Wohlenberg MCS2/3-TV WOHA 5025330 CPU Card OFF-System Behavior

Alonex

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Dear Sirs,

I am interested to know, what massages are generated and displayed on the machine monitor, by the WOHA 5025330 CPU Card, when the system bus (ST4 connector) is disconnected of the rest of the MCS2/3-TV system/machine.

Please perform such test and provide a picture of the screen, and/or provide such information of your previous experience.

Thank you,
Oleg T.
 
Last edited:
Hi sir

What do you need to know exactly sir¿

Shalom
 
  • Dear Chock,

    Again, I need to know, what are a starting logo, and/or error messages on a properly programmed and/or non-programmed WOHA 5025330 CPU Card, when the system bus (ST4 connector) is disconnected of the rest of the MCS2/3-TV system/machine.

    That's all I need to know exactly.

    Thank you,
    Oleg T.
     
    Sir, thank you by his reply

    But i do not sure, about that, am thinking all depend from the design of Firmware.

    Blessing
     
    Dear Chock,

    Yes. all this depends of a FW design of the WOHA 5025330 CPU board, and what?
    The CPU board has a predefined behavior, in case of the keyboard and position controllers are not connected.
    What are you not sure?
    You should not be looking for an answer in a Wohlenberg documentation.
    An experiment should be performed on a such machine, in order to be sure .

    Thank you,
    Oleg T.
     
    Dear Friends,

    We recently purchased this card by accident, and tested it off-machine and off-system, with disconnected battery, and with unloaded NVRAM. The result is on the enclosed picture. The black square on the picture was not generated by the CPU card, that was done by Oleg who expressed in such way his dissatisfaction of your inactivity on our appeal to you.

    Regards,
    Alex

    20250805_225801-X.jpg
     
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