Hi all,
I obtained an Asus Prime Z270-A and I wanted to modify my motherboard to put in a i5 8600k. I modded the Bios with the tool (i think and hope correctly), took the CH341A and connected the pliers to the Bios chip… I erased the file inside the chip, but it wasn’t the corrcet chip! And i didn’t make a backup of the content. So, i need the file inside a windbond 25X05CLNIG, the chip in the photo.
Look into this thread, solution was to buy a used board, copy the content to the bricked board and it worked again.
On a z390 board this chip was the EC SPI Flash. I don’t think that the content will be identical on a Z390 and a Z270 board.
If this would work, there might be more Asus bioses where one could find this chip content in the bios- could only compare this for the linked thread regarding the Z390 board, extracted files have some few differences, but I’m curous what the thread starter will find out…
I explain it. Flash-chip 64 Kb is firmware for TPU, TurboPowerUnit. Runs before even the SecCore phase in main BIOS. The Main BIOS contains a copy of the TPU module. When we port BIOS from 370 mobo to 270 mobo main BIOS see damaged TPU flash and rewrite it. Next start mobo Impossible. And we get a brick. Can restore only with CH-341 programmer. This port did for CofeLake CPU for old mobo.