T480s (type 20L7, 20L8) BIOS (ThinkPad) ET481 NM-B471 Rev 1.0 Schematics and BIOS

Korl3one

Registered member
Nov 12, 2019
6
0
Hi, i have a lenovo t480s with bios pass, the back case is down and save that while I got the programmer. Now i go pwr on and that no power, the battery is full charge. When i try pwr on only led pwr one time and off and no never turn it on again so that it turns on again I must disconnect cmos and connect again. With the charger connected, there are times when the power LED turns on twice, sometimes once, and sometimes 3 times. Please help
 

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Korl3one

Registered member
Nov 12, 2019
6
0
Thats components is to GND is normal or not
 

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ujku

Registered member
Feb 27, 2020
1
0
Hello, I have a T480s 20L8-S3HD01, ET481 and winbond 25Q128JVSQ. Cant get that Supervisor Password away can someone help me please?
 

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  • bios1.1.bin
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