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Saturn CD Block ROM dumped again.

Waterfuell - Aug 10, 2020

		elcid	Oct 11, 2025
		CDB104 is there: CDB104

		rorirub	Oct 13, 2025
		Very nice. How did you dump it?

		elcid	Oct 13, 2025
		By referring at the document below to find Saturn with CDB104 on auction sites. SEGASATURN RESEARCH Rev.02 Dump operation used magic tricks a bit like in Bagdad Cafe movie. “Bagdad Cafe” A story of the “heart” shown by a “coffee machine that needs repair” \| CINEMORE

		rorirub	Oct 15, 2025
		That's not really helpful, I know people with prototype units with early CDB code, it would be nice if those could get dumped too but I guess you don't want to share your method.

		elcid	Oct 16, 2025
		Sharing details about the know-how to dump is no but giving a hand to dump is yes. I bought one CDB104 Saturn then dumped the ROM and finally uploaded it here to preserve it so I would be happy to help regarding other ROM not already dumped. Where are the prototype Saturn located and what are their versions?

rorirub

Oct 16, 2025

	elcid said:

Last time I checked they were owned by a developer/collector. One of the chips is labeled CDB104NS, the other is not labeled because it is a socketed SH7034.

I'd also like to verify all the known dumps myself, since we only have one source for each (CDB104, CDB105, CDB106, YGR022).

elcid

Oct 17, 2025

	rorirub said:

I sent you a DM.

		Nemesis	Nov 6, 2025
		Why so secretive? I really don't get it. It's firmware for a 30 year old game console, not the nuclear codes. I'm one of the people with a Sophia running an earlier dev firmware (socketed IC, no copy protection): Saturn - Sophia Systems SegaSaturn Programming Box Taisen cable HSS-0107 system link I'm more than happy to dump it and share it publicly, along with firmware dumps from the other 8 saturns of various regions/models I have, in case there's anything new in there too. I have all the tools/skills to put something together to do the dumping on my end, but I don't have the time or inclination to figure out the method from scratch and design something new to do it, yet again, a decade after it was first done. Surely in 2025, we can have some gerbers and source up on github with a DIY dumping guide? That's what I'm waiting for.

elcid

Nov 7, 2025

	Nemesis said:

For reasons detailed in a PM I just sent to you.

		elcid	Yesterday at 11:24 PM
		SH-1 ROM dumper board is almost ready. Warm thanks to @Waterfuell..., @antime..., @rorirub... and @Nemesis... who motivated me to develop it. Please contact me in this thread or with a direct message if you are the lucky owner of a development Saturn and want to dump and publicly release its SH-1 ROM.