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No, eMMC first boot. Yes you can disable either.

How to disable eMMC and M.2 Atari VCS.pdf

Atari VCS BIOS password reset The BIOS password on the retail consoles requires flashing the BIOS back to 1.0.21 to set it to the “Celerbrate” password that it is out in the wild. The guide and recovery image can be found at the following link. For the most part the guide is not very useful other than to tell you how to create the recovery flash drive, so I would refer to for those steps. https://drive.google.com/drive/folders/1pgC39vlSaK-8am4cbGKLgQrnKILRU1iK?usp=sharing There are steps you have to do that aren't in the guide, and you will need a keyboard connected to your Atari VCS to complete these steps. If you don't have a keyboard it will only flash the Atari OS not resolve the issue. With the power off, plug in the USB drive and connect a keyboard to your Atari VCS You need to use the keyboard and select the flash BIOS option from the menu that appears on the screen when you power on your Atari VCS with the Atari OS Recovery USB drive the you created from the downloaded image (if you don't select anything then it will just flash the Atari OS). From the menu select "BIOS Upgrade & Reset Settings (VCS21)" and press the Enter key using the keyboard that you have connected to your Atari VCS. This process will downgrade the BIOS from 1.0.23 to 1.0.21 (the BIOS will automatically get updated again to 1.0.23 the next the the Atari VCS boot into the Atari OS). You shouldn't need to reimage the Atari OS, but I did that as my first step before the BIOS. If you find just flashing the BIOS doesn't work then reimage the Atari OS, power off & then on again and flash the Atari VCS BIOS before the system boots into the Atari OS. After then boot into the Atari OS and let the system update the BIOS. Be patient as this might take 15-20 minutes to complete. Once done you should be able to access the BIOS using the Atari Celebrate password. Thanks to "xyz79001" Atari_VCS_BIOS_password_reset__recommeded_settings.pdf

Atari VCS BIOS password reset The BIOS password on the retail consoles requires flashing the BIOS back to 1.0.21 to set it to the “Celerbrate” password that it is out in the wild. The guide and recovery image can be found at the following link. For the most part the guide is not very useful other than to tell you how to create the recovery flash drive, so I would refer to for those steps. https://drive.google.com/drive/folders/1pgC39vlSaK-8am4cbGKLgQrnKILRU1iK?usp=sharing There are steps you have to do that aren't in the guide, and you will need a keyboard connected to your Atari VCS to complete these steps. If you don't have a keyboard it will only flash the Atari OS not resolve the issue. With the power off, plug in the USB drive and connect a keyboard to your Atari VCS You need to use the keyboard and select the flash BIOS option from the menu that appears on the screen when you power on your Atari VCS with the Atari OS Recovery USB drive the you created from the downloaded image (if you don't select anything then it will just flash the Atari OS). From the menu select "BIOS Upgrade & Reset Settings (VCS21)" and press the Enter key using the keyboard that you have connected to your Atari VCS. This process will downgrade the BIOS from 1.0.23 to 1.0.21 (the BIOS will automatically get updated again to 1.0.23 the next the the Atari VCS boot into the Atari OS). You shouldn't need to reimage the Atari OS, but I did that as my first step before the BIOS. If you find just flashing the BIOS doesn't work then reimage the Atari OS, power off & then on again and flash the Atari VCS BIOS before the system boots into the Atari OS. After then boot into the Atari OS and let the system update the BIOS. Be patient as this might take 15-20 minutes to complete. Once done you should be able to access the BIOS using the Atari Celebrate password. Thanks to "xyz79001" Atari_VCS_BIOS_password_reset__recommeded_settings.pdf

You can DL VCS Themes, with link to video for the first method. https://tinyurl.com/diskrefindvcs No, you do DISABLE Secure boot. Do not try to perform these operations on your VCS without having disable the option « Enforce secure boot » into BIOS. You could irreversibly damage your VCS.

rEFInd_Atari_VCS.pdf

New version with better translate. DosBox_Atari_VCS.pdf

New version, with better Translate. ? Stella Atari VCS.pdf

How access Stella emulator and add games. ? Stella Atari VCS.pdf

To Access stella, you have to modify the bundle.ini and stella-launcher in the folder and create a folder with roms. Stella accept all formats types. .a26 .zip .bin

Hi, We can launch stella emulator and add games.? classic controler ok VID_20220325_141706(0).mp4

you want know how access DosBox and add games ? https://drive.google.com/file/d/1mfsNaV6KRChNljTc3RB3FpRtVPhtXe5M/view?usp=drivesdk We can do a DosBox menu and launch games or app

the emulator is Mame. and a line of code allows you to directly launch the 7800 emulator. when we delete the line we have access to Mame's dashboard. yes read a78 files. You can add emulators bios and games.

It's ok for bios access. Search the forum

Yes, for emulated atari 7800 it use Mame emulator. Yes you can add emulators bios. no for the moment no external support because not possible to modify the system part and write on it. when i change system partition the vcs does not start correctly. I need to do more research