Irem/Nanao custom chips reference and location - M82/M84

[Ape Cosplay]

Hi all,

Some years ago Seb from Rep'Arcade mapped the Nanao custom chips for the Irem M82 hardware:

https://www.rep-arcade.com/2021/05/saigo-no-nindou-irem-m72.html

Now I did the same for the two different romboard types used on M84:

Hope this will be useful to others in their repairs.

 

[frsj8112]

Thanks!
Great to have this documented.

I identified the M85 (Pound for Pound), i'll have a look if i still have the image left.

 

[frsj8112]