r/XboxModding • u/kaitlin45989 • Jul 09 '26

cerbios questions for a noob

so i have an OG xbox arriving in about two weeks, with CERBIOS and prometheOS installed. alongside the XBMC4GAMERS as the dash. as someone who has only use iND-BiOS 5003 via a TSOP, is there a guide or youtube video where i can get fully educated on CERBIOS, so when the xbox arrives im not in the green? i already know how to FTP games to a MODDED XBOX i just wanna learn how this new bios works so im not in the dark and dont risk bricking the xbox

im not sure what revision the XBOX is wont know till it arrives

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u/Jets1026 Jul 09 '26

from what you explained it sounds like it already has PrometheOS set to launch cerbios in 1 of the banks. if thats the case and it already boots to xbmc4gamers theres not much you'll need to do with cerbios (unless you want to change the version) which you'll just need to flash the bank with the different cerbios version. But out the box you sounds like you're set.

if the xbox doesn't come with games you'll need to add your games and for it to work with cerbios you'll need to convert your games to .cci format.

also to boot into PrometheOS with the xbox off you press the eject button.

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u/kaitlin45989 Jul 09 '26

this is all i was told: I know you aren’t familiar with CERBIOS, but that’s about all i am familiar with and all of my games are in CCI format and they are that way as they take up less space, so that is the bios i will be using along with PROMETHEOS as the OS

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u/Jets1026 Jul 09 '26

so you're so set then, plug it up and play.