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I sell 2 units of Cyvern converts (japan version on blue shell) I personally made. They include an specific modified BIOS for making them work in any Supernova motherboard (mainboard region doesn't matter for making them work). They are inside ROM-BOARD that I upgraded to ROM-2-BOARD for making...

@Darksoft Hi. I have just discovered a solution for a mysterious issue with installing old multis on 93646B-3 boards. The problem is, after updating the bootloader with STM32 and flashing the new image update via SD, the code injection of the games doesn't work even using good quality cables and...

2x fully working units, without metallic case. GPU + CPU + romboard + filter board. Jamma cable not included. Would be sent with full screws and legs. 225€ each + shipping from Spain

Hi. I upload here a not accepted version of Wild Fang by MAME team. A year ago around this date, I dumped a board that came to my hands, and sent the binaries for them to be studied. These binaries were classifed as a hack, not sure why, they didn't gave me any reason. They only saw that "too...

I have had a very negative experience with the following user called "Marcio c." on wallapop: https://www.wallapop.com/user/marcioc-429118725?_pid=wi&_uid=19139557 In the past 2 years I have made various transactions with him via whatsapp/bank transfer Recently this user has scammed me with a...

Price is 10€ per sticker + shipping from Spain. Design full done in Adobe Illustrator. Plastic covered

Hi. I have made a provisional schematic of how I think P2 rom latching works on Vortex cartridges with games higher than 1MB+4MB total CPU size, targeted to PROGBK1 original boards. The idea is to add a new LS74 for latching D2 signal, which can improve P2 from 4MB to 8MB using the same logic...

Hi. I search that Taito B system board

Hi. I have tried to repair my original Fighting Layer unit. I have exchanged working mainboards (checking and transferring all the necessary roms, even reading the ones in romboard), and it seems the MACH211 KC037 KEYCUS is broken. So the only solution for repairing this unit is hacking it, but...

Hi. I have tried this little experiment for flashing this damn type of flash memory. As 26L6420 is so special, I imagined it could be burnt as 2 x 29L3211 mode, by tying A21 pin to GND and +3'3V (for accessing to low and high half), changing WE 26L6420 signal to the position of this pin in WE...

Sonic the Fighters for SEGA Model 2B system. No metallic case. Mainboard + romboard + filter board + all the legs and screws. Hand washed entirely. 270€ + shipping from Spain SOLD Sonic the Fighters for SEGA Model 2B system. No metallic case. Mainboard + romboard + filter board + all the legs...

Hi. I'm trying to make work an original Desert Tank rom board using a Daytona USA complete game. I have graphic glitches everywhere and the initial badge of the attract screen doesn't show up. I haven't found any info about if there is needed something more to be configured for making this game...

This thread is a definitive conversion guide for all the possible games you can make on Taito F3 single board "cheap" donor games: Taito Cup Finals Taito Super Cup Finals Top Ranking Stars / Prime Time Fighters First of all, I want to show you the differences in the games / boards they went...

Hi. I'm selling my Night Slashers board. One day, It didn't boot up, so I can say it worked before with no problems. I'm asking for 500€ + shipping from Spain. All the customs are in it, and it is in good general shape condition.

Hi, I have discovered powering on my 2 Nastar boards that there are revisions with wrong color resistors values. This is the correct Nastar: And this is the bad Nastar: (darker) The issue is with those 8 resistor values. They differ on each one of the boards, and they are home-soldered...

Hi. I am experiencing this error on updating to 2011 modbios. Can someone tell me where do I have to look? I have checked every chip and TTL for flying legs

Custom boxes for saving your cartridges. Printing in high quality and plastified from both sides. Material is 350gr carton box. Unit price is 12€ each. Shipping from Spain. Ask me for information (I'm still making designs for more games)

Hi. I'm going to enter in this system, and I want to know if, taking a Triforce broken system, I can use a gamecube mainboard to resurrect it. Is it really possible? And if it is, what is needed to be done and what revision I must search?

Hi. I'm trying to repair a Fighting Layer original board, and I suspect one of the main data mask roms is broken. So I want to know what is the model of the memory for reading it, and if broken, what replacement to search.

Hi. I want to know if it's possible to transform the Konami guns that are on console versions (Megadrive and SNES) to arcade pinout. I don't have any of those guns at hand, and I want to know if they work at the same standard: +5V pin, GND pin, trigger pin and sensor pin.