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

T480s (type 20L7, 20L8) Laptop (ThinkPad)
ET481 NM-B471 Rev 1.0

T480S NM-B471R10-SILK-BOT.pdf
T480S NM-B471R10-SILK-TOP.pdf
Schematics ThinkPad T480S LCFC NM-B471
BIOS n22uj09w
ME 11.8.50.3460
Intel Management Engine 11.8 Firmware for Windows 10 (64-bit) - ThinkPad T480 (Machine types: 20L5, 20L6), T480s (Machine types: 20L7, 20L8), X1 Carbon (Machine types: 20KH, 20KG, 20KH, 20KG)

 

[ThienBui]

Ok, thanks! Do you have some documentation so I can progam it myself? If not, what are the other possibilities?

https://vinafix.com/resources/smsc-mec16xx-collection-dump-and-connect.1275/

 

[5umi]

Ok, so can I do it with this pack? Does this work for my T480s?

 

[ThienBui]

Ok, so can I do it with this pack? Does this work for my T480s?

You must also see your technique, I only provide a solution, can not check directly. We have tested many models

 

[5umi]

Ok! Will search for technique documentation, than come back for the pack to do it. Thanks!

 

[Korl3one]

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

 

[ThienBui]

Try a new bios results like?

 

[Korl3one]

I try new bios, but same problem.

 

[ThienBui]

you nê

I try new bios, but same problem.

you check hardware

 

[Korl3one]

What area can I check initially?

 

[ThienBui]

What area can I check initially?

i think all, Previous GPU if available

 

[Korl3one]

Thats components is to GND is normal or not

 

[ThienBui]

Thats components is to GND is normal or not

normal, The CPU gives very low impedance, if it is not hot then normal.

 

[Korl3one]

thats not hot, normal temperature.

 

[Korl3one]

When power on led pwr on and off but fan on and off permanent

 

[nslaptop]

sir bios password plz unpassword me plz help me

 

[ThienBui]

sir bios password plz unpassword me plz help me

model this unlock need buy key 25$

Pay MONG THI TRUNG NHI using PayPal.Me

Go to paypal.me/vinafixit and type in the amount. Since it’s PayPal, it's easy and secure. Don’t have a PayPal account? No worries.

www.paypal.me

 

[ujku]

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

 

[ThienBui]

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

all lenovo unlock need buy more key 22$

Pay MONG THI TRUNG NHI using PayPal.Me

Go to paypal.me/vinafixit and type in the amount. Since it’s PayPal, it's easy and secure. Don’t have a PayPal account? No worries.

www.paypal.me

 

[Drj nkh]

bois khong len hinh , giup e voi a thienbui

omkpopopopo

 

[ThienBui]

omkpopopopo

what ?