how to update sega naomi dimm firmware

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mile81
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how to update sega naomi dimm firmware

Post by mile81 »

hello

does anybody know how to update the dimmboard firmware to 3.17? my dimm has the firmware 1.02?

thanks & regards
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KmanSweden
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Re: how to update sega naomi dimm firmware

Post by KmanSweden »

Yeah, you need a gd-Rom setup and a update disc.
I haven't updated any dimm with so low fw before but it should work.
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Re: how to update sega naomi dimm firmware

Post by Yoshimura »

You can upgrade the flash rom(29f400) with a programmer, if you have the skills to desolder it though.
http://retrocu.blogspot.com.tr/2013/11/ ... e-and.html"

Regular dimm boards without the ethernet boards also can be upgraded by this method to play games on CF cards.
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Re: how to update sega naomi dimm firmware

Post by invzim »

I make and sell cool Arcade stuff, check out https://irkenlabs.com/ - In The Name of Science!
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mile81
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Re: how to update sega naomi dimm firmware

Post by mile81 »

Thank all for your help.now i have to find somebody who have the gd-rom or who have some programer Skills,since i don't have the Skills.but Many thanks anyhow.at least i know now that i don't have to buy a net dimm.

Kind regards
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kazuo
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Re: how to update sega naomi dimm firmware

Post by kazuo »

You can contact MitsurugiW to update a non-NetDIMM. Anyone with a Pi+Netboot can update a NetDIMM for you as well. I'd offer but I'm not sure it is worth the cost to ship back and forth.
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Re: how to update sega naomi dimm firmware

Post by dremcast2000 »

Hi I have an original god rom update disk gds-0023E but I don’t know how to use it . Do I need a key chip ??? Zero key it’s ok or in need any game keychip . Or maeby the update disk have his own key chip like other games .
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nem
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Re: how to update sega naomi dimm firmware

Post by nem »

What firmware are you updating from?

If you're on a super early firmware (1.XX), you actually need a bunch of disks to get to 3.17 (0023E won't be enough).

Anyway, I think the keychip from Virtua Fighter 4 Final Tuned will work with the update disk.
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