Making a MX26L6420 Adapter (TOP3000) for Naomi Cart Converts

[snakeGrave]

Ic 22 is the dip? Is that documented somewhere?

 

[twon]

I believe that is documented here.

Thread 'Naomi cart repair to Ikaruga'

Sep 6, 2017

The other thread is getting long, and I'd thought I should write a quick summary of what's involved.
First off, it's very doable - BUT, you will need some gear to do it.
1 - Fancy programmer with TSOP44 adapter
27C322 eprom for IC22
MX26L6420MC-90 flash for the rest. I got mine off ali-express, I paid 30USD shipped for 20 pieces that came in tape and looked all new - but had some Sanyo stuff on them. Probably some factory-programmed left-over stock.
I had a couple of the TSOP44 adapters, one worked OK - the other one not so well. In general it seems the smaller pitched adapters have...

• invzim
• Replies: 8
• Forum: Sega Naomi, Triforce and Chihiro Forum

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[twon]

Any chance you could try burning an mx26 with a known good flash rom in your possession, using the adp-019 adapter? @snakeGrave. seems like you were right at the point of having it figured out.