Sega Mega-CD BIOS (Hoshino Special)

A custom Mega CD Bios made for Sonic Team creative director Kazuyuki Hoshino

Sega Mega-CD BIOS (Hoshino Special)
Build date Apr 2, 1992 Build name Hoshino Special Dump status Released Dumped by Gageiro Released by Gageiro File dump date February 2, 2026 File release date September 19, 2026 Origin EPROM Dump method Minipro Tl866a Ownership Gageiro (2026-present) Game SEGA Mega-CD Bios (Hoshino Special) System Sega CD

Download Sega Mega-CD BIOS (Hoshino Special) (info)

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Notes

• This build has "@SEGA 1991" on top and the other V1.11 BIOS have "@SEGA 1991 Ver1.11".
• Music and background identical to the other V1.11.
• Stock BIOS features the Mega CD Logo instead of the Sonic logo.

Origin

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Mega CD Unit

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Custom Bios EPROM