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Saturn PP1-007

dj898 - Apr 16, 2020

		dj898	Apr 16, 2020
		message ...

		vbt	May 6, 2020
		what's that eeprom ?

		Benjamin Siskoo	May 8, 2020
		If you search this on google you have 2 answers : nec d27c4000d-15 saturn The NEC PC-98 CD-ROM software list has been updated with the latest ... them) have the BIOS written to a single UV-EPROM (Chip name: NEC D27C4000D-15). ... Playstation Playstation 2 Playstation 3 Playstation 4 PSN PSP PSVita Saturn. "PC-98" is named after the NEC PC-9801 computers on which they ran on. ... have the BIOS written to a single UV-EPROM (Chip name: NEC D27C4000D-15). ... 4 PlayStation Portable PlayStation Vita Saturn Sega 32X Sega CD Sega Pico ... Links are broken

		Benjamin Siskoo	May 8, 2020
		You have this too NEC D27C4000D15 4 Meg Vintage EPROM | eBay

		rorirub	May 12, 2020
		vbt said: It's the 1.00 Japanese final boot rom, the checksum matches (C1E4).

		Dr.Wily	Sep 19, 2025
		Hello @dj898... Can you take a closer shot of the SCU chip please ?

		dj898	Sep 26, 2025

		dj898	Sep 26, 2025

		dj898	Sep 26, 2025

		Dr.Wily	Sep 26, 2025
		Thanks @dj898... ! But on the first photo (on your first post) there is a grey Yamaha chip (IC5). This is the chip (the Yamha one) that interests me.

		elcid	Oct 11, 2025
		Is it CDB104 label on the SH-1 daughterboard? I dumped the CDB104 ROM from my Saturn and would like to share the file here if that's possible. edit : found resources section. here is the file : CDB104... $ md5sum cdb104.bin deac6b0785647f53aa09f1e2e07a450a *cdb104.bin