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User guide: BIOS files
Important: Do not manually copy a file to your BIOS folder. If files aren't automatically copying, that means you have incorrect files. Please follow the guide below.
In order to emulate some systems, BIOS files are needed due to increasing complexity of the hardware and software of modern gaming consoles. If the core you are currently trying to use needs a BIOS file, OpenEmu will alert you with a popup message. Before installing a BIOS file, make sure that its associated core plugin is installed and the MD5 hash is correct, or it will not work! Installing a BIOS is as simple as adding a game to OpenEmu, just drag-and-drop a BIOS onto your library!
You can check the hash of your file by opening Terminal.app, typing md5 /path/to/file
and pressing Enter. Instead of typing the file path in manually, you can just drag the file onto the Terminal window.
System | Core | BIOS/Firmware Info |
---|---|---|
Atari 5200 | Atari800 |
5200.rom or [BIOS] Atari 5200 (USA).a52 MD5: 281f20ea4320404ec820fb7ec0693b38 |
Atari Lynx | Mednafen |
lynxboot.img or lynxa.bin or [BIOS] Atari Lynx (USA, Europe).lnx MD5: fcd403db69f54290b51035d82f835e7b |
ColecoVision | CrabEmu |
coleco.rom or 313 10031-4005 73108a.u2 or [BIOS] ColecoVision (USA, Europe).col MD5: 2c66f5911e5b42b8ebe113403548eee7 |
Famicom Disk System | Nestopia |
disksys.rom or rp2c33a-01a.bin or [BIOS] Family Computer Disk System (Japan) (Rev 1).bin MD5: ca30b50f880eb660a320674ed365ef7a |
Intellivision | Bliss | Executive ROMexec.bin or [BIOS] Intellivision Executive ROM (World).int MD5: 62e761035cb657903761800f4437b8af Graphics ROM grom.bin or ro-3-9503-003.u21 or [BIOS] Intellivision Graphic ROM (World).int MD5: 0cd5946c6473e42e8e4c2137785e427f Intellivoice ROM ivoice.bin or sp0256-012.bin (Optional)MD5: d5530f74681ec6e0f282dab42e6b1c5f Entertainment Computer System ROM ecs.bin (Optional)MD5: 2e72a9a2b897d330a35c8b07a6146c52 |
Odyssey² / Videopac | O2EM |
o2rom.bin or o2bios.rom or [BIOS] Magnavox Odyssey2 (USA, Europe).bin MD5: 562d5ebf9e030a40d6fabfc2f33139fd |
PC-FX | Mednafen | PC-FX BIOS (v1.00 - 2 Sep 1994)pcfx.rom or pcfxbios.bin MD5: 08e36edbea28a017f79f8d4f7ff9b6d7 |
PlayStation | Mednafen | SCPH-5500 (v3.0 09/09/96 Japan)ps-30j.bin or scph5500.bin MD5: 8dd7d5296a650fac7319bce665a6a53c SCPH-5501 (v3.0 11/18/96 America) ps-30a.bin or scph5501.bin or scph7003.bin MD5: 490f666e1afb15b7362b406ed1cea246 SCPH-5502 (v3.0 01/06/97 Europe) ps-30e.bin or scph5502.bin or scph5552.bin MD5: 32736f17079d0b2b7024407c39bd3050 |
Sega CD / Mega-CD | Genesis Plus GX | Model 1 (v1.00 921027 Europe)BIOS_CD_E.bin or megacd_model1_bios_1_00_e.bin or [BIOS] Mega-CD (Europe) (v1.00).md or [BIOS] Mega-CD (Europe).md MD5: e66fa1dc5820d254611fdcdba0662372 Model 1 (v1.00p Rev E 911217 Japan) BIOS_CD_J.bin or epr-14088e.bin or [BIOS] Mega-CD (Japan) (v1.00P).md or [BIOS] Mega-CD (Japan) (Rev E).md MD5: 278a9397d192149e84e820ac621a8edd Model 1 (v1.10 Rev B 921011 USA) BIOS_CD_U.bin or mpr-15045b.bin or [BIOS] Sega CD (USA) (v1.10).md or [BIOS] Sega CD (USA) (Rev B).md MD5: 2efd74e3232ff260e371b99f84024f7f |
Sega Saturn | Mednafen | Sega Saturn BIOS (v1.01 941228 Japan)sega_101.bin MD5: 85ec9ca47d8f6807718151cbcca8b964 Sega Saturn BIOS (v1.01a 941115 NA/EU) mpr-17933.bin MD5: 3240872c70984b6cbfda1586cab68dbe |
SNES | BSNES | Only required for the games SD Gundam GX (DSP3), Hayazashi Nidan Morita Shogi (ST011), and Hayazashi Nidan Morita Shogi 2 (ST018). DSP3 coprocessor dsp3.rom MD5: 484908d68405d44e2be757b4e1e75d15 ST011 coprocessor st011.rom MD5: 5c209ce0283632b6574ad835bf862bee ST018 coprocessor st018.rom MD5: dafae0e0c71c924075811c595c61a30e |
SNES Satellaview | Snes9x | Satellaview BS-X BIOS (Japanese)BS-X.bin or BS-X - Sore wa Namae o Nusumareta Machi no Monogatari (Japan) (Rev 1).sfc (Optional)MD5: fed4d8242cfbed61343d53d48432aced Satellaview BS-X BIOS (English + No DRM patched) BS-X BIOS (English) [No DRM] [2016 v1.3].sfc (Recommended)MD5: 96cf17bf589fcbfa6f8de2dc84f19fa2 |
TurboGrafx-CD / PC Engine CD | Mednafen | Super CD-ROM System (v3.0 Japan)syscard3.pce or [BIOS] Super CD-ROM System (Japan) (v3.0).pce MD5: 38179df8f4ac870017db21ebcbf53114 Note: The Japan BIOS is required because the US version won't play some Japan region games (e.g. Mirai Shounen Conan, Sylphia). Important: Dumps of syscard3.pce containing a 512-byte copier header are considered "bad" and will not import. If you have the version with the MD5 hash ff1a674273fe3540ccef576376407d1d , run the following command in Terminal to convert it to the "good" version:dd bs=512 skip=1 if=syscard3.pce of=syscard3fix.pce
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