yair3000 Posted October 29, 2024 Report Share Posted October 29, 2024 (edited) 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! Edited October 29, 2024 by yair3000 Quote Link to comment Share on other sites More sharing options...
SS_Dave Posted November 10, 2024 Report Share Posted November 10, 2024 Who did the upgrade as the N64 freak 1.4ghz version of this mod has a switch that will reduce the clock speed by 50% Cheers SS Dave Soft modding is like masturbating, It gets the job done but it's nothing like the real thing. Quote Link to comment Share on other sites More sharing options...
GoTeamScotch Posted November 11, 2024 Report Share Posted November 11, 2024 N64 Freak's speed switch basically doesn't do anything. I know what it's supposed to do, but it doesn't do what it aims to. I asked N64 and he basically said the same thing. The switch on mine sure doesn't help. Unless there's been some news recently, the last time I looked into this topic, the result was that underclocking the CPU to get it close to stock (733) wasn't feasible because of issues that is causes with the southbridge or FSB (I forget what exactly). I'd love to be proven wrong though. Project Stellar is currently the only solution besides patching games individually for 1.4ghz Xboxes. (this is not a recommendation to get a Stellar) Quote Link to comment Share on other sites More sharing options...
PRince404 Posted November 11, 2024 Report Share Posted November 11, 2024 Lantus (MVG) showed in one of his OG Xbox(s) videos that he had a CPU upgraded XBox that also had a switch to toggle the CPU speed between the two. It sure was from back then, not n64 freak's. But iirc correctly he did show us in the video that his switch worked. 1 Quote Link to comment Share on other sites More sharing options...
Bowlsnapper Posted November 11, 2024 Report Share Posted November 11, 2024 6 hours ago, PRince404 said: Lantus (MVG) showed in one of his OG Xbox(s) videos that he had a CPU upgraded XBox that also had a switch to toggle the CPU speed between the two. It sure was from back then, not n64 freak's. But iirc correctly he did show us in the video that his switch worked. I think it works for some things, but not others. Game engines seem unaffected by it, largely, while homebrew seems to respond to it. Didn't MVG do it while running an arcade emulator? Quote Link to comment Share on other sites More sharing options...
SS_Dave Posted November 11, 2024 Report Share Posted November 11, 2024 From memory when I did some limited tests on my N64 version I didn't notice any real difference, also the speed test reported the same CPU speed. From what I have read in the past your better of having the 1.4Ghz Xbox for running emulators and have a stock CPU box for games. Cheers SS Dave Soft modding is like masturbating, It gets the job done but it's nothing like the real thing. 3 Quote Link to comment Share on other sites More sharing options...
yair3000 Posted November 18, 2024 Author Report Share Posted November 18, 2024 (edited) Thank you all for your comments! If this is helpful, I’m sharing an "outdated Cerbios" modified to run at 733MHz (or close to it). Please don't ask how it was created, as the original creator has disappeared, and the person who shared it with me only had the file. This bios it's "stable" somethings run at normal speed but with drops, or maybe "jumps" in fps. (cerbios.ini could be incompatible). If anyone with the right expertise could investigate depth on the file, and share any find it would be greatly appreciated. Cheers! cerbios_733.bin Edited November 18, 2024 by yair3000 Attach the attach file 1 Quote Link to comment Share on other sites More sharing options...
Jay Yardley Posted November 18, 2024 Report Share Posted November 18, 2024 On 10/30/2024 at 8:44 AM, yair3000 said: Any advice or detailed guidance would be an incredibly helpful guys, I appreciate your time and support in advance! I made this patcher that you can use on individual .xbe files to patch for your CPU frequency, though this is not an elegant solution, one by one will be quite time consuming and there's no guarantee it will work every time. https://www.jayxbox.com/retail-game-modification/jays-xbe-cpu-patcher Quote Link to comment Share on other sites More sharing options...
yair3000 Posted November 18, 2024 Author Report Share Posted November 18, 2024 (edited) 1 hour ago, Jay Yardley said: I made this patcher that you can use on individual .xbe files to patch for your CPU frequency, though this is not an elegant solution, one by one will be quite time consuming and there's no guarantee it will work every time. https://www.jayxbox.com/retail-game-modification/jays-xbe-cpu-patcher Yes dude, I tested it, I made a response about it on the "Hex Edited XBEs" topic hehehe, I didn't quote you but my reply was for you sorry! Edited November 18, 2024 by yair3000 1 Quote Link to comment Share on other sites More sharing options...
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