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DARKSOFT New Namco System 2 Multi

mathewbeall said:
As a general rule - the donor should be 100% working before you drop a multi on. It stresses the board a little over the “stock” so you need perfectly working. Hopefully it’s just an issue that reseating a few times will resolve.
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I know but I thought hopefully it would maybe not have the problem with the multi
 
Darksoft said:
Hopefully it will be the ram if it's not that, then most probably one of the 2 SMD custom video chips has gone bad and that is bad news.
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What type of ram ? vram or sram? Where can I found it on the board (if it is sram it is written on the manual) and where can I get other one ? Can I still buy new ones ? Thanks
 
My Namco System 2 Rollup Builder utility is ready for release. Download it from:
https://drive.google.com/open?id=1fK_fUQT46LsNhMQTwBhUOw3Oo_uTQhEs&usp=drive_fs

This tool will let you create your own customized Rollup Pack for the System 2 Multi. Choose what game you want assigned for each slot on the Multi from 28 possible ROM sets. Please read the Readme file before using! :thumbsup:

Screenshot 2025-10-30 141755.jpgScreenshot 2025-10-30 141822.pngScreenshot 2025-10-30 141903.pngScreenshot 2025-10-30 141919.png
 
Hi, after an intensive cleaning of boards with chips reseating and multi reinstall. I had a better graphics but still the graphics color error still appears.
 

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Each time I am starting a game this appeared after the ram test:
33 tip
7 RAM00C80806FFFF2000
 

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This boardset kills ram. I had no problem on my donor but the multi exposed the ram was failing & a poor recap/trace damage on a cpu board.
Luckily CPU boards are cheap.

If you replace the ram, just do them all, they're socketed, I bet your problem goes away.
Tip is normal. Just add coin/start.
 
RepairGuy95 said:
This boardset kills ram. I had no problem on my donor but the multi exposed the ram was failing & a poor recap/trace damage on a cpu board.
Luckily CPU boards are cheap.

If you replace the ram, just do them all, they're socketed, I bet your problem goes away.
Tip is normal. Just add coin/start
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« A poor recap/trace damage » what do you mean ?
 
Does this [7 RAM00C80806FFFF2000 ] is the failing ram address ?
 
RepairGuy95 said:
This boardset kills ram. I had no problem on my donor but the multi exposed the ram was failing & a poor recap/trace damage on a cpu board.
Luckily CPU boards are cheap.

If you replace the ram, just do them all, they're socketed, I bet your problem goes away.
Tip is normal. Just add coin/start.
Click to expand...
You recommend to change all the following rams ?
3 types:
M5256 (hm62256 in the schematics)
MB8464
TMM2018

Sometime there are TMM2018 AP25 or TMM2018 AP45 what the difference ? A question of speed ?
 
Darksoft said:
If you have the option of changing all rams.go for it. I would go for the ones in the video board first. And yes...those 2 last numbers are the speed in ns.
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Ok I will change all the ram I can found.
 
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