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...

Common SPI bios chip programming Questions and Answers
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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...

Long story short:
- dad converted Asus Chromebox CN62 into Windows compatible, with mrchromebox BIOS, years and years ago
- gave the computer to his son a couple years later
- son now decided to revert it to Chrome OS, to sell it as original (re-writing BIOS with the backup one created by his dad)
- too lazy to remove the board from the case, thought a voltage regulator was the BIOS chip (you know... it has 8 legs)
(seems like the story was not that short)

He used alligator clips to read the chip. No luck reading it. Removed chip and placed on a SOC-8...

Halo,
I have to identify this chip. Its coming from a Asus Tuf B360 pro Gaming.
Thank’s...

Hi, I need help to identify this chip. I already tried to google the part number but got no result.
Thank you....