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Thread: List of existing Mega CD BIOS versions

  1. #1
    Death Adder's minion
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    Sega CD List of existing Mega CD BIOS versions

    Hello, I am writing a program that identifies the Sega/Mega CD bios version by computing the CRC.

    I know about these BIOS files. Is there any other existing version? (each row is a CRC32 followed by a filename)



    0507b590 GoodGen v3.21/Mega-CD Model 2 BIOS V2.00 (E) (Mar 1993) [!].bin
    0f15d7e6 NonGoodGen/megacd-2-e.bin
    14dcbba9 NonGoodGen/Mega CD BIOS (American).bin
    170ca9da GoodGen v3.21/CDX Pro BIOS V1.8I (Unl).bin
    2a4b82b5 GoodGen v3.21/Mega-CD Model 2 BIOS V2.00W (E) (Jun 1993) [b2].bin
    2b19972f segaretro/WONDERMEGA-G303.BIN
    2e49d72c GoodGen v3.21/Sega-CD Model 2 BIOS V2.11 (U) [!].bin
    2ea250c0 segaretro/Sega Mega-CD BIOS v1.00o (1991)(Sega)(JP)(en-ja).bin
    340b4be4 GoodGen v3.21/Sega-CD Model 2 BIOS V2.00 (U) [a1].bin
    39d897a9 NonGoodGen/SCD_Art_Test.bin
    39ebc967 NonGoodGen/scd_110s.bin
    433e44b5 NonGoodGen/megacd-2-u.bin
    4374808d NonGoodGen/Mega-CD Model 2 BIOS V2.00c (J) (Dec 1992) [b1].bin
    4a940d4a GoodGen v3.21/Sega-CDX BIOS V2.21 (U) [b1].bin
    4be18ff6 segaretro/jp_mcd2_920501.bin
    4d5cb8da GoodGen v3.21/Mega-CD Model 2 BIOS V2.00W (E) (Jun 1993) [!].bin
    4f639d2e NonGoodGen/megacd-1-e.bin
    529ac15a GoodGen v3.21/Mega-CD Model 1 BIOS V1.00 (E) [!].bin
    550f30bb GoodGen v3.21/Mega-CD Model 1 BIOS V1.00 (J) [!].bin
    58c35bd3 NonGoodGen/megacd-1-u.bin
    58c94b97 GoodGen v3.21/Sega-CD Model 1 BIOS V1.10 (U) [b1].bin
    62108fff GoodGen v3.21/Mega-CD Model 2 BIOS V2.00 (E) (Mar 1993) [b2].bin
    6567ef38 GoodGen v3.21/Visual Scene Sega-CD Image (J) [b1].bin
    72f0d6db NonGoodGen/cdx! (robcd) (2013.08.30 12.30).bin
    79f85384 GoodGen v3.21/Mega-CD Model 1 BIOS V1.005 (J).bin
    7f7677cc GoodGen v3.21/Sega-CD Model 2 BIOS V2.00W Emulated Hoax (Hack).bin
    8052c7a0 segaretro/MPR-15768-T.bin
    882fb4e5 NonGoodGen/sonicdreams.bin
    8af65f58 GoodGen v3.21/Sega-CD Model 2 BIOS V2.00 (U).bin
    9b1ffc6f GoodGen v3.21/Mega-CD Model 2 BIOS V2.00 (E) (Mar 1993) [b1].bin
    9bce40b2 segaretro/Sega Mega-CD BIOS v1.00g (1991)(Sega)(JP)(en-ja).bin
    9d2da8f2 GoodGen v3.21/Mega-CD Model 1 BIOS V1.01 (J) (Nov 1991).bin
    9f6f6276 GoodGen v3.21/Sega-CD Model 2 BIOS V2.00W (U).bin
    aacb851e segaretro/eu_mmg_930916.bin
    b0519ed3 GoodGen v3.21/Sega-CD Model 2 BIOS V2.11 (U) [b1].bin
    b501ded0 segaretro/WONDERMEGA-G303_BAD_DUMP.BIN
    ba7bf31d GoodGen v3.21/Mega-CD Model 2 BIOS V2.00C (J) (Dec 1992) [a1][b1].bin
    c6d10268 GoodGen v3.21/Sega-CD Model 1 BIOS V1.10 (U).bin
    ce60984e GoodGen v3.21/Sega-CD 68K BIOS (Hack).bin
    d21fe71d segaretro/jp_wmg_920206.BIN
    d344f125 GoodGen v3.21/Mega-CD Model 2 BIOS V2.00W (E) (Jun 1993) [b1].bin
    d48c44b5 GoodGen v3.21/Sega-CDX BIOS V2.21 (U) [!].bin
    d640553e GoodGen v3.21/CDX Pro BIOS V1.8I (Unl) [o1].bin
    d7423eb5 NonGoodGen/cdx! (waltjag) (2013.08.27 13.37).bin
    dd6cc972 GoodGen v3.21/Mega-CD Model 2 BIOS V2.00C (J) (Dec 1992) [a1].bin
    e7e3afe2 GoodGen v3.21/Sega-CD Model 1 BIOS V1.00 (U).bin
    e7f3a492 GoodGen v3.21/CDX Pro BIOS V1.70 (Unl) [b1].bin
    f116793c GoodGen v3.21/Mega-CD Model 2 BIOS V2.00C (J) (Dec 1992).bin
    f18dde5b GoodGen v3.21/Mega-CD Model 1 BIOS V1.00l (J).bin

  2. #2
    Master of Shinobi
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    Better question, does anyone have these paired to their respective sega rom id#s?

  3. #3
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    That is a good question indeed. I can start with the following
    epr-14088d b0ba193f
    epr-14088h e7e01a7b
    mpr-14088h-t e7e01a7b (yep, the same)

  4. #4
    Hedgehog-in-Training Hedgehog-in-Training
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    Here you go. You are welcome.

    HAA-2910 Model 1 VA0
    14088 nodump
    14088A nodump
    14088B 11/20-1991 17:00 1.00g BR 000002-1.00 9bce40b2 EPR-14088B
    14088C 12/02-1991 15:20 1.00l BR 000002-1.00 f18dde5b EPR-14088C
    14088D 12/06-1991 10:10 1.00o BR 000002-1.00 2ea250c0 EPR-14088D
    14088E 12/17-1991 12:00 1.00p BR 000002-1.00 9d2da8f2 EPR-14088E
    14088F nodump
    14088G nodump
    14088H 12/28-1991 18:30 1.00S BR 000002-1.00 79f85384 EPR-14088H
    HAA-2910 Model 1 VA1
    14088H 12/28-1991 18:30 1.00S BR 000002-1.00 79f85384 MPR-14088H-T 5M62-L604 9205EA1 JAPAN
    1.11 05/01-1992 02:30 1.11 BR 000002-1.11 4BE18FF6

    S.E Asia Pal VA?
    14563H 12/28-1991 OS2 20:30 1.00S BR 000002-1.00 550f30bb EPR-14563H

    Model 1 VA1 Export
    MK-1690
    unknown 08/04-1992 03:00 1.00 BR 000003-1.00 e7e3afe2
    15045 nodump
    15045A nodump
    15045B 10/11-1992 18:30 1.10 BR 000003-1.10 c6d10268 MPR-15045B-T 5M62-15-L636 9240EA1 JAPAN [9301EA1 JAPAN]
    MK-1690-18
    15158 10/27-1992 15:15 1.00 BR 000004-1.00 529ac15a MPR-15158?



    Model 2 (Funai)
    HAA-2912
    15398 12/22-1992 14:00 2.00c BR 000005-2.00 dd6cc972 MPR-15398-T 5M62-15-L646 9313EA1 JAPAN
    15398A? nodump
    MK-4102
    15511 03/14-1993 01:00 2.00 BR 000006-2.00 8af65f58 MPR-15511-T 5M62-15-L656 9313EA1 JAPAN
    15511A 06/01-1993 20:00 2.00W BR 000006-2.00 9f6f6276
    MK-4102-50
    15512 03/30-1993 12:00 2.00 BR 000007-2.00 0507b590 MPR-15512-T 5M62-15-L661 9317EA1 JAPAN [9322EA1 JAPAN]
    15512A 06/01-1993 20:00 2.00W BR 000007-2.00 4d5cb8da MPR-15512A-T 5M62-15-L665 9326EA1 JAPAN

    Model 2 Rev A (Sony pcb shrink)
    MK-4102A
    15764 06/21-1993 16:00 2.11X BR 000006-2.11 2e49d72c MPR-15764-T 5M62-15-L667 9435EA1 JAPAN
    MK-4102A-50
    15811 nodump MPR-15811-T
    HAA-2912A
    ????? nodump

    Aiwa Mega CD CSD-GM1 (same ROM as Model 2 Sony HAA-2912A ???)
    15768 05/28-1993 14:00 2.11c BR 000008-2.11 8052c7a0 MPR-15768-T

    Multi-Mega / CDX
    MK-4121
    16139 09/07-1993 19:00 2.21X BR 000006-2.21 d48c44b5 MPR-16139-T
    MK-4121-50
    16140 09/16-1993 14:00 2.21X BR 000007-2.21 aacb851e OPR-16140
    MK-4121-07
    nodump S.E Asia NTSC
    nodump S.E Asia PAL
    HLP-0001 Linguaphone Education Gear
    nodump

    Pioneer Mega-LD
    PAC-S1
    unknown 03/29-1993 17:00 0.98 BR 000001-0.98 00eedb3a unknown
    unknown 10/07-1993 11:00 1.05 BR 000001-1.05 474aaa44 unknown
    PAC-S10
    unknown 03/29-1993 17:00 0.98 BR 000001-0.98 3b10cf41 unknown
    unknown 09/22-1993 17:00 1.04 BR 000001-1.04 50cd3d23 unknown


    Wondermega
    HWM-5010 (Sega Model)
    G301 02/06-1992 01:30 1.00W BR 000002-1.00 d21fe71d G301

    RG-M1 (Victor Model)
    G30? nodump G302??

    Wondermega M2 / X'Eye
    RG-M2
    G303 05/27-1993 13:20 2.00 BR 000015-2.00 2b19972f G303

    RG-M10BU
    G304 12/27-1993 16:30 2.00 BR 000015-2.00 290f8e33 G304
    Last edited by deadscreem; 01-22-2020 at 05:32 PM.

  5. #5
    Hedgehog-in-Training Hedgehog-in-Training
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    Quote Originally Posted by kamillebidan View Post
    That is a good question indeed. I can start with the following
    epr-14088d b0ba193f
    epr-14088h e7e01a7b
    mpr-14088h-t e7e01a7b (yep, the same)
    those are bad dumped CRC32.

  6. #6
    Master of Shinobi
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    Now that's pretty useful. What's your source for all of those?

    You are also missing one:
    Mega CD 1 JPN BIOS, 1.00c 1991-11-14 21:00
    crc: 41af44c4
    no mpr/epr number, eprom sticker only says 1.00C.

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