Any way to disable the game card slot ?

Discussion in '3DS - Flashcards & Custom Firmwares' started by Chris77, Aug 9, 2016.

  1. Chris77

    Chris77 Newbie

    Mar 14, 2009
    United States

    So this is my situation : I use a New 3DS XL with a Custom Firmware (Luma3DS) and a DS Two to play with my DS / GBA / SNES Games.

    But I noticed that when I'm playing a dematerialized 3DS game (and so don’t use the DS Two), the DS Two still consuming a lot of power.

    Of course I could eject the DS Two when I don’t use it, but it’s not a « elegant » way.

    Hence my question : is there any software way to disable the game card slot, via the CFW for example ?

    Thank you.
  2. fikatr

    fikatr GBAtemp Advanced Fan

    Mar 29, 2016
    next to smea
    im sure there is now way doing that there is no reason to use dstwo sell it and buy a r4 for 5 buck

    you can play all gba games on your 3ds with vc

    you can play snes games on your n3ds with vc
  3. YourHero

    YourHero GBAtemp Maniac

    Apr 22, 2010
    United States
    Eject is probably your best option.
  4. James310

    James310 GBAtemp Advanced Fan

    Oct 4, 2015
    United States
    Somewhere in California
    Use CIA"s, it's the more "elegant" way
    GalladeGuy and gkoelho like this.
  5. kamesenin888

    kamesenin888 GBAtemp Advanced Fan

    Oct 20, 2007
    dude just eject the card, its far easier for what you want to do
    Roomsaver likes this.
  6. Chris77

    Chris77 Newbie

    Mar 14, 2009
    United States
    Thanks all for your reply, your advices really help me.
  7. MichiS97

    MichiS97 "Leftist snowflake milennial"

    GBAtemp Patron
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    Jun 14, 2011
    Have you actually measured if the battery really drains faster with the cartridge inserted (and not in use)? I've never noticed that with mine.
    Last edited by MichiS97, Aug 9, 2016
  8. GothicIII

    GothicIII GBAtemp Advanced Fan

    Jan 4, 2015
    Gambia, The
    Yes it's true. The DSTWO consumes power from the 3DS even when not in use. It decreases the battery time for about 15-30 minutes while the device is in use. You can even feel that the DSTwo is always warm inside the 3ds after a small amount of time has passed.

    Technically speaking the dstwo has a cpu builtin to have a better speed for emulators. While normal games just have a EEPROM to be powered the DSTwo has in addition the CPU which constantly drains battery from the 3.3V lane. No way to power it off except eject the card. The 3DS has no ability to shut off the 3.3V Power lane of the game card slot.
    Last edited by GothicIII, Aug 9, 2016
  9. apoptygma

    apoptygma GBAtemp Advanced Fan

    Mar 30, 2010
    Even if you could disable the I/O process I doubt there would be a software register that would disable the voltage output on the slot. I know where you're coming from, I had similar issues when using a GW card to boot into emuNAND and then having to remove it to conserve battery but I just don't see it being possible.
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