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Recent content by hpo14

  • SNBForums Code of Conduct

    SNBForums is a community for everyone, no matter what their level of experience.

    Please be tolerant and patient of others, especially newcomers. We are all here to share and learn!

    The rules are simple: Be patient, be nice, be helpful or be gone!

  1. H

    RT-AC86U 1024MB RAM support.

    A good suggestion of using Rose's metal. But, as i had modified my router to an online nand programmer and i also have another offline nand programmer. It let me easily change / switch nand chip live, without worried about the soldering or desoldering. OK, back to my issue XD. I think the ECC...
  2. H

    RT-AC86U 1024MB RAM support.

    With your full nand dump, I got the same "bad result" as mine before. :p (I use a new nand chip with 0 bad block.) NAND ECC BCH-8, page size 0x800 bytes, spare size used 108 bytes NAND flash device: , id 0xc2da block 128KB size 262144KB ... nand: device found, Manufacturer ID: 0xc2, Chip ID...
  3. H

    RT-AC86U 1024MB RAM support.

    Although i already have two full nand dump by my own with two different tools from a good rt-ac86u. (one was a python script using dn command to dump content from cfe mode. Another was a nand programmer) But, yes. I'd be glad if you can share it (Prefer google driver or Mega.nz, or i can provide...
  4. H

    RT-AC86U 1024MB RAM support.

    OK, back to my situation. The reason i want to build CFE was due to this NAND problem The "bad" one has already replaced a new nand chip. (the full log is in attachment) My good rt-ac86u nand: Could not find valid ONFI parameter page; aborting nand: device found, Manufacturer ID: 0xc2, Chip ID...
  5. H

    [rt-ac86u] very easy to brick

    maybe HW error ? I found the difference between my good rt-ac86u and bad rt-ac86u (boot loop, already replaced with a new NAND chip) The Good one nand: Could not find valid ONFI parameter page; aborting nand: device found, Manufacturer ID: 0xc2, Chip ID: 0xda nand: Macronix NAND 256MiB 3,3V...
  6. H

    RT-AC86U 1024MB RAM support.

    I copied the self build CFE binary (cfe4908.bin, cfe4908ram.bin, cfe4908rom.bin) to "targets/cfe/sysdeps/RT-AC86U" to replace the default files. and make a full build make rt-ac86u with success. Then flash the custom firmware (RT-AC86U_<version>_cferom_ubi.w) to my RT-AC86U. With a reboot after...
  7. H

    RT-AC86U 1024MB RAM support.

    It's really wired. :p
  8. H

    RT-AC86U 1024MB RAM support.

    Maybe ~ Its magic that the "commit b93cd5bb222db1733668e9d89cfca0153880c0d7 (HEAD, tag: 384.19)" only exist on github's source code but not in the code I downloaded. $ git log --all | grep -B5 "384.19 final" commit 8c72854f4d1037a5fbab468135143560fee7d80e Author: Eric Sauvageau...
  9. H

    RT-AC86U 1024MB RAM support.

    oops, our source code maybe different ..... This is what i got. when checkout to Tag @ 384.19 hpo14 @ ~/.../ac86/docker/asuswrt-merlin.ng (build-cfe) $ git tag -l | grep 384.19 384.19 384.19-ax 384.19-beta1 384.19-beta1-ax 384.19-beta1-mainline 384.19-beta2 384.19-beta2-ax...
  10. H

    RT-AC86U 1024MB RAM support.

    After checkout to Tag "384.19-mainline". Still failed when trying to build CFE binary For error ... make[2]: *** No rule to make target 'bcm63xx_devs.o', needed by 'cfe4908'. Stop. ... So, I modified "src-rt-5.02hnd/cfe/cfe/board/bcm63xx_ram/src/Makefile", remove the line "bcm63xx_devs.o \"...
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    RT-AC86U 1024MB RAM support.

    Very Helpful, but i still meet some error. After build success for full rom docker@6629d9866e60:/build/release/src-rt-5.02hnd/$ make rt-ac86u i tried to build cfe rom. docker@6629d9866e60:/build/release/src-rt-5.02hnd/cfe/build/broadcom/bcm63xx_rom$ export declare -x BRCM_CHIP="4908" declare...
  12. H

    How build only cfe bootloader

    I had the same problem but for RT-AC86U. There do has a manual for build full firmware of router (*.w), but the CFE source code was not even compiled. And the CFE binary was copied from a prebuilt folder "sysdeps". And i modified the CFE source code try to make some build error, but nothing...
  13. H

    RT-AC86U 1024MB RAM support.

    Hi, how do you build the CFE firmware ? i just tried to build a custom rt-ac86u fw with some debug printf in cfe code. But i found out the cfe.bin in output was simply copied from a prebuilt folder ( "targets/cfe/sysdeps/RT-AC86U" )
  14. H

    RT-AC86U mysterious contacts on PCB

    maybe you can mail to "Chris Bellows" https://www.atredis.com/blog/2021/4/23/live-nand-swap He seems find out the pinout. "After enumerating the JTAG pinout on the unpopulated header with a JTagulator, it was possible to confirm access using OpenOCD:"
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