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I fixed it some months later my post, it was a bad 256ram near the socked bios. Also, some ls245 smd buffers between cart & sram

May i have a chance to have CHINA GATE here with me? I've been searching this game for a while... but i'm not in the USA...

Well, all the last 15yrs arcade hardware is based on a pc. Multi's are great for many reasons, you still keep the original harware where they were supposed to be played first. If you have the arcade cabinets, some are essentials to have (for example a Lindbergh multi if you have a shooter...

If changing the rams didn't work, than you got yourself a wonderful door-stopper. That statement meant reballing the CPU, it's BGA (ball grid array). I've tryed myself and it never worked with common tools, you got to have an expensive reballing station. When that happens i usually toss them in...

Have a read at this: https://www.arcade-projects.com/threads/repair-log-sega-naomi.456/

Awesome stuff guys. I wonder if @twistedsymphony tryed an everdrive? Mine didn't work and i don't have any else.

Thanks again @twistedsymphony & @brizzo It's working great with original carts. Unfortunatly it's a no go for Everdrives (at least my old Krikzz V2, don't know the others)

Love it :) Thank you guys, specially @twistedsymphony that exchanged this for my repro pcb gerbers. No more destroying originals carts, on both systems :D Now i'm curious to know about everdrive compatibility, will it do? 8o

It's all here btw.. https://mega.nz/folder/tNY2nCwS#637xGzNRBd787yCnwYXAGg

Super good dude, the only downside is that he have almost the same 10 items since years. I woulded buy many more from him.

I had 3 of these and none of them had the whole maskrom set working, there was even some that were all FF in the hex. try also the test, it might help

https://1fichier.com/dir/I7zKJmmD?af=116809

You need to have all the "os" files in the HDD, they are in part 5 of the Mega Link : https://mega.nz/folder/zMhRDQ5T#BwWjX4sXMjfeDe4R26_eGA The file extension (001,002,etc etc) gave me a ZIP as one file, then i extracted it and put in the HDD with the others (also 001,002 etc). I don't know if...

Awesome, thank you. Looking forward to have one then :)

I would like to buy one please, my Spikeout board is messy and no BGM at all from that board :(

https://www.neo-arcadia.com/forum/viewtopic.php?f=14&t=61702&hilit=Multiboot+crediar

Keeping this up by a funny coincidence, my HOTD4 was not posting anymore. It was almost a year turned off and i wanted to have a play with it. After a good couple of hours i had to change the PSU with a Corsair gold 700W (previously i used a chinese brand 500W that revealed to be totally crap...

I've just realized that the Audio board was not plugged in. Could it be? I still think the JVS is faulty cause my working board has a solid green, not blinking. Anyway, good luck with it, you'll probably be able to find a new one on ebay from chinese sellers

Thats weird. What is the JVS card doing, does it turns green or stay orange? If won't turn green it's probably faulty, i've heard this is a weak point. I honestly have no more tips other than try to swap a jvs

You should probably try the cmos reset. There is a pin header near the battery, put the jumper into that position (its clearly marked on the pcb) turn it on for a little bit then switch off, then switch back the jumpers to the original position, turn it on again and see if that made the job...