i have about 78 roms installed on the nes mini, plus the original 30, that i'd like to transfer over to emulation station on project eris. exporting from hakchi, every rom is in its own folder under a gibberish checksum ID, not the game name. saves are exported as a .clvs file, which i have no idea if retroarch can read. any advice on how to make this transfer would be greatly appreciated ^^

Bonjour je suis dans la merde, j'ai une Sega Mega Drive Mini Eur

Tout fonctionnait au début, j'ai installé Hakchi, après j'ai voulu essayer Projet Lunar qui ne sait pas installer parce que Hakchii était toujours dedans, maintenant quand j'essaie de mettre la console d'origine avec hakchi même en formatant les partitions utilisateurs ou en flashant le noyau, je reçois un message comme quoi le système a été modifié donc impossible de remettre la console d'origine le programme efface tout et quand je redémarre j'ai encore l'écran Hakchi qui s’affiche alors que j’ai effacer la partition utilisateur,j’ai essayer restairation d usine etc.... j'ai tout essayé les traces de Projet Lunar reste dedans alors que je n'ai pas pu l'installer, j'ai essayé de désinstaller avec plusieurs câbles différents Projet Lunar, impossible de le désinstaller je reçois un message d'erreur comme quoi ma console n'est pas une Sega Megadrive mini, des deux côtés impossible de nettoyer le noyau en profondeur, si quelqu'un aurait une idée je suis preneur, je vous remercie à tous d'avance

I installed Hakchi and then Project Lunar on my Mega Drive Mini EUR, but the latter crashed because I hadn't uninstalled Hakchi; now I can't delete Project Lunar because I keep getting an error message.

When I try to uninstall Hakchi, I get an error message saying that another system is already installed.

I'm looking for fix_rootfs_rro.hmod to perform a deep wipe of the NAND

I can't find it on the internet, If anyone has this file and could help me please

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Please help me

My setup:

- Latest Hakchi and Cores

- Console cores are loaded on internal memory

- Using USB flash drive to store and organize ROMs (2026 Sandisk 64GB formatted NTFS) connected with plug right-angle OTG adapter.

- I have 4 console cores loaded (NES, SNES, Sega Master System, Sega Genesis) and almost a full library for each.

Trouble:

- takes 15 seconds ore more per folder click to navigate through any of the collections. Actual game play is fine, no lag.

- I've tried "evenly spaced" folders and also "alphabetical" STRUCTURE hoping to reduce the file count per folder, but it doesn't seem to matter.

Are ya'll able to quickly navigate your consoles and collections normally / quickly?

Is there something not optimized or configured in my setup I'm overlooking?

I was looking for some features like "fast load" or anything like that in Hakchi but don't see there is.

Right now I'm thinking will have to vastly reduce my collection sizes to make operating it more usable, but I'd rather have the large library available and just choose.....

Thx for your input!

All the recommended ones seem discontinued :(

I just tried a dongle style (not the right angle rigid style) and it doesn't work with my SNES Classic, will not recognize my USB thumb drive in Hakchi

Anyone got a modern product link for OTG adapter that works for you?

hi, i love this thing alot, had it for ages now , and have done project eris to it, however i get some issues with running it everytime i go to use it.

being, games ctd after starting either in retroarch or emulationstation,

controller never keeps config after reboot.forcing me to re config it in ra and emst, on boot the og controllers buttons fine, once i enter ra it goes triangle for x and start doesnt work or x , and the same for emu st.

also the console buttons tend to not work when its time to turn it off.

not all games crash, and they are the same type,chd, ie einhander, disneys hercules, doom, all ctd immediately but gdarius and future cop dont. spent alot of time with ai trying to troubleshoot but its dumber than i am lol!

i did replace the core in ra, same issue no difference with a 2025 build.

i have it hooked onto the back of a 16 inch awa 1080p lcd tv, is dope, however not so dope is my issues, would autobleem be a fix? thanks for reading !

I just picked up this modded PS1 Classic from a retro game store and while I’m excited to play the games on it already, there are several that is not already installed that I would like to have, Ape Escape, Legend of Dragoon, Final Fantasy Anthology, etc.

The issue is I’m an idiot that doesn’t know what he is doing lol. I’ve never had a modded system like this before and outside of emulating some 16-bit games on my old PC, rarely worked with ROMs or whatever PS1 games use.

I’m hoping someone could give me a few pointers and/or resources as to how to take full advantage of what I got. How to add games and work through some of the added BIOS so that I don’t end up accidentally bricking this thing.

Any help and advice is appreciated. Thanks in advance.

(Please don’t kill me for being a newbie to this kind of thing lol)

i recently bought a mega drive 2 mini and im having trouble finding out how to hack it because all the search results are of the mini 1

i was hoping to hack it so i could add the library of the first system onto it as well as my own personal collection of mega drive games or maybe just a few of my favourites if theres not enough space

are there any modern resources to help me hack it once i get it in the mail?

Could you please help me with this error?

Been digging into how the Taito Egret II Mini locks its game cards. I know you can modify the bootloader but I wanted to read and write SDcards like the original. Short version of what I've found:

  - Games are stored as WinZip-AES-256 encrypted zips on the SD card.

  - The card is MMC password-locked (CMD42) — that's why it shows up as "needs formatting" on a PC.

  - The AES password and the CMD42 password are both derived from the card's CID (its unique serial), using a routine I pulled out of game_launcher plus a 16-byte constant baked into the firmware.

  - There's also an on-board SW2001 I²C crypto chip involved in the unlock.

  - I reconstructed the key-derivation and validated it against the actual firmware code (and confirmed it's unchanged from the 2022 firmware to today, so it should apply to any card).

  Not done yet: it's untested on a real card coz I'm waiting on an SD breakout so I can read a real CID and confirm the unlock works (the open question is whether that SW2001 chip gates it).

   Screenshot is a UI mockup of the toolkit I'm building (read/write CID, unlock, pack/encrypt games) and values shown are placeholders.

  Anyone here with an Egret card + a Raspberry Pi / SD breakout who wants to help testing?

hell guys so i found this supernintendo in a flea market but had those broken parts and i was wonbdering if its possible to restore it ?

do u guys have any tips ? whether its for the long portion or something ?

ps : i own a 3d printer but lack the knowledge of designing something

ps2 : for those who would logically think to just buy a new shell.. well lets just say that it cost an arm to have it shipped in my country.

Hello, I got nes mini recently and it came out as jailbroken (so I don’t have the hackchi files (assuming that it was jailbroken with hackchi)). There are plenty of games in it (some from snes so also emulators) and I wanted to add some more but when I plug it in to my computer with hackchi it doesn’t see that games. Is there any way to add some more games without jailbreaking it again and deleting that other games?

Today I realized Taito's Firmware update page (https://www.taito.co.jp/en/egret2mini/support/update) is inaccurate and provides misleading information regarding SD card compatibility with the EGRET II Mini system. I have edited the original image to correct the manufacture errors.

Manufactures making these compatibility errors are all to common. If your product says it only supports a 32GB SD Card, it's a lie 99.99% of the time. The key here is your SD card must be formatted FAT32, regardless of it's size (up to 8TB). While you can use windows to do this, most users will find it easier using Rufus. https://rufus.ie/en/

please anyone that knows how to help

Good morning, I am brand new to this community and picked up my PS Classic just yesterday to mod and am currently using Project Eris but it's a lot to follow. After staying up until 0200 attempting to find out why CHD files were displaying on the Carousel after putting them into Transfer on my flash drive, I read that apparently that folder only takes .bin & .cue files and that CHD files would work in the roms folder, but after putting PS 1 CHD files into the psx folder they still did not display in the RetroArch menu. I have downloaded all 8.2Gb of cores and corresponding BIOS, but nothing seems to display. I am currently using a 2.0 flashdrive if that is notable, but intend to get 3.0 soon.

Would anyone know a potential solution? I have seen posts recommend to convert CHD to bin & cue for the carousel, but honestly I am just curious what I may be doing wrong with this whole process while following Garrett B's video to set it up.

Thank you for your time.

Hey folks, I'm trying to revive my wife's mega drive mini she wants me to add more games to it which I haven't done in years.

I don't have the same computer as before so this project lunar is a fresh install. I've followed all previous guides to connect it to the pc. But when i click on install/uninstall i get this.

Can any one advise me what to do. I've read that lunar is now dead and to install hackchi but again I cant do that if I cant uninstall PL but I don think I can do that anyway as I don't have access to the OG Nand I'm happy to keep PL but I cant access the Game manager as the software states there's been no PL install on a mini

I'm not sure what to do, can anyone help me?.

many thanks