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Is that the 2011 bios?

My bad, sorry. Yeah, PGM flash is in the YAMAHA section. I have the feeling that there are GNET models that can't be updated externally for some reason

Then PGM 28F004 is for sound or is for something more between programming the bios nand?

Thanks for the tip. I'll try it I'm going to check if it is also the PGM flash, 28F004. I assume is something related to PROGRAM flash and not anything about sound PGM.

@ShootTheCore Did you archieve to repair that error?

Tri-state ones LS245, many usb flashers doesn't check them good even extracting them. I had to check with osci with the board using them

2 TTLs, that simple

@RenierD The tantalum capacitor is 22uF 16V (or more voltage, no problem). You have to set it in the polarity as my photo in the first post. The Taito "old" boards doesn't have 2 extra TTLs on the upper-left corner, near 2 PALs. Taito "new" have them. Repairing ENSONIQ sound on Taito F3 is a...

The Dead Connection conversion is full discovered and public. The problem is because of the customs in that board, there isn't any other game you can convert it.

I'm afraid Taito F2 is more complicated. There is no Taito F2 standard format, much games have different customs and requeriments. Only Taito F2 known conversions are Football Champ/Eurochamp 92 to Dead Connection, and the "theorical" Drift Out to Pu-Li-Ru-La.

In graphic terms, nothing. Only a extented TTL - PAL logic system for passing from 4-2-Sprites-2-1-Tiles distribution to 8-4-Sprites-4-2 Tiles distribution

But applying these new mask roms? That post chain is pretty old The 2 SUB-CPU eproms for fixing the masks aren't needed because they are fused. I can guarantee there aren't any glitches in my board

You mean on a red cartridge version? What happens to that game in other format?

Yeah. As I said, no Motorola 68000 mod / ENSONIQ V2 Mod / Any PAL change at all. Only burning the roms and using a Taito Cup Finals.

It does work properly. On a Taito Cup Finals board, you don't need to change any PAL by default. Only you need to apply the 2 fixed mask roms instead of the ones on the official mame dump. I have mine working perfectly fine.

The guide is done. Any change will be made if necessary. So much effort in this private investigation, xD. Enjoy!!!

MEGA LINK: https://mega.nz/folder/kBRyDbQL#RF3lZsbCY-zZ6id2P9k7vw ARKANOID RETURNS MERGED FILES CLEOPATRA FORTUNE, ENGLISH VERSION 2.1O GRID SEEKER FIXED MASK ROMS D53-12 GAL16V8, FOR ENSONIQ V2 MODE D66-09 GAL20V8, FOR MOTOROLA 68000 ON 27C2001 MODE D69-12 GAL20V8, FOR MAIN CPU ON 27C4001 MODE

CPU EPROMS SECTION ----------------------------------------------------------------------------- ORANGE IC40 ORANGE IC38 ORANGE IC36 ORANGE IC34 GAME WHITE IC24 WHITE IC26 WHITE IC37 WHITE IC35 GAL D66-12 Ring Rage 27c2001 D21-23 27c2001 D21-22 27c2001 D21-21 27c2001 D21-20 D21-24...

Now this is the real tasty improvement for making a Taito Cup Finals a full compatible board with ENSONIQ V2 games without sound bugs. This discovery could be possible thanks to studying the pinouts of a Orange + Expand, Normal White and Top Ranking Stars board (V2 factory prepared). So let's...

REQUIRED MOD FOR USING 27c2001 SOUND CPU EPROMS WITH MOTOROLA 68000: ------------------------------------------------------------------------------------------------------ Taito Super Cup Finals White + Expand / Prime Time Fighters / Top Ranking Stars: Cut JP1 trace on top side Make a new...