Atarimax Product Discussion Forums

Cartridge Firmware Release Thread
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Author:  classics [ Mon Jul 12, 2010 1:13 am ]
Post subject:  Cartridge Firmware Release Thread

This thread will contain the current releases for all of the software/hardware updates you can use with your cartridge.

I'll try to keep the attachments in this first message up to date with current stable versions, and add work in progress releases to try as follow up posts.

Any questions, comments, bug reports, etc are all welcome. I can also be contacted by e-mail at

Firmware versions are dates in YYYYMMDD format. Newer releases will always be higher numbers written this way.

Current release versions:

Removed - Please see last post in this thread for current version numbers

You can find the current versions installed on your cartridge by pressing '*' on either controller to access the settings menu.

The files you will find here are named:

Hardware Logic core_hardware.bin
Boot ROM core_boot.rom
CPU Firmware core_firmware.bin
Menu Software cvsdos.sto

Upgrade Instructions removed - Instructions now included in update package, depending on version currently installed

See the last post in this thread for update information.

Author:  classics [ Tue Nov 12, 2013 5:15 am ]
Post subject:  Re: Cartridge Firmware Release Thread

This is for the Colecovision. If you need the images for the 5200 please e-mail me at or



Author:  classics [ Wed Jun 08, 2016 12:17 am ]
Post subject:  Re: Cartridge Firmware Release Thread

The current stable firmware package will show these versions when you press '*' at the directory listing:

Hardware: 20141104
Boot Flash: 20150207
Menu: 20141102
Firmware: 20141102

If any of your firmware versions are less than shown above I recommend you upgrade if you are encountering any bugs like prolonged startup times.

The current beta firmware is:

Hardware: 20160607
Boot Flash: 20150207
Menu: 20141102
Firmware: 20160607

This includes fixes for a few hardware and firmware bugs that may not impact many people. It also includes support for 64kB "Activision" cartridges less eeprom support.

To obtain either firmware please e-mail If possible please include the list of versions currently installed in your cartridge as the oldest versions may require a different upgrade procedure.



Author:  sismaonline [ Thu Jun 15, 2017 11:43 am ]
Post subject:  Re: Cartridge Firmware Release Thread

Hello everyone!
I do not know how, but I lost all the SD card content !!! You can help me?
Thank you!

Author:  ColecoJoe [ Thu Jun 15, 2017 1:22 pm ]
Post subject:  Re: Cartridge Firmware Release Thread

classics wrote:
Firmware: 20160607

My firmware shows 20160609 ... is that okay? I'm not having any issues of course so no need to update, just wondering why my version is a little higher than what you posted.


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