Proto:Xbox One · the cutting room mirror

This page details one or more prototype versions of Xbox One.

8422Extremely Early pseudo-Windows 8 build from the October 2012 XDK

9260Earliest known build with a proper dashboard!

9396

9602Discs and search are coming soon!

v · t · e BIOS/Firmware ROMs

Nintendo
Consoles	GameCube • Wii (Prototype) • Wii U • Switch (Prototype) • Switch 2 FamicomBox • Demo Vision • NES Classic Edition • SNES Classic Edition
Handhelds	Game Boy • Game Boy Color • Game Boy Advance (Prototype) • DS (Prototypes) • DSi (Prototypes) • 3DS (Prototype) • Game & Watch: Super Mario Bros.
Official Accessories	Family BASIC (Prototype) • Famicom Disk System • Study Box • Super Disc • Workboy • Super Game Boy • BS-X • XBAND (SNES) • Game Boy Camera (Prototype, Hello Kitty Pocket Camera) • GB Memory • Wideboy64 CGB • 64DD • Mobile Trainer • e-Reader • Game Boy Player
Unofficial Accessories	Game Genie (Game Boy) • Pro Action Replay (NES) • Game Saver+ • Game Genie (SNES) • Pro Action Replay (SNES) (MK2, MK3) • Action Replay (GameCube) • GameShark (Nintendo 64) • GB Hunter • Tri-Star • Mega Memory Card (Game Boy) • CodeBreaker (Game Boy Advance) • Action Replay DS • Action Replay DSi
Arcade Systems	Triforce

Sega
Consoles	Master System (Prototypes) • Genesis • Sega CD (Prototype) • 32X • Saturn • Dreamcast (Prototype) Genesis Mini • Genesis Mini 2
Accessories	Sega Graphic Board v2.0 • Game Genie (Genesis) • Game Genie (Game Gear) • Sega Channel (US) (Prototypes) • Visual Memory Unit
Arcade Systems	Sega Titan Video • Sega Hikaru • Triforce

SNK
Consoles	Neo Geo • Neo Geo CD
Arcade Systems	Neo Geo • Hyper Neo Geo 64

Sony
Consoles	PlayStation • PlayStation 2 • PlayStation 3 (Prototypes) • PlayStation 4 (Prototypes) • PlayStation 5 (Prototypes) PlayStation Classic
Handhelds	PlayStation Portable (Prototypes) • PlayStation Vita (Prototypes)
Unofficial Accessories	Xploder CD9000 Version 4.0 • Memory Manager Plus

Microsoft
Consoles	Xbox (Prototypes) • Xbox 360 (Prototypes) • Xbox One (Prototypes) • Xbox Series X and S

Others
3DO	3DO
Atari	Atari Flashback • Atari Flashback 2 • Atari Flashback 5 • Atari Gamestation Pro
Bandai	WonderSwan Color
Bit Corporation	Gamate
Brezzasoft	Crystal System
Commodore	Amiga CD32
GamePark	GP32
International Games System	PolyGame Master
JungleTac	Vii • Zone 60 • Wireless 60
Konami	Bubble System • System 573 TurboGrafx-16 Mini
LeapFrog	Leapster • Leapster2 • Didj • LeapPad Explorer • Epic • LeapTV
Nabi	Nabi SE
Namco	NA-1 and NA-2 • Triforce
NEC/Hudson	TurboGrafx-CD • United Amusements PC Engine
Philips	CD-i
retroUSB	AVS
Sammy	Atomiswave
TimeTop	GameKing
Tsukuda Original	Othello Multivision
VTech	V.Smile • V.Smile Baby

See Also
Handheld • Mini Console • Plug & Play • Specialized Console