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The link is the reply to the original post, not to your request.

https://web.archive.org/web/20150217035749/http://dreamjam.co.uk/emuviews/

You can't simply by-pass the TC0220IOC and route the /RESET signal to the CPU because this custom IC does more than generating the /RESET :) Anyway, I'm working from time to time to reproduce this custom IC, I had figured out some of the functions but I think a decapping is needed to reveal the...

That graphical glitch on screen transition is not a fault of the board but a common behaviour.Technically it's a timing issue due to the earlier revision (manufactured in 1989) of the custom ICs tilemap generators (052109 and 051962), the ones manufactured in 1990 do not cause this issue,

I managed to find the boot disk for Samurai Spirits (another games that requires 4MB), I attach it. Anyway, game is terribly slow, totally unplayable.386 is not enough, this needs a 486 CPU upgrade (I'm working on it)

'T518' is PST518, a voltage monitor widely used for CPU RESET generation on arcade boards. https://pdf1.alldatasheet.com/datasheet-pdf/view/87725/MITSUMI/PST518A.html

The first batch of 20 units has been sold out very quickly, thanks for your interest :thumbup: A new batch will be available for sale in a couple weeks.

Thanks for review!Just a little point out.The cards adds addtional 2MB to the exisistig 2MB of the Marty.On the bottom side of the card there are other four 512KB RAM chips (so other 2MB) but I never populated them to see if it actually adds further 2MB (so 4MB in total) .So, this card is tested...

Some months ago I finally found a Bogey Manor PCB,I was after this board since ages.For the uninitiated Bogey Manor is an obscure game released from Technos in 1985 (but actualy running on Data East hardware), you can read more about here : Bogey Manor review The board was in quite good...

Some units available again on my Tindie store.

If you are trying to run Alltynex from CD-ROM on your Marty you will fail, you cannot.If you want to play Alltynex on Marty you must launch it from hard disk, my upcoming SCSI card will allow this.

https://ompearetro.com/f/fm-towns-marty-compatibility-list-added

SSF2 runs quite well with this RAM expansion if you turn off the raster in game options.I had no success with Samurai Spirits, it seems it needs also a 486 CPU besides the additional RAM.

For all you guys interested, don't worry, the RAM expansion will be in stock again very soon, check also my Tindie store out ;)

Added more stock now, sorry but they went very fast. And yes, you need to remove the cover of the rear port by breaking the plastic tabs that sustain it so think better before buying! (you can use some tape to put the cover again in place)

Few units of the RAM expansion now on eBay, grab them before it's too late! ;) More available in next days on Tindie store, too.

Both cards will be for sale in some days, for this first batch I have available 20 boards of each.

Both cards soon available for sale. :thumbup:

This is the follow-up to my latest post about my work on reproducing a couple of rare thirdy-part add-on cards for the Fuitsu FM Towns Marty console.The first made was the 2/4MB RAM expansion : FM Towns Marty 2/4MB RAM expansion card reproduction Also the SCSI card has been now succesfully...

OK, guys, thanks for your interest.I will post update here when they will be available for sale.