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Hello everyone, I recently received a classic Xbox that was modded with a 1.4GHz CPU. I'm having the classics troubles with the games running incorrectly or experiencing stability issues. Patch em it's an option, but... it's some hard work... After some research, it seems that underclocking the CPU attempt to 733MHz might solve these compatibility issues with the original games. I read that the "Xbox Overclock" tool can help with this adjustment, and I understand that I also need to patch the BIOS to make it work properly. However, I’m not familiar with this tool and don’t know how to use it safely (Im noob), plus... I'm not speak english... I’d really appreciate any guidance from anyone who has experience with this process, in depth: Recommended values: What specific settings should I use in the tool to achieve a stable underclock? What steps should I follow to safely apply the BIOS patch and ensure the console runs at the correct frequency? Any advice or detailed guidance would be an incredibly helpful guys, I appreciate your time and support in advance!

Since the ICs for the reduction circuit are getting harder and harder to find, I was thinking that any build I do will involve dual bios options for 1.4GHZ and 733MHZ. That would require that the underclocked bios be set to 66/67MHZ FSB. My question is, would slowing things down that much affect things like memory speeds or anything else affected by it to a degree that would be noticeable? Will I create a bottleneck anywhere else in the system by clocking the FSB that insanely low?