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I would stick with an Arcade PSU rather than a PC PSU. Arcade PCBs require less rails (e.g. no 3.3V or -12V rail) and good arcade PSUs allow you to dial in the 5V rail while PC does not. Your MVS cab can easily be modified to take any arcade PSU and not look jank; you just need to know what...

I think it depends on which version you're running. The decrypted KOF2003 is under 8MB. The other game that has 9MB PROM with smaller decrypted version is Metal Slug 3.

That's how Neo Geo works with regular BIOS or even UNIBIOS. You need the hacked UNIBIOS I provide with Vortex cart installed to be able to get back to the main menu without power cycling the entire system. You get into the OSD of the game and hold the B button while resetting the game. B button...

It a hit/miss with 4 slot. Some customers had no issues with the Vortex carts, others had issues. The modified unibios should get you back to the menu to select another game. Better question is why you'd want to have a multislot with a vortex or any multicart? Even when you use original Neo Geo...

Who knew that smuggling Chinese goods into the USA in 2025 is like smuggling blue jeans into East Germany in 1980.

The Canadian underground railroad is up and running. Be careful what postal system you use. ChitChats had an entire shipment truck sent back to Canada because people were misslabeling packages and border inspection was opening the packages up and checking. ChitChats will fine you $1000 on...

That BP 3.3uF cap can not be replaced by the 2nd one - the monitor will blow it very quickly after first power on. Here's the correct replacement with explanation on what it is and why the original one is so big...

All 4 carts are now sold!!! I have 3 more donor carts on my way to me. They should be here in 3 weeks time. I need about a week to convert them from 161-in-1 to ALL-in-1. I will post here when those are available. If you want to secure one of these spots, DM or e-mail me. I don't take deposits...

Got 4 more carts ready to ship out today --- if anyone still interested in getting one.

This solution should work (I've done it before) But it's not for the faint of heart. You'll need to remove the spindle magnet from the lid of the Sega CD 2. PS1 uses 3 ball bearings to hold the CD; not the magnet friction ring from above. Your biggest challenges would be: - getting the old...

As Vortex mentioned back in 2023, he suggests that the chips run closer to 3.3V than the 3V they run now. I replaced both power circuits with my own custom design as well as replaced all the caps on the 2 PCBs and added more caps around the FPGAs and some of the flash memory to reduce ripple...

FWIW, CAVE getting special treatment is not unique. Ask any Neo Geo multi maker on adding support for NG DEV game and see what happens. It is what it is ..

Well this is a first in 2 years .. I finally caught up with my backlog! 4 more donor carts came in today, and the waitlist is clear. If you're interested in a Neo Geo all-in-1 MVS cart; now will be a good time. Shipping worldwide. DM me if interested.

I tried to backport this fix into a MAME rev I'm running from last summer when I upgraded my MAME computer from 2010 (easier to fix MAME than try to update the ROMs on my custom build) Unfortunately, my build VM is still on Windows 7 (I do most dev in Linux) The issue is that when you call...

Yeah. This is bad for our small hobby. HDRetrovision says he'll tell the supplier to dump the next order in the ocean (I hope this is a joke) and MakeMHZ (XBOX HDMI) posted that next order is on hold. This is horrible. :(

What's going to happen with the 105% tariffs? Are these things still going to ship given the trade war in the USA?

That's awesome! People have been complaining about this bug for over a decade. Glad it's resolved.

As per the repo instructions, S1:7 is set to ON (default is OFF). You see the new boot menu for a second and then the game starts.

@neku I just want to say that what you've done here is unbelievable. I've owned a KI1/2 PCB for many years and it always pissed me off that MAME has always had a bug that intro audio never loaded. The "hack" was to change the volume and the intro music started working. If I use your BIOS in...

This is a tough one. I've fixed a few hundred of these for customers. Unfortunately, I'm now starting to see burned LED bulbs on the module (resulting in a dead line that can't be fixed) The only solution I've had was buy broken VirtualBoys on eBay and use their modules .. I've now done it a few...