Please can you show me where this machine EEPROM is located?
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About LENOVO ThinkPad new machine NPCX897KA0BX NPCX997KAAB MEC1503 MEC1703 EEPROM read and write, someone can help me? I have RT809H and SUCCESSOR -
For Badcaps Readers, Please note that I am hopefully going to present this same message to Lenovo to see if they have any insight to the matter as well and figured to share the entirety here for clarification. The System is out of warranty as it is but does have the option to have it extended.
Model Information: T14 Gen 2 (Type 20XK, 20XL) Laptop (ThinkPad) - Type 20XK - Model 20XK0069US
Board: T14 Gen 2 (Type 20XK, 20XL) - Type 20XK.
System Hardware:
Processor: AMD Ryzen 7 PRO 5850U
Memory: 1x 16GB DDR4 3200 (Soldered on Board); 1x Crucial 32GB DDR4...09-08-2025, 10:46 PM -
I have lenovo thinkbook 15 g4 PN: LA-L931P REV:1A with TPS65994AE (bga) can't negotiate 20v contract but can turn on with a charged battery; can anyone help with a working firmware for the eeprom (U15) or guide on how to create one through TI customization tool. i have attached my original eeprom in case it could help....03-06-2025, 09:39 AM -
Hi,
I was given a laptop with a BIOS locked by a password. I read that one way to unlock it is to read the EEPROM contents, patch them, and write them back. I was using the typical CH341A programmer and clip to do this, but because the clip is so loose, after patching the dump I accidentally placed the clip on the wrong EEPROM and now the laptop won’t boot.
Can I do something to fix it? I’ve attached photos.
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Specs:- CPU=AMD Ryzen 5 3500U
- GPU=(integrated) Radeon Vega Mobile
- RAM=8GB (2x4GB, a 4GB set is soldered), DDR4; 1x4GB Ramaxel, 2400MT/s, RMSA3310MJ86H9F-3200; 1x4GB Micron, 2400 MT/s, no part number (soldered)
- Storage=512GB, NVMe SSD, hfm512gdhtni-87a0b
My issue isn't massive, but I'd like to get this solved since I'm trying to fix a friend's laptop.
A botched BIOS update by Lenovo bricked this laptop, so I used my BIOS programmer to reflash the BIOS on it and saved it from an early demise. All is good now, but the BIOS reports the S/N, MTM and UUID...
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