Samsun LN32D405

Collapse
X
Collapse
 
  • Page of 1
  • Time
  • Show
Clear All
new posts
Previous template Next
Previous template Next

Related Topics

Collapse
  • acedogblast
    Guide to transplant MEC1503 EC chip and EEPROM reprogamming for T14s gen 2 and X13 gen 2
    by acedogblast
    This is a guide that I am writing for helping others to replace their MEC1503 EC chip if it breaks (or to get around an inconvenient prompt to the BIOS). This forum has been extremely helpful to me so I would like to contribute to help others. I will tell you right now that this task is very difficult to do. You MUST have experience and tools to do precision micro-soldering, BGA reballing, trace repair, and general laptop repair skills.

    There are some specialty tools needed to do this task. The replacement MEC1503 chips can be acquired from Aliexpress. Do not buy the bare chips as...
    11-02-2024, 05:13 PM
  • DynaxSC
    ASRock B650M PRO RS - BIOS CHIP 25Q256JW BLOCKED BY STATUS REGISTERS
    by DynaxSC
    Hi

    I have a very strange issue with the BIOS SPI chip of an ASRock B650M PRO RS motherboard.
    The SPI chip is an Winbond 25Q256JWEQ model (1V8).
    The motherbaord doas not POST - it lits only CPU and DRAM EZ Debug Leds, and stays that way forever.
    The Flashback function of the motherbaord is also not working, despite all instructions followed correctly - I'm 100% sure of this.

    I have then desoldered the chip, backupped the contents, and tried to earease the chip in order to program stock image, but the chip is locked by status registers SREG2 (TB) and SREG6...
    08-04-2025, 12:20 PM
  • Loki_Fido
    Requesting help identifying chip in Macbook Pro A2485
    by Loki_Fido
    Hi ya folks,

    I have this MacBook Pro A2485 (M1 Pro 2021) which came in for repair.

    It had a shorted SSD power supply chip. Therefore it was stuck at 5V.
    I replaced it and the SSD are fine. No more shorts.

    But The mac still pulls 5V and 200mA. If i leave it alone for 5 mins, the mac manages to receive 20V and 40mA. Of course, which doesnt mean the mac starts after power meter reading 20V.

    But while the mac is stuck at 5V, i checked the board with thermal and found this chip was trying to start. Chip picture is attached.
    Chip marking...
    08-07-2025, 10:17 PM
  • skdsp
    Need help identifying resistor values near BIOS chip on ASUS Zephyrus G14 GA402XV
    by skdsp
    Hello,

    I purchased a laptop that the previous user had tried to remove and replace a BIOS chip using a soldering iron not knowing that there is a ground pad under the 25R256JWEQ chip. In that process he damaged the BIOS chip and 3 of the resistors near the IO3, CLK, and IO0 pins. I have programmed a spare 25R256JWEQ chip using a CH341A programmer but not sure what values those resistors should be. If anyone has a boardview of this area and can provide those values that would be very useful for me.

    Attached is the photo.

    Thank you!
    1 Photo
    09-27-2025, 09:05 PM
  • SMDFlea
    Common SPI bios chip programming Questions and Answers
    by SMDFlea
    Common SPI bios chip programming Questions and Answers
    ----------------------------------------------------------

    Q: I have a bios request,i can`t post my backup as i can`t read from the chip.

    A: If you can`t read from it how do you expect to write to it ?.

    Q: Why is my bios chip unreadable ?.

    A: The programmer is faulty or has a worn or broken zif socket.

    The USB cable is frayed,connector pins worn or some other physical damage.

    Not enough amperage or voltage to power the programmer properly.

    Bad...
    09-02-2021, 04:40 PM
  • Loading...
  • No more items.
Working...