suser your avatar is a smith cart about impedence, I suppose.. Italian HAM here This make me think that you have the right approach to problem : WHY IS NOT WORKING !!! And not the simple " ok it will work in othe manner" but " what hell is going now" This is the spirit that animated @jock @ilmich and myself when we approached to rk322x world Unfortunately lack of documentation = trial and errors and understand code and compilation !! And again unsuccess and again trial and errors. Even actually the evil nand driver is ONLY proprietary, even if jock and ilmich actively searching for months a workaround Welcome in the club 😅

@suser 8723 are pain in the a** On other boards we have had even 8723cs but ONLY working with 8723bs driver. And many other strange combinations My suggestion : IF wifi strictly needed buy a few dollars external USB wifi dongle. ask here which are the best supported

@R Tech Definetly not Easy tò answer what Is going wrong with no booting without any support from uart ( USB/ttl adapter). Let see if somebody else has experienced trouble with this board like your, very recent board Btw It has ecmp chip

@DarthMirous have you read the whole thread ? This problem has been already discussed, such as has been discussed that commercial names (MXQ 4k Pro 5G) have no meaning at all Go back at least , let's say , 10 pages starting from this searching for problems similar to yours , and also post photos of the board inside with particular attention to version of the board

@Tiago Nogueira You asked an info, but let me make a question to you: did you read the whole thread ??? Or just you came in with this question " never made before" ? 😅

@jock I do agree with you, this is another case of " frankenstein needed! : some pieces from one, other pieces from others .. Not very clean solution but in might work Since those days when we starting case study of 322x shutdown and reboot issues were quite always, if not alaways , related to TRUSTOS so using the " legacy-proprietary" trustos and uboot for booting and then pass control to main kernel and rootfs could ipothetically work

@audio kees I do agree with @jock libreelec is not a bad idea, it works fine with tv, iptv ( LEGAL contents) , with dvb usb tuner dongle and with all media . Volumio is interesting, too Armbian is for ssh, nas, voip pbx, vpn, servers, and all the stuffs network related that linux is capable of. If you want high level media performances, just leave in a corner the 15 dollars tv box ( that work lovely thought) and go on well supported platforms as jock is suggesting you. But again , please open a new thread if you like, so we can keep this discussion about rk322X hardware/booting/hdmi and so on related problems. And thank you for spotting the emc/nand clock pin

@audio kees for me too is strange libreelec is bricking your board. Sure this don't happen on emmc and old nand with legacy kernel , but you have ecmp so maybe devil is in details. On this same thread and on libreelec forum there is a man @ilmich . He is the libreelec' s MASTER (lol), he is a friend and always prone to answer and find solutions. Let's ear directly from him his opinion. So I find usefull now you move on libreelec forum since here is more specific to armbian, linux and hardware problems related, all problems that seems to be solved Anyway I guess it should boot and work smoothless even libreelec on this ecmp , but I'm not the one that can answer

@audio kees I definetly agree with @RaptorSDS on the right side you have pins for a nand that isn't soldered .you can spot ecmp clock even there. usually pin 6 or 7 starting from the dot, but check with oscilloscope or try to boot pressing the little switch just at the end of eraphones hole at while still pressing it plug power. also try to find uart

@audio kees don't blame on age , 61 here ...lololol anyway the system is booting from sd ..and it will work from internal emmc , too !! just grab the gz one from the server and do all again, first erase the emmc and then burn in internal storage did you remember, or can you test by inserting again the multitool SD , how the internal storage was identified ? usuallycould be mmc2 or something like that

@audio kees you need the most simple and stupid usb keyboard, not sofisticated ones nor wireless because of lack of drivers in multitool that has a very basic kernel If you haven't one ... grab from a friend remember.. kiss !!! keep it simple (and) stupid

@Jaisere you welcome. Just grab the boot folder from a working image and put into the linaro one. then burn this " frankenstein" image with multitool. But I repeat, if you want latest patches use the @jock 's very last images on a sd or usb and you will be surprised how amazing are those boxes Don't forget to add a like to the posts, it help good consideration and reputation of the authors of this thread on the forum. Ty

@Jaisere correct