Toshiba Satellite PRO (european) A50-EC stuck on dynabook logo

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  • Bartoloni
    replied
    Yep, found the issue is something related to the PD controller of the Type-C connector, i can bypass the waiting time adding a 56K resistor to the CC1 signal (to ground) .. this make the port useless (can be used as a 2.0 with an adapter i think) but the laptop is now starting correctly.
    very thank you for the BIOS, now i'm using the one provided by you.

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  • SMDFlea
    replied
    Originally posted by Bartoloni
    the original eeprom i 127mb .. the "tecra" bios was 64mb (and also the one coming from yoo) ... SMDFlea do you think i can use a 64mb eeprom?
    btw seems that right now the system is booting fast if i remove all subcards/keyboard/mouse/touchpad from teh main board (before with the original bios this is not happening)
    P.S. or... the ME region is copied from the EC to and offset after the 64mb?
    You can`t use a smaller size bios chip. I rebuilt your bios with the 7,680KB update extracted from the exe ,and cleaned the ME firmware. The bios is as good as i can make it. I can`t give you any more help,i think you have a hardware problem.

    Leave a comment:


  • Bartoloni
    replied
    the original eeprom i 127mb .. the "tecra" bios was 64mb (and also the one coming from yoo) ... SMDFlea do you think i can use a 64mb eeprom?

    btw seems that right now the system is booting fast if i remove all subcards/keyboard/mouse/touchpad from teh main board (before with the original bios this is not happening)


    P.S. or... the ME region is copied from the EC to and offset after the 64mb?
    Last edited by Bartoloni; 08-23-2024, 11:07 AM.

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  • Bartoloni
    replied
    Thank you SMDFlea, just flashed, but still on dynabook logo

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  • SMDFlea
    replied
    Originally posted by Bartoloni
    This laptop stay on Dynabook logo for hours (after this boots normally to windows)
    i have the dumped bios, and the bios that came from Toshiba Site
    these are the same version ( 2.80 )
    if any one can Rebuild a new one.. or better... has a dumped one from a working machine this can be great,
    i think i will replace the EEPROM to avoid issues with it.
    very thank you to all you guys!
    Try this bios.
    Attached Files

    Leave a comment:


  • Bartoloni
    replied
    Motherboard removed, but there are just some minimal texts... (never seen something like that)

    BTC-212
    94V-0
    E220370
    Piotek P
    2036

    FTL6SYI
    A4565A
    Last edited by Bartoloni; 08-22-2024, 09:12 AM.

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  • Bartoloni
    replied
    Originally posted by SMDFlea
    RULES UPDATE for BIOS requests/offers AVOID BANNING, READ BEFORE POSTING
    https://www.badcaps.net/forum/troubl...before-posting

    You MUST:
    • Provide the full machine model number, serial number (or Service tag, SNID) and the board model number (see https://www.badcaps.net/forum/showthread.php?t=88758 ) ,The serial number, make, full model number, motherboard model and revision (except QR codes) must be written/typed at your request as per the rules. Not as a picture, part of the file name and so on.

    Sorry SMDFlea,
    here the other data:

    Satellite Pro A50-EC-1k9
    Part NO: PT5A1E-1E5004IT
    SERIAL NO: 21070937H
    SC: A1PT5A1E11U4

    I21070937HST5A11E5004ITD (BARCODE)

    UUID: 807756C9-A46A-EB11-8145-C83231070937

    i'm requesting to owner the rights to remove the mainboard (to retrieve the model to the back side)



    P.S. the EXE file from toshiba site can be extracted using the "/extract" parameter


    Last edited by Bartoloni; 08-21-2024, 08:32 AM.

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  • SMDFlea
    replied
    RULES UPDATE for BIOS requests/offers AVOID BANNING, READ BEFORE POSTING
    https://www.badcaps.net/forum/troubl...before-posting

    You MUST:
    • Provide the full machine model number, serial number (or Service tag, SNID) and the board model number (see https://www.badcaps.net/forum/showthread.php?t=88758 ) ,The serial number, make, full model number, motherboard model and revision (except QR codes) must be written/typed at your request as per the rules. Not as a picture, part of the file name and so on.


    Leave a comment:


  • Toshiba Satellite PRO (european) A50-EC stuck on dynabook logo

    This laptop stay on Dynabook logo for hours (after this boots normally to windows)

    i have the dumped bios, and the bios that came from Toshiba Site

    these are the same version ( 2.80 )

    if any one can Rebuild a new one.. or better... has a dumped one from a working machine this can be great,

    i think i will replace the EEPROM to avoid issues with it.

    very thank you to all you guys!


    Attached Files

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