Sony PlayStation SIO-X PSIO Switchboard Mod Kit


Mod Kit Includes:

  • 1 x PSIO SIO-X Switchboard


  • Highest quality, high tolerance components
  • Quick Solder Board for neater install
  • Combined modchip
SKU: KIT-PS1-SIO-X Categories: , ,


SIO-X is an elegant PSIO switchboard designed by Voultar to make switchboard installs simpler and neater. It comes with the addition of an onboard modchip, Quick Solder Board design, and a number of other improvements over the standard PSIO switchboard.


Chip Code

The following is recommended based on console revision.

  • Stealth 2.8a for SCPH-100X
  • Mayumi v4 for SCPH-550X, SCPH-555X, SCPH-700X, SCPH-750X

Console Region

Select the region of console you intend to install the mod into.

Product Instructions

Install Guides


Additional information

Weight 0.003 g
Product Type

Mod Kit

Console Make


Console Model


Chip Code

Mayumi v4, MM3, Stealth v2.8a

Console Region

Europe / PAL, North America / NTSC, Japan / NTSC

Mod Attribute

Mayumi v4, MultiMode 3 / MM3, PSIO, Quick Solder Board, Region Free, Stealth 2.8a, Switchboard

Designed by


Product Credits

Design & Build

  • Hand-made by Consoles Unleashed
  • SIO-X PCB design by Voultar
  • Schematic by Cybdyn Systems with additions by Voultar for SIO-X


SIO-X Switchboard OSH Park page –

Voultar’s OSH Park profile page –

Voultar’s official site –

Voultar’s Twitter –


SIO-X © by <Voultar LLC>

SIO-X is licensed under a Creative Commons Attribution 3.0 Unported License.


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