Sony PlayStation Multi Output Frequency Oscillator (MOFO) is a dual clock mod that provides a switchable PAL/NTSC GPU clock, a switchable PAL/NTSC encoder subcarrier clock, and a fixed PAL60 subcarrier clock for those with single format CRT TVs.

Sony PlayStation X-Reset - The world's first quick solder reset mod. A perfect add-on for PSIO and X-Station.

A quick solder board BIOS PCB for the Sega Master System.

The Master System RGB Encoder Switcher is designed to allow a Master System to be modded for true PAL and true NTSC. It provides a way to switch the RGB Encoder, usually a CXA1145P or MB3514, between PAL and NTSC operating modes via Pin 7, and route the correct subcarrier clock to Pin 6.

Helper boards to make Sega Genesis 3 function restore mod wiring easier.

A version of Voultar's SIO-X without the modchip. It's a quick solder switchboard for the Sony PlayStation PSIO flash cartridge.

Sega Master System model 2 FM sound module adapter allows Tim Worthington’s FM Sound Module to be used with a Master System model 2. The PCB solders to the underside of the cartridge port and allows the FM Sound Module to connect as it would on a Master System model 1.

A small PCB that adds solder pads to the Nintendo 64 AV Multiout for cleaner RGB modding.

A simple breakout PCB for a 9-Pin Mini DIN. There is a jumper to link the left and right audio channels and a jumper to send the left channel or both to the mono audio output pin.

My reworked switchboards for Cybdyn Systems PSIO flashcart. One for each PlayStation console revision with pad placement conducive to clean wire runs.

My popular upgraded SD2SP2 shared for all to enjoy. Nothing special over the standard SD2SP2 other than it looks much better.