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  1. #1
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    Exclamation strange and mysterious motherboard

    Just from curiosity

    I saw two variants of A500: One with C= Logo near the "status lights"
    and one with Commodore A500 near the "status lights"

    When i whas replacing the FD Drive (by Chinon!), I found on board text like this:
    B52 / ROCK LOBSTER
    CPR/JSP/CUAY/FISH
    RVW/VFA/DCA
    GET/LLK/ITCH/BCN
    C= A500 REV 6A
    And found strange thing: The power light is green instead of red and vice versa

    My back sticker on case is:
    C= Commodore
    MODEL A500
    POWER 5V DC 4.5A 12V DC 1A -12V DC .1A
    SERIAL NO. 1182420
    MADE IN W. GERMANY
    Funkentstört n. DBP-Vfg. 1046/84
    ATTEMPTED REPAIR BY
    UNAUTHORIZED PERSONS
    VOIDS WARRANTY
    My keyboard layout is German/Deutsch

    someone knows what do that strange shortcuts mean ?
    Before: Texas instruments TI-30S - Didaktik GAMA| Amiga A500; A600; A1200 |After: PC - GP2X - Laptop

  2. #2
    I am Legion for we are many. Staff Member
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    Does it look like this?


    Here's a better image

    Last edited by Buleste; 13th March 2010 at 16:28.
    A1200 Power Tower
    OS 3.9 / CGX4 / OS4.0
    Blizzard 210Mhz (overclocked to 266Mhz) 603e PPC with 25Mhz 040 (Overclocked to 33Mhz) 256Mb RAM
    ZIV
    CV64/3D
    3.2Gb HDD + 20GB HDD

  3. #3
    Harmless Inactive Member
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    exactly is it that second. I have on all custom chips C= CSG
    Before: Texas instruments TI-30S - Didaktik GAMA| Amiga A500; A600; A1200 |After: PC - GP2X - Laptop

  4. #4
    Adventurer Speed Biker Champion, Tadpole Champion, Pearl Hunt Champion, Spacerunner 2 Champion, Marble Mayhem Champion, Galaxians Champion, Starfrosch Champion, K Tire Racing Champion, Way of the stick Champion Phantom's Avatar
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    CSG is Commodore Semiconductor Group, known before as MOS Technology.
    [b]To Be A True Adventurer, You Ought To Play Real Text Adventures[/b]

  5. #5
    Harmless Inactive Member
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    this is CPU


    This one is Paula (?)
    Before: Texas instruments TI-30S - Didaktik GAMA| Amiga A500; A600; A1200 |After: PC - GP2X - Laptop

  6. #6
    Wiseguy Staff Moderator
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    Quote Originally Posted by rbusa
    And found strange thing: The power light is green instead of red and vice versa
    I'm pretty sure my first A500 had a green power light and yellow disk activity light. That one was bought new in '92 (in Norway) so was a newer model. I don't have it anymore so can't check anything else for you though.

  7. #7
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    I'm pretty sure my first A500 had a green power light and yellow disk activity light. That one was bought new in '92 (in Norway) so was a newer model. I don't have it anymore so can't check anything else for you though.
    Yes. My miggy whas bought in Chritmas '92 it would be never model
    or maby it's by layout. All countries, which have letters like Ä, Ö, Ü have the same original layout. My is QWERTZ
    Before: Texas instruments TI-30S - Didaktik GAMA| Amiga A500; A600; A1200 |After: PC - GP2X - Laptop

  8. #8
    I am Legion for we are many. Staff Member
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    If you want to know which custom chips are which have a look here.
    A1200 Power Tower
    OS 3.9 / CGX4 / OS4.0
    Blizzard 210Mhz (overclocked to 266Mhz) 603e PPC with 25Mhz 040 (Overclocked to 33Mhz) 256Mb RAM
    ZIV
    CV64/3D
    3.2Gb HDD + 20GB HDD

  9. #9
    Retro Addict Administrator
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    Burger Time Champion, Sonic Champion Harrison's Avatar
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    A500's were slightly different over time. The early A500's, mostly made in Germany, had red power lights, a small C= logo and the left Amiga key had the C= logo. Later A500's has the green power light, a larger Commodore A500 logo, and the left Amiga key had the more familiar Amiga A.

    On earlier A500's the red power LED would also change brightness to indicate different things happening during operation.

    If you haven't played a classic game in years, it's never too late to start!


  10. #10
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    Quote Originally Posted by Harrison View Post
    A500's were slightly different over time. The early A500's, mostly made in Germany, had red power lights, a small C= logo and the left Amiga key had the C= logo. Later A500's has the green power light, a larger Commodore A500 logo, and the left Amiga key had the more familiar Amiga A.

    On earlier A500's the red power LED would also change brightness to indicate different things happening during operation.
    yep. my power-state LED is changing brightness on POST and guru meditation
    Before: Texas instruments TI-30S - Didaktik GAMA| Amiga A500; A600; A1200 |After: PC - GP2X - Laptop

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