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This modder combined several PlayStation models to create the ultimate PS1 on custom PCB
Hardware Retro

This modder combined several PlayStation models to create the ultimate PS1 on custom PCB

RetroVault Team 02 Apr 2026 112 views 0 comments
Choosing the "best" PS1 model is a never-ending debate in the community. Secret Hobbyist decided differently: it created a custom PCB that combines the best features of several revisions of the original PlayStation. The ultimate PS1 finally exists.

What is the best original PlayStation? The SCPH-1002 for its sound, the SCPH-5502 for its stability, the SCPH-7002 for its sound card... The question has been debated for decades. The modder Secret Hobbyist decided to no longer choose, he created his own.

🔧 The project: a custom-made PS1

Secret Hobbyist a co designed a fully custom PCB (printed circuit) that allows him to combine the components of the different revisions of the original PlayStation. The goal: extract the best from each generation of PS1 hardware into a single cohesive machine.

This is the kind of project that requires a deep knowledge of Sony hardware from the 90s, electronic diagrams, behavior of the different GPU and SPU chips according to the revs isions, component compatibility... and above average soldering dexterity.

🎮 Why do PS1 revisions differ es?

Sony released numerous revisions of the PlayStation between 1994 and 2000 (SCPH-1000 to SCPH-9002 depending on the region). Each revision brought changes: improved video chip, revised audio circuit, different CD-ROM module, removal or addition of the parallel port (mod chip), revised consumption... There is no there is no “perfect” model, everyone has their strengths and limitations.

💡 What it represents for the scene

This type of custom PCB project is a new frontier for retro modding. Where classic mods modify existing hardware, Secret Hobbyist starts from scratch to recreate the best hardware possible. This is hardware preservation taken to its extreme.

For those who want to follow this project, details are available on the Secret Hobbyist networks and covered by Time Extension.

Source: Time Extension

Image credit: “Scph 1001 mother board” by Ya boi TJ Fox, licensed under CC BY-SA 4.0, via Wikimedia Commons (resized).

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