V4 Modbo modchip installation diagram

One of the revisions of the fat PlayStation 2 was the V4. They were found in many of the earliest SCPH-3000x systems, as well as the SCPH-3500x systems. Matching console model numbers and board numbers are listed below.

You can find the model number on the sticker on the bottom of the console, and the board number is printed on the PS2 main board if you take apart your console. Note that there can be multiple board numbers within a specific model number.

  • NTSC-J (Japan):
    • SCPH-30000 (GH-010)
    • SCPH-35000 (GH-010)
  • NTSC-U/C (United States)
    • SCPH-30001 (GH-010)
    • SCPH-35001 (GH-010)
  • PAL
    • SCPH-30002 (GH-010)
    • SCPH-30003 (GH-010)
    • SCPH-30004 (GH-010)
    • SCPH-35002 (GH-010)
    • SCPH-35003 (GH-010)
    • SCPH-35004 (GH-010)
    • SCPH-35005 (GH-010)

Note that there are multiple versions of the Modbo modchips available, but the installation diagrams are all the same. Some example versions are Modbo 3.0, Modbo 4.0, Modbo 5.0, and Modbo 750.

For more information about Modbo modchips click here, for more information about PS2 modchips in general click here.

V4 Modbo installation diagram

Modbo modchip pinout

Some V4 consoles have a gap in the middle of the pins of the BIOS chip (near pins Q, T, U, V, R, O, P, N, and M). For those systems use this diagram:

V4 Modbo installation diagram (gap)

Some V4 consoles don’t have a gap in the middle of the pins of the BIOS chip (near pins Q, T, U, V, R, P, O, N, and M).¬†For those systems use this diagram:

V4 Modbo installation diagram (no gap)

Installation tips

Here are some tips I have for you when you are soldering your chip into a V4.

  • Using 30 AWG solid core wire works well for most of the points.
  • Use some thicker wire for the 5V and ground wires.

Diagram success rate

Here’s a list of people who have successfully modded their console with this diagram. Leave a comment and I’ll add you to the list.

  1. William Quade (me)

Example installations

This section has photos of some successful installations which you can use to get a better understanding of how everything is wired and positioned. Leave a comment and I’ll add your installation to the list

  1. William Quade (me)

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