ducon2016 Posted December 6, 2021 Posted December 6, 2021 (edited) Not real news, but discovered this yesterday so sharing in case it helps others. It is possible to patch your PC Engine Bios to auto boot / auto start CD based games without having to push the "Run Button". 1. Download the ips patches from here https://github.com/Kreeblah/PC_Engine_CD_BIOS_Autoboot_IPS 2. Download and run the Lunar IPS patcher from here http://www.romhacking.net/utilities/240/ 3. Pick the right IPS file for your bios, then pick the bios, and click the button patch Edited September 29, 2025 by ducon2016 5
beyyy18 Posted December 26, 2021 Posted December 26, 2021 (edited) Hey, thank you so much for the little tutorial Edited November 6, 2023 by beyyy18
ducon2016 Posted February 16, 2024 Author Posted February 16, 2024 I made a patch to the PCFX Bios to auto boot / auto start CDs too without waiting and without having to push the "Run Button" 1. Run Lunar IPS patcher from link posted in first post, then pcfx.ips then pick the original bios file pcfx.rom, and click the button patch pcfx.ips 2
ducon2016 Posted February 18, 2024 Author Posted February 18, 2024 Yesterday I patched the Sega CD / Mega CD bioses for all regions US / JP / EU to also do the same and automatically start without having to push the "Start Button". [BIOS] Mega-CD Model 2 (Japan) (v2.00).ips [BIOS] Mega-CD Model 2 (Europe) (v2.00).ips [BIOS] Sega CD Model 2 (USA) (v2.11).ips 5
3nigm4 Posted September 27, 2025 Posted September 27, 2025 Salut ducon2016, je me demandais si il y avait le meme genre de "passe passe" pour les bios du Sega Mega LD?
ducon2016 Posted September 28, 2025 Author Posted September 28, 2025 Faut que je regarde, j'ai jamais utilise le Mega LD. Si tu peux partager les liens sur bios/jeu et me dire quel emulateur il faut pour ca je peux regarder. En gros faut debugger le bios.
3nigm4 Posted September 28, 2025 Posted September 28, 2025 Il y a 2 heures, ducon2016 a dit : Faut que je regarde, j'ai jamais utilise le Mega LD. Si tu peux partager les liens sur bios/jeu et me dire quel emulateur il faut pour ca je peux regarder. En gros faut debugger le bios. Merci d'y prendre le temps de regarder si c'est fesable, tout est dans la rubrique "Emulateurs News" le sujet c'est "Sega Mega LaserDisc Games Playable On Ares!" Voici un lien pour les jeux (Qui pesent mini une 30aine de Go) https://1fichier.com/dir/QqQCjDuZ et le lien de la derniere version de l'emulateur (avec les bios) https://mega.nz/file/StoyACwZ#6fm8aV_4KyTwS4nsU4VvrUNqjFGplUvpL88CUQp970A
ducon2016 Posted September 29, 2025 Author Posted September 29, 2025 Ca me dit "The cartridme memory RAM is not present"
ducon2016 Posted September 29, 2025 Author Posted September 29, 2025 Here are the ips patches for Mega LD / Pioneer Laseractive Sega PAC patched Japanese and US bioses. [BIOS] LaserActive (Japan) (v1.05)-auto boot.ips [BIOS] LaserActive (USA) (v1.04)-auto boot.ips 1
ducon2016 Posted October 1, 2025 Author Posted October 1, 2025 Here are the auto start ips patches for the Laseractive NEC PAC [BIOS] LaserActive PCE-LP1 (Japan) (v1.02).ips[BIOS] LaserActive PAC-N10 (US) (v1.02).ips[BIOS] LaserActive PAC-N1 (Japan) (v1.02).ips 1
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