Sega Mega-CD BIOS (Hoshino Special)

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Title Screen
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
System Sega CD
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A custom Mega CD BIOS made for Sonic Team creative director Kazuyuki Hoshino







Notes

  • This build displays "©SEGA 1991" at the top of the screen, whereas other V1.11 BIOS versions display "©SEGA 1991 Ver1.11".
  • The music and background are identical to those of the standard V1.11 BIOS.
  • This build features a custom Sonic logo instead of the standard Mega-CD logo found in other V1.11 BIOS versions.

Videos

Origin

Mega CD Unit

Custom BIOS EPROM


Sega Mega-CD BIOS prototypes
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