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Prototype PCB of the MVG460 arrived, but games aren't booting at the moment. I haven't had time to troubleshoot yet, so could be something simple or could be a completely bad design :P don't know yet.

beyond just limit values the amp board has the potential to change the curve characteristics https://www.ti.com/lit/ds/symlink/lmc662.pdf?ts=1752251020995&ref_url=https%253A%252F%252Fwww.ti.com%252Fproduct%252FLMC662%252Fpart-details%252FLMC662CN%252FNOPB

I actually finally got around to building my panel yesterday (after having all these parts collecting dust for ages). with an unmodified amp board and the restrictor I'm blowing out the ranges... calibration goes from 00 to FF before I even hit the limit. I'm guessing the original MonkeyBall...

no, the .jed files are unique between the two chip types. there is a PALTOGAL utility that was put out by lattice, to convert a PAL .jed to a GAL .jed though I've not ever used it. https://downloads.reactivemicro.com/Electronics/PLD/Software/ EDIT: someone has suggested to me that programmers...

Someone got a sweet deal on a donor for the Asuka Multi: https://buyee.jp/item/jdirectitems/auction/s1190829015 last one of those I saw sell went for 3x that price.

given you're at 3.1V you're probably seeing stability issues due to low voltage at the DIMM board. (I'd guess you're around 2.8 or 2.9V inside the DIMM board. sorry I don't have any 240V PSU recommendations for you, it's not something I've ever researched.

@SailorLodestar Are you open to dumping the EPROMs? It was recently discovered that the soldered ROMs are included in the Xbox 360 version of the game. So once we have the Socketed EPROMs dumped we should have a complete set!

theoretically yes, but when I looked into this I quickly decided I couldn't be bothered to work out the pinout lol

Tetris Plus 2 released on both the Mega System 32 platform AND as a stand-alone PCB.... so make sure you're using the MAME ROMs from the tp2m32 set as as nem said... typically the the number after the . in the file name describes the location of the ROM and the text before the . represents the...

seriously, any dedicated classic game complete for 300 is a STEAL these days.

no, unfortunately, it's missing some features that all of the other games use.

Cadash has 2x the RAM and 2x the CPU clock speed and also has network link function to link 2 PCBs together. unsure if the network hardware has to be present to boot. there is a version that was released without the link hardware but I don't believe it's been dumped. there are some other minor...

So far so good: View: https://www.youtube.com/watch?v=RSqHhuVpH50 So this is a multi for Taito Asuka hardware. System 16 incorrectly labels this as Bonze Adventure hardware, but Bonze adventure is actually a bit of a different architecture from the rest of the games and is not really...

that wont give you an accurate reading. the voltage will drop from the input connector to DIMM board because of all of the connectors it has to pass-through internally to get there, that's why it's recommended you adjust voltage based on the location where it's being used, not where it enters...

100% of the game data is transferred into the DIMM RAM before the game even attempts to boot. so if you don't have enough RAM then the game wont even load because it can't finish the transfer. your problem is something else. start with checking voltages, you should have a solid 3.3V on the...

It requires extra ram and a higher clock speed, both features I included. Hopefully that's all it needs.

are you talking about the Taito board? If so yes, but this multi supports 5 games and all 5 games came on this same board. part of the testing will be to see if I can get a 6th game supported that did not come on this board, but we'll see how it goes :)

very VERY close but it's not Bonze Adventure. the other board is Metro VG460 ;)

two new prototypes have arrived just in time for the long weekend to finish assembly and test :)

there is no soldering to upgrade the RAM if that's what you're asking. the U57 PLD needs to be changed (which is socketed) and everything else is just a ROM swap assuming you're using the Any U64 patched ROM set.