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Thread: changing Cerebro Card,into gamma card?

  1. #1

    changing Cerebro Card,into gamma card?

    Hello!

    when i compare the cerebro chip,and the gamma gold chip opiticly ,it looks exactly the same,from the free eye view i dont see any difrence,is there a software avalible,to change the bootloader,of cerebro into gamma,or is this not posible?
    thanx for your time and help!!

  2. #2

    Re: changing Cerebro Card,into gamma card?

    No that is not possible why?

    1. The Cerebro Card OS is not erasable!
    2. The GammaCard OS is not public

  3. #3

    Re: changing Cerebro Card,into gamma card?

    Yes Sir....Psycho1183,


    I,m 101 % Agree with you.

  4. #4

    Re: changing Cerebro Card,into gamma card?

    cerebro not erasable? Stick it in ur programmer and click detect card and see if its not erasable.

  5. #5
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    Re: changing Cerebro Card,into gamma card?

    psaxame tuses merers alla tipota kseri kanenas kati thenkss

  6. #6
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    Re: changing Cerebro Card,into gamma card?

    Quote Originally Posted by baz69 View Post
    cerebro not erasable? Stick it in ur programmer and click detect card and see if its not erasable.
    #

    The Keydata can be erased yes, but not the OS, and NO THESE ARE NOT MUTUALLY INCLUSIVE THINGS.

    Secondly One Smartcard is NOT THE SAME as another even Barring the OS which, may or may not be erasable. The "Chips" used in the Cerebo and the Gamma are not the same

    Try searching for
    AT90SC6464C -- Cerebo

    AT90SC7272C -- Gamma

    Needless to say...
    These are NOT the same "Chips"

  7. #7
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    Re: changing Cerebro Card,into gamma card?

    Quote Originally Posted by Ichijoe View Post
    ...
    AT90SC7272C -- Gamma
    ...
    Hello,

    Waouhhh... An Atmel card...

    Have you looked recently to the Gamma source code which has been released publicly several months ago ? More precisely to all the comments within the source code. For instance :
    Code:
    Extract of Startup.c:
    -----------------------
    /*
     *  startup.c - Startup code for Motorola MCore
     *
     *  Copyright  2000 Metrowerks, Inc.  All Rights Reserved.
     *
     */
    
    Extract of Linker.lcf:
    ----------------------
    #
    #   linker.lcf  -   linker command file for Motorola MCore 2107 series
    #
    And does the following assembly code look like Atmel code to you ?
    Code:
    ...
    ROM:00004574               S U B R O U T I N E 
    ROM:00004574
    ROM:00004574
    ROM:00004574             vSendByte:
    ROM:00004574
    ROM:00004574
    ROM:00004574             _r13            = -0x10
    ROM:00004574             _r14            = -0xC
    ROM:00004574             _r15            = -8
    ROM:00004574
    ROM:00004574 24 F0                       subi    sp, 0x10
    ROM:00004576 00 7D                       stm     r13 - r15, (sp)
    ROM:00004578 12 2E                       mov     r14, r2
    ROM:0000457A 72 1E                       lrw     r2, 0x8002D4
    ROM:0000457C A3 02                       ld.b    r3, (r2, 0)
    ROM:0000457E 01 53                       sextb   r3
    ROM:00004580 12 E2                       mov     r2, r14
    ROM:00004582 01 52                       sextb   r2
    ROM:00004584 17 23                       xor     r3, r2
    ...
    No, I'm afraid these cards are definitively using Motorola MCore processors.

  8. #8
    Senior Member moi's Avatar
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    Re: changing Cerebro Card,into gamma card?

    The GammaCard is not public & not the same chipset it's for high security....sorry it impossible otherwise you will burn it for ever

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