Can't read Winbond 25X80AVSIG on Toshiba T135D-S1324

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Can't read Winbond 25X80AVSIG on Toshiba T135D-S1324

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KingCornWallis Offline

Junior Member

08-04-2024, 06:43 PM (This post was last modified: 08-04-2024, 06:45 PM by KingCornWallis.)

I have an older Toshiba T135D-S1324 that I want to update the BIOS for. Official Dynabook site doesn't even have the BIOS v1.90 anymore, but I found it hosted on another site. So now it's time to flash (this was apparently an EMERGENCY UPDATE).
I am trying to read the Winbond 25X80AVSIG Chip with my CH341A programmer, but I can't even detect the chip. Have Tried AsProgrammer, Colibri, and a few other flavors (not FlashRom though). Have flashed 4 other laptops in the past few days...so I know how to hook things up. The chip (W25X80AV) even shows up in the software repos, so I have no idea what's wrong. Any suggestions?

Board model and chip are pictured. [Image: u6khZVq]

https://imgur.com/a/b4agERj

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