Help with pinouts for NAND flash

Discussion in '3DS - Flashcards & Custom Firmwares' started by gimpydingo, Sep 4, 2014.

  1. gimpydingo
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    gimpydingo Member

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    I've accidentally updated my sysnand to 8.x.x when trying to update my emunand. I got the blue screen to come up. Windows won't recognize the drive. I have tried both of these for the sd card adapter soldering points (I'm using CLK on the back of the board, it is still connected/soldered):

    http://www.virtualdrive.cc/3DS_NAND_pinout.jpg

    http://gbatemp.net/threads/nand-flash-dump-3ds.353263/ I assume something isn't soldered up correctly. An suggestions?

    ERROR: BOOTROM: 8046
    ERRCODE:00F8003F
    FFFFFFFF FFFFFFFF
    00000003 00000000
     


  2. cracker

    cracker Nyah!

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    Do you have a continuity tester (or multimeter that has one included) to test points with? Also it might help to post pics of both ends of the solder job.
     
  3. mvmiranda

    mvmiranda GBAtemp Maniac

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    Hello!

    So, since you said you're using CLK from the "back" of the board, I'm assuming you have a XL version...

    Post a picture of your installation (3DS board and the SD) , this way it'll be easier for us to figure out what you're doing wrong.

    Cheers!
     
  4. gimpydingo
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    gimpydingo Member

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    I have a regular 3DS, not and XL - I thought the alt point C106 was for the regular model? I'll get some pics in a moment.
     
  5. cracker

    cracker Nyah!

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    CLK is under the game slot on the original. He is referring to the alternate point for it on the other side.
     
  6. mvmiranda

    mvmiranda GBAtemp Maniac

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    You are right! I misread it :) Thanks!

    @OP: please, still provide us an image of your installation.
     
  7. Abcdfv

    Abcdfv What comes around goes around.

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    Does it not detect anything, or does it beg to format?

    Should be able to use Win32DiskImager to write the Nand out.
     
  8. gimpydingo
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    gimpydingo Member

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    Does nothing. I can boot into the regular sys menu when the SD is not plugged into the card reader, when plugged into a card reader I get the blue screen - then attach to my pc and nothing happens, no ask to format, no drive letter, checked the drive manager and still nothing.

    Sorry about the pic quality, can't find my camera. The point on the back is soldered to the point C106, not the one to the side of it nearer the larger pad (if that makes sense). 2014-09-04_10-19-14_600.jpg 2014-09-04_10-22-13_916.jpg 2014-09-04_10-20-35_457.jpg And no wires are touching.
     
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  9. mvmiranda

    mvmiranda GBAtemp Maniac

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    I can't see anything, but, are you sure you soldered all the pins to the correct place?
    It's very easy to confuse the pins in the SD side. You could have everything soldered correctly at the 3DS mainboard but swapped something in the SD. Double check your wiring.
    Also, how long is your wires? It tends to give us odd behaviors when the wires are longer than 15cm.

    I always go for the lowest I can have when doing my flashcarts unbricks or whenever I need to do this MOD.

    Good luck!
     
  10. gimpydingo
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    gimpydingo Member

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    Pics are crap I know. I added some red circles to show where I have it soldered and which points. The pic of the back shows the c106 that i have soldered, near 114 and 113. I'll try and get some better pics. The wires I have are fairly short. Only 3 - 4 inches long, so about 10 cm max.




    3DS Board Bottom.jpg 3DS Board Top.jpg
     
  11. gamesquest1

    gamesquest1 Nabnut

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    try another SD reader....some simply will not work for it
     
  12. mvmiranda

    mvmiranda GBAtemp Maniac

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    Ok!
    And what about the other end? I mean, the SD? Are you sure everything is soldered at the proper place?

    One time I was doing this I faced a similar situation and spent 1 entire day checking my motherboard soldering and the culprit was the SD.
    When I do this mod I always give a "short" cable, prepared with a mini-USB connector and a microSD to SD adapter. Something like this:
    https://www.dropbox.com/s/7t6wq0s2rh56lcc/2013-10-30 09.02.34.jpg?dl=0

    I figured out 1 day later I had "swapped" a wiring inside the microSD to SD adapter. I had to crack it open and have a "recheck". So, bottom line is, always check your wiring before testing.

    Also, how are you "connecting" the 3DS to the computer? I have seem some issues with some SD readers. Specially the ones "bundled" with notebooks.

    PS: semi :ninja:'d by gamesquest1 in my last phrase :lol:
     
  13. gamesquest1

    gamesquest1 Nabnut

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    oh one more thing.....does the console boot up normal if the SD adapter is not plugged into the reader?
     
  14. mvmiranda

    mvmiranda GBAtemp Maniac

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    Hey mate, he said it does... So it's definitely something in the connection. Either bad wiring or SD reader.
     
  15. gamesquest1

    gamesquest1 Nabnut

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    yeah most likely a bad/incorrect solder point on either the motherboard or adapter, or a incompatible reader......try a few different readers if your sure the soldering is good
     
  16. gimpydingo
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    gimpydingo Member

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  17. hundshamer

    hundshamer GBAtemp Advanced Maniac

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    Take a look at the SD part of this pic:
    [​IMG]
     
  18. gimpydingo
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    gimpydingo Member

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    Exactly how I have it on my SD.
    7 - Dat0
    6 - GRD
    5 - CLK
    3 - CMD

    I'll try and resolder the CLK, the others have larger pads which were easy to solder on. I'll also try a different SD adapter and see. Thanks for all the help and suggestions.
     
  19. hundshamer

    hundshamer GBAtemp Advanced Maniac

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    USE FLUX!!! I cannot understate the importance of it. It will allow the solder to bond much faster/easier.
     
  20. Reecey

    Reecey Mario 64 (favorite game of all time)

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    At Home :)
    Oh my god.. I really hope I never update my 3DS accidentally, those picis look well dodgy :blink: Looking at those I don't think I would bother thanks :) but shit man you have some guts and I thought the 360 was going something!
     
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