It's fairly long so I'm not including it here. The guide covers how to identify which board revision you have, and how to solder the chip into your board. I put together a comprehensive guide covering how to install Modbo modchips into every board revision of the PlayStation 2. One thing to note is that if you'd like to play anti modchip PS1 games (like Spryo 3) without needing to patch the backup image, you'll need a V9 to V16 model system. I have personally found that they work with V1 through V18 systems, meaning they'll work with pretty much every PS2 other than the very first few models which were sold only in Japan (these models may also be compatible, but I haven't gotten around to testing them yet). Like mentioned in the features section the Modbo 4.0 modchips are officially compatible with PS2 models from V5 through V18.

Installation only requires 18-20 wires to be soldered.

Support for multi-disc games, and DVD-9 games.

Can play PS1 CD discs, genuine games, imports, as well as backups (anti modchip games only work with V9-V16 consoles).

Can play PS2 CD and DVD discs, genuine games, imports, as well as backups.Supports booting from memory card, disc drive, and hard drive (booting from USB is not supported).Compatible with all PS2 consoles from V5 through V18.Modbo 4.0 modchips aren't the easiest chips to install (when compared to modchips for other consoles like the MM3), but have a lot of functionality built into them. I can also answer any of your questions in English. If you purchase a chip from me you don't have to wait a month for it to arrive from China. This is because I ship these chips directly from the United States using a fast shipping method. The price I charge is higher than a lot of the listings you'll find on websites like eBay. This item comes with the Modbo 4.0 modchip itself, as well as a double sided adhesive. This is a new Modbo 4.0 modchip or the PlayStation 2. The Shopify integration seems to be blocked by some ad blockers.

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Modbo 4 0 installation guide