TMS RGB V2 board – Installation service

Available now (handled by our partners BetaGamma Computing in Greece). Please allow for shipping and processing delays due to bad weather in Corfu. UK customers MUST e-mail us first about ANY upgrade/repair work (except NI).

The TMS RGB V2 board is a new state of the art SMD designed add-on board for computers and games consoles based around the TMS9928A (NTSC) and TMS9929A (PAL) video graphics processing chip. This includes many popular machines from the 1980s such as the Colecovision Console, the MSX computer, Memotech MTX Series, Texas Ti99/4a, Sega SG-1000 console and SC-3000 computer. Basically, any system that uses the TMS video display processor is compatible with this mod.

Order this service and ship us your compatible classic computer or console and we will supply and professionally fit the TMS-RGB board for you. Your classic hardware will also be cleaned and checked for common faults such as bad capacitors. If you’re not sure if your system is compatible, please contact us first.

The mod is fully compatible with RetroTINK, OSSC, GB8200 and Framemeister, as well as classic CRT televisions and 15khz monitors, LCD or CRT. The board does NOT digitise, scale or otherwise alter the native TMS output, so a line doubler or scaler is required on non 15khz compatible displays (and strongly recommended on any flat panel/fixed resolution display).

This V2 board solves all the problems inherent in earlier RGB mods for the TMS VDP and consoles, such as incorrect black level, over-saturated blues and weak reds. The board also has a very small footprint so that it is easily fitted to the solder side underneath the TMS chip. It is very unobtrusive and no extra clearance is required. No permanent modification is required to the systems main-board and the mod is totally reversible.

Dazzling new video quality for your classic hardware

We have installed this add-on board into both PAL and NTSC Colecovision consoles as well as Ti99/4a, Memotech MTX512 and various MSX systems with fantastic results in each case. The output is the cleanest and most correct yet produced by a TMS VDP, far superior to the usual Composite or RF outputs offered by these systems. If you want the best video quality achievable from your 100% original hardware, this is the board you need.

Perfect for Colecovision

The TMS-RGB is a significant improvement over the previous RGB mods for Colecovision. Fans of this classic console are advised to upgrade to the TMS-RGB today, even if you already fitted an RGB mod in the past.

Installation notes

Unless instructed otherwise, we will fit a 9 Pin Mini-DIN on TI99/4A and MSX systems. This will be wired to be compatible with standard Sega Megadrive 2/Genesis 2 RGB SCART cables. If you prefer a 8 Pin Mini-DIN, wired to match this specification cable, please let us know.

For Colecovision and Memotech systems, an 8 pin DIN socket will be installed instead. This will be wired for cables typically used on RGB modded PC Engine consoles.

All installations will be done with minimal case cutting though on some systems this is unavoidable.

If you have a RGB cable you plan to use with your system, we recommend including it with your hardware. That way, we can test that it is compatible and configure your mod accordingly. If you’re unsure which cable you need, please contact us.

If you would rather DIY fit your TMS-RGB board, click here.

TMS RGB is an open source project. Permission has been granted by the creator, Nicholas Piegdon, for VideoGamePerfection.com to re-sell the TMS RGB and for VideoGamePerfection.com/BetaGamma Computing to offer installation services.